Using a water quality meter, the highest priority is always accuracy. Whether you’re measuring calcium or magnesium ion in water, the accuracy has to be on-point.

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GAOTek Portable pH Meter

SKU: GAOTEK-PHM-153
GAOTek  portable ph meter is a perfect combination of advanced electronic technology, sensor technology, and software design.
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GAOTek Swimming Pool Water Quality Tester

SKU: GAOTek-WQT-118
GAOTek water analysis online PH/EC/DO/Ion/NH3/Chlorine/TSS/Turbidity Meter with Sensor Electrode for Swimming Pool Water Quality Tester is optional water quality routine detection parameter sensor, including temperature/PH/conductivity/dissolved oxygen/turbidity/BOD/nitrate/colour/chloride / depth etc., achieve simultaneous monitoring function.
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GAOTek 3 in 1 Water Quality pH Meter

SKU: GAOTek-PHM-120
GAOTek’s 3 in 1 Water Quality pH Meter is a comprehensive device that allows users to test the quality of drinkable water.
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GAOTek Activity Water Quality Tester

SKU: GAOTek-WQT-187
GAOTek Activity Water Quality Tester mainly reflects the amount of free water in the state of food balance, the stability of food and the possibility of microbial reproduction, and the chemical, enzyme and physical changes that can cause the change of food quality.
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GAOTek Affordable Fuel Oil Conductivity Tester

SKU: GAOTek-CT-160
GAOTek Affordable Fuel Oil Conductivity Tester is based on the analysis of insulation permeability and electromagnetic induction charge characteristics for octane number of gasoline and cetane number of diesels.
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GAOTek Agricultural ph Meter

SKU: GAOTek-PHM-171
This Agricultural Ph Meter has a temperature range of 41 °F to 113 °F, a pH range of 3.0 pH to 14.0 pH, and a rechargeable battery.
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GAOTek Agricultural ph Meter

This Agricultural Ph Meter has a temperature range of 41 °F to 113 °F, a pH range of 3.0 pH to 14.0 pH, and a rechargeable battery.
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GAOTek Aquaponic Water Quality Tester

SKU: GAOTek-WQT-186
This Aquaponic Water Quality Tester has temperature range of 60.0 °C to 140 °F, salinity range of sea water of 0 ppt to 42 ppt and salinity accuracy of 1% FS 1 digit.
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GAOTek Aquaponic Water Quality Tester

This Aquaponic Water Quality Tester has temperature range of 60.0 °C to 140 °F, salinity range of sea water of 0 ppt to 42 ppt and salinity accuracy of 1% FS 1 digit.
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GAOTek Automatic Calibration pH Meter

SKU: GAOTek-PHM-174
This Automatic Calibration pH Meter has a temperature range of 23 ºF to 230 ºF, a pH range of -2.00 pH to 20.00 pH and an AC adapter.
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GAOTek Automatic Calibration pH Meter

This Automatic Calibration pH Meter has a temperature range of 23 ºF to 230 ºF, a pH range of -2.00 pH to 20.00 pH and an AC adapter.
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GAOTek Automatic Conductivity Tester

SKU: GAOTek-CT-172
GAOTek Automatic Conductivity Tester can test PH, Conductivity (Salinity), DO, Temperature.
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GAOTek Automatic Conductivity Tester

SKU: GAOTek-CT-191
This automatic conductivity tester has a pH range of 0.00 pH to 14.00 pH, accuracy of ± 0.01 pH and resolution of 0.01 ph.
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GAOTek Automatic Portable Water Conductivity Meter

SKU: GAOTeK-CDT-107
GAOTek automatic portable water conductivity meter portable meter features a 3.5 in (88.9 mm) LCD screen and automatic/manual temperature compensation for accurate results.
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GAOTek Battery Cell Conductance Tester

SKU: GAOTek-CT-137
GAOTek Battery Cell Conductance Tester is a key component of the power system, batteries must be tested and maintained annually, quarterly or even monthly and their test data needs to be analyzed on a regular basis.
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GAOTek Battery Conductance Tester

SKU: GAOTek-CT-112
GAOTek Battery conductance Tester is a digital storage multifunctional portable tester for fast and accurate measurement of battery operating state parameters.
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GAOTek Battery Conductivity Tester

SKU: GAOTeK-CT-184
This Battery Conductivity has a measuring range of 0 mm Ω to 9990 mm Ω, voltage of 0 V to 25 V operates on a resistance of 1 mm Ω, and weights 2.42 lb
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GAOTek Bench Top Conductivity Tester

SKU: GAOTek-CT-120
GAOTek Benchtop Conductivity Tester is a top-of-the-line device specifically engineered for precise and reliable measurement of conductivity.
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GAOTek Benchtop Conductivity Water Quality Tester

SKU: GAOTek-WQT-137
GAOTek Benchtop Conductivity Water Quality Tester is a High-performance benchtop Conductivity/TDS meter, 1 point to 3 points calibration, selectable TDS conversion factor, setup menu contains 7 optional parameters.
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GAOTek Benchtop Conductivity Water Quality Tester

SKU: GAOTek-WQT-127
Overview GAOTek Benchtop Conductivity Water Quality Tester is a High-performance benchtop Conductivity/TDS meter, 1 point to 3 points calibration, selectable
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GAOTek Benchtop pH Meter

SKU: GAOTek-PHM-149
This Benchtop pH Meter has a pH ranging from -1.00 pH to 15.00 pH, a temperature compensation range of 32 °F to 212 °F, and an LCD.
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GAOTek Biological Oxygen Water Quality Tester

SKU: GAOTek-WQT-129
GAOTek Biological Oxygen Water Quality Tester is a pressure difference method for high accuracy; concentration displayed digitally and pictorially, with daily auto-printing; eliminates mercury testing, ensuring labor safety; capable of testing 6 samples simultaneously.
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GAOTek Biological Oxygen Water Quality Tester

SKU: GAOTek-WQT-119
GAOTek Biological Oxygen Water Quality Tester is a pressure difference method for high accuracy; concentration displayed digitally and pictorially, with daily auto-printing; eliminates mercury testing, ensuring labor safety; capable of testing 6 samples simultaneously.
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GAOTek Blue with White Ozone Dissolved PH Tester

SKU: GAOTEK-PHM-158
This ozone-dissolved pH tester has a dual CL/O3 range of 0 to 20mg/L, a temperature of 32 to 140 °F, an LCD, a reliable 32-bit processor, and is IP65
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GAOTek Calcium Hydroxide Electrode PH Meter

SKU: GAOTek-PHM-167
This Hydroxide Electrode PH Meter has temperature range of 32 °F to 212 °F, pH range of 0 pH to 14 pH, and orp sensor.
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GAOTek Cheese & Milk PH Meter

SKU: GAOTek-PHM-119
GAOTek Cheese & Milk PH Meter is a specialized device for accurately measuring the acidity levels in cheese and milk products.
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GAOTek Chemical Water Quality Analyzer

SKU: GAOTek-WQT-209
GAOTek Chemical Water Quality Analyzer is a device used to measure the concentration of oxygen in a gas mixture.
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GAOTek Chlorine Analyzer Probe in Water Meter

SKU: GAOTek-WQT-140
GAOTek Chlorine Analyzer Probe in Water Meter takes online disinfection monitoring to a new level of reliability by offering industry-leading performance, reduced pH dependency, and no requirement for zero calibration.
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GAOTek Chlorine Portable Water Quality Tester

SKU: GAOTek-WQT-131
This Chlorine Portable Water Quality Tester has a temperature range of 32 °F to 140 °F, a pH range of 0 pH to 14.00 pH, and a current of 0.5 A.
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GAOTek Chlorine Portable Water Quality Tester

SKU: GAOTek-WQT-121
This Chlorine Portable Water Quality Tester has a temperature range of 32 °F to 140 °F, a pH range of 0 pH to 14.00 pH, and a current of 0.5 A.
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GAOTek Chlorine Water Quality Tester

SKU: GAOTek-WQT-189
This Chlorine Water Quality Tester has temperature range of 32 °F to 140 °F, charging port of type-C, waterproof level of IP 65, resolution of 2 mg/L, and screen of LCD.
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GAOTek Chlorine Water Quality Tester

SKU: GAOTek-WQT-208
Overview GAOTek Chlorine Water Quality Tester takes online disinfection monitoring to a new level of reliability by offering industry-leading performance,
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GAOTek Cloth Conductivity Tester

SKU: GAOTeK-CT-182
This Cloth Conductivity Tester has temperature range of 0 oF to 104 oF, a measuring range of 200 u Ohm to 200 k Ohm, and 0.5% accuracy class.
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GAOTek Comprehensive Battery Conductivity Tester 

SKU: GAOTek-CT-136
GAOTek Comprehensive Battery Conductivity Tester adopts a color resistance touch screen, and the instrument operation is flexible and convenient through finger or stylus touch; It is a digital storage multifunctional portable tester that can quickly and accurately measure the operating status parameters of batteries.
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GAOTek Conductive Four-Probe Tester

SKU: GAOTek-SCT-103
GAOTek Conductive Four-Probe Tester is a versatile and budget-friendly measuring instrument designed to determine the material resistivity or square resistance of various substances.
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GAOTek Conductivity and Resistivity Tester

SKU: GAOTek-CRT-102
GAOTek Conductivity and Resistivity Tester is the first-generation of digital conductivity meter designed with eddy phase.
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GAOTek Conductivity Electrode for Lab Tester

SKU: GAOTek-CLT-109
This Conductivity Electrode for Lab Tester has temperature range of 32 °F to 212 °F, salinity range of 0 O ppt to 1 O ppt and 3M.5 V” AA” batteries.
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GAOTek Conductivity Electrode Tester

SKU: GAOTek-CET-103
GAOTek Conductivity Electrode Tester is for water quality professionals who want to perform electrochemical analysis for field and lab environments.
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GAOTek Conductivity Meter With Salinity And TDS Tester

SKU: GAOTek-MST-107
GAOTek Conductivity Meter with Salinity and TDS Tester is a new model of desktop water quality analyzer.
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GAOTek Conductivity PH TDS Tester Kit

SKU: GAOTek-CT-150
This Conductivity pH TDS Tester Kit has temperature range of 32 °F to 212 °F, measuring range of 0.00 pH to 14.00 pH and 120 V power supply.
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GAOTek Conductivity Tester

SKU: GAOTek-CT-135
GAOtek conductivity testers are designed for quick & convenient measurement of material property, such as material separate, quality control, material state check and so on.
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GAOTek Conductivity Tester

SKU: GAOTek-CT-193
This conductivity tester has Cond range of 0.00 μS/cm to 100 mS/cm, TDS range of 0 g/L to 100 g/L and temperature range of 23 °F to 230 °F.
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GAOTek Conductivity Tester For Laboratory

SKU: GAOTek-CT-161
This Conductivity Tester for Laboratory has 3temperature range of 2 °F to 122 °F, 7-inch capacitive touch screen and 12 V power supply.
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GAOTek Conductivity Water Quality Tester

SKU: GAOTek-WQT-171
GAOTek Conductivity Water Quality Tester have the leading technology performance, can totally instead of the similar products overseas.
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GAOTek Conductivity Water Quality Tester

SKU: GAOTek-CT-115
GAOTek water Conductivity Tester is a cutting-edge device that enables continuous and precise monitoring of conductivity levels.
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GAOTek Copper Al Conductivity Tester

SKU: GAOTek-CT-196
GAOTek Copper Al Conductivity Tester is the first generation of Digital Conductivity Meter designed with eddy phase.
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GAOTek Copper Conductivity Tester

SKU: GAOTeK-CT-181
This Copper Conductivity Tester has a temperature range of 32 oF to 122 oF, work frequency of 60 KHz and 2200 mA/h lithium-ion battery.
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GAOTek Current Copper Conductivity Meter

SKU: GAOTek-CT-190
GAOTek crack depth gauge tester is based on the principle of acoustic diffraction to measure the crack depth of concrete surface.
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GAOTek Current Transformer Water Quality Tester

SKU: GAOTek-WQT-204
This Current Transformer Water Quality Tester has temperature range of 14 °F to 122 °F, current range of 0.001 A to 5 A, data storage less than 1000 groups, and working humidity less than 90%.
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GAOTek Desktop Type Benchtop Meter Handheld Digital Ion Meter

SKU: GAOTek-INM-110
Features Automatic or manual temperature compensation (pH) Automatic buffer recognition of US and NIST buffer sets (pH) Dedicated push buttons
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GAOTek Digital Conduction Megohmmeter

SKU: GAOTek-SCT-105
This Conduction Megohmmeter has conduction current of 200 mA, AC voltage range of 0 V to 600 V AC, and buzzer warning for live line detection.
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GAOTek Digital Conductivity Meter

SKU: GAOTek-CT-104
GAOTek Digital Conductivity Meter is a versatile and reliable instrument designed for precise measurements of conductivity, TDS, salinity, and temperature
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GAOTek Digital Conductivity Tester

SKU: GAOTek-CT-114
GAOTek Digital Conductivity tester is a cutting-edge device that enables continuous and precise monitoring of conductivity levels.
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GAOTek Digital Conductivity Tester

SKU: GAOTek-CT-171
GAOTek Digital Conductivity Tester is designed with an eddy detection method.
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GAOTek Digital Current Conductivity Tester

SKU: GAOTek-DCT-101
This Digital Current Conductivity Tester has temperature range of 32 °F to 104 °F, 3.7 V mAh lithium-ion battery, 60 KHz Sine Wave and RS 232 Serial Port. 
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GAOTek Digital Display Conductivity Tester

SKU: GAOTek-CT-151
This Digital Display Conductivity Tester has a temperature range of 41 °F to 113.0 °F, temperature resolution of 0.18 °F and resolution of 0.1 ppt.
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GAOTek Digital Display High Conductivity Tester

SKU: GAOTek-CT-146
GAOTek Digital Display High Conductivity Tester is an online water quality monitoring instrument with a microprocessor.
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GAOTek Digital Handheld Water Ammonia Water Quality Tester

SKU: GAOTek-WQT-154
GAOTek Digital Handheld Water Ammonia Water Quality Tester, it’s the device that measures the value of ammonia in liquid, which had been widely used in water quality testing applications.
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GAOTek Digital LCD Meter

SKU: GAOTek-SCT-107
This Digital LCD Meter has temperature range of 41 °F to 95 °F, pH range of -1.99 pH to 19.99 pH, and 300 sets data storage.
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GAOTeK Digital Multi-Meter Tester

SKU: GAOTeK-CDT-108
GAOTek Digital Multi-meter can simultaneously measure pH, Conductivity, TDS Salinity, and temperature without switching the probe.
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GAOTek Digital Multi-Parameter Water Quality Analyzer

SKU: GAOTek-WQT-167
GAOTek Digital Multi-Parameter Water Quality Analyzer represents a significant advancement in water testing instruments.
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GAOTek Digital Multifunctional PH Conductivity Meter

SKU: GAOTek-CDT-102
This digital pH conductivity meter detects H2O with a temperature range of 32 oF to 100 oF, a pH range of -2 pH to 19.99 pH, and 2V batteries
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GAOTek Digital Non-Ferrous Metal Conductivity Tester

SKU: GAOTek-DNM-105
GAOTek Digital Non-Ferrous Metal Conductivity Tester, is designed for quick & convenient measurement of material property, such as material separate, quality control, and material state check and so on.
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GAOTek Digital Online Salinity Tester

SKU: GAOTek-OENVT-107
This Digital Online Salinity Tester has a measurement range of 0 to 80 ppt, a temperature range of 0 °F to 122 °F, and an IP68 protection.
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GAOTek Digital PH And Acidity Meter With Soil PH Detection

SKU: GAOTek-PHM-113
GAOTek’s Digital PH and Acidity Meter with Soil PH Detection is a versatile device designed for accurate pH measurement, specifically for soil pH detection.
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GAOTek Digital pH and Ion Conductivity Tester

SKU: GAOTek-PIT-107
GAOTek Digital pH and Ion Conductivity Tester ‘S’ series testers are equipped with a standard pH electrode (Circular glass bulb) used to measure the pH of non-viscous, non-high temperature liquids, e.g., tap water, drinking water, rainwater, etc.
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GAOTek Digital PH and Lon Conductivity Tester

SKU: GAOTek-PIT-178
GAOTek Digital pH and Ion Conductivity Tester is equipped with a standard pH electrode (Circular glass bulb) used to measure the pH of non-viscous, non-high temperature liquids, e.g., tap water, drinking water, rainwater, etc.
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GAOTek Digital pH Conductivity Tester

SKU: GAOTek-CT-178
GAOTek Digital pH Conductivity Tester is designed with an eddy detection method.
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GAOTek Digital PH Meter

SKU: GAOTek-CDT-103
This GAOTeK Digital pH Meter has pH range of -2.00 pH to 16.00 pH, 50 data set reviewable memory and 9 V battery.
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GAOTek Digital pH Meter (Touch Screen)

SKU: GAOTek-PHM-101
GAOTEK pH digital conductivity meter is a portable and accurate instrument used for measuring the electrical conductivity of liquids.
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GAOTek Digital PH Sensor

SKU: AOTek-PHM-288
This Digital pH sensor has a pH range 0 pH to 14 pH, processing pressure range of 15 PSI to 246 PSI and temperature compensation range of 32 °F to 275 °F.
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GAOTek Digital pH Water Quality Tester

SKU: GAOTek-WQT-185
GAOTek Digital pH Water Quality Tester is an effective portable pH, suited for industrial and mining factories, power plants, water treatment projects, environmental protection industry, etc., especially suited in field and on-site.
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GAOTek Digital Portable Conductivity Tester

SKU: GAOTek-CT-138
GAOTek Digital Portable Conductivity Tester is a kind of eddy current electrical conductivity tester, which is designed for quick & convenient measurement of material property, such as material separate, quality control, material state check and so on.
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GAOTek Digital Portable PH Conductivity Tester

SKU: GAOTek-CT-173
GAOTek Digital Portable pH Conductivity Tester is designed with an eddy detection method.
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GAOTek Digital Portable pH/ORP Meter

SKU: GAOTEK-PHM-157
GAOTek portable pH meter is widely used in pH measurement in environmental protection, education, scientific research, the pharmaceutical and chemical industries, the water industry, food safety inspection, and other fields.
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GAOTek Digital Portable Type Water Quality Ph Meter Sensor

SKU: GAOTek-PHM-143
This Digital Portable Type Water Quality Ph Meter Sensor has a pH ranging from -2 pH to 20.000 pH, and a temperature range of 23 °F to 266 °F.
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GAOTek Digital REDOX Potential Water Quality Tester

SKU: GAOTek-WQT-132
This Potential Water Quality Tester has its measuring range of -2000 mV to 2000mV, a temperature range of 32 °F to 140 °F, and a resolution of 0.1 mV.
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GAOTek Digital REDOX Potential Water Quality Tester

SKU: GAOTek-WQT- 122
This Potential Water Quality Tester has its measuring range of -2000 mV to 2000mV, a temperature range of 32 °F to 140 °F, and a resolution of 0.1 mV.
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GAOTek Digital TDS Meter – Portable Water Quality Tester

SKU: GAOTek-CDT-104
GAOTek Digital TDS Meter – Portable Water Quality Tester is an anti-slip rubber fit built li-ion battery it is automatic and manual calibration
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GAOTek Digital Tester Conductivity Meter

SKU: GAOTek-CT-195
This conductivity tester has a pH range of 0.00 pH to 14.00 pH, pH accuracy of ± 0.05 pH and resolution of 0.01 pH.
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GAOTek Digital Water Conductivity Tester

SKU: GAOTek-CT-1
This Digital Water Conductivity Tester has a conductivity range of 0 cm to 199.9 cm, TDS range of 0 L to 100 L and handles various electrodes.
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GAOTek Digital Water Milk Products Water Quality Tester

SKU: GAOTek-WQT-133
GAOTek Digital Water Milk Products Water Quality Tester is a microcomputer type on-line measurement and control device for ozone in water.
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GAOTek Digital Water Milk Products Water Quality Tester

SKU: GAOTek-WQT-123
GAOTek Digital Water Milk Products Water Quality Tester is a microcomputer type on-line measurement and control device for ozone in water.
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GAOTek Digital Water Quality Tester

SKU: GAOTek-WQT-111
GAOTek digital water quality tester utilizes a photoelectric colorimetric method and features a self-developed filtration system.
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GAOTek Digital Water Salinity CDT Probe

SKU: GAOTeK-CDT-109
This Digital Water Salinity CDT Probe has temperature range of 32 oF to 140 oF, low power consumption and 12 V power supply.
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GAOTek Dissolve Oxygen Measurement with Water Quality Tester

SKU: GAOTek-WQT-146
GAOTek Dissolve Oxygen DO Measurement Water Quality Tester is series of special fluorescent dissolved oxygen sensors for aquaculture are specially designed for the aquaculture market
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GAOTek Dissolved Oxygen pH DO Meter

SKU: GAOTek-PHM-166
This Oxygen pH DO Meter has temperature range of 32 °F to 212 °F, response time less than 30 s and 12V AAA battery.
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GAOTek Dissolved Oxygen ph Meter

SKU: GAOTek-PHM-173
GAOTek The handheld device can be used for monitoring of dissolved oxygen, temperature, and PH in water, and can meet the requirements of portable accurate water quality measurement.
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GAOTek Dissolved Oxygen ph Meter

GAOTek The handheld device can be used for monitoring of dissolved oxygen, temperature, and PH in water, and can meet the requirements of portable accurate water quality measurement.
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GAOTek Dissolved Oxygen Sensor with Water Quality Tester

SKU: GAOTek-WQT-145
GAOTek Dissolved Oxygen Sensor with Water Quality Tester is special fluorescent dissolved oxygen sensors for aquaculture are specially designed for the aquaculture market.
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GAOTek Dissolved Oxygen Water Quality Tester

SKU: GAOTek-WQT-184
This Dissolved Oxygen Water Quality Tester has pH range of 2 pH to 12 pH, pH accuracy of ±0.1 pH and pH Resolution of 0.1
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GAOTek Dissolved Ozone Meter For Disinfect Water Quality Tester

SKU: GAOTek-WQT-155
This product full name has temperature range of 32 °F to 212 °F, accurate pH and 1.5 V AAA7 battery.
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GAOTek EC Conductivity Tester

SKU: GAOTek-CT-174
This EC Conductivity Tester has temperature range of 32°F to 122 °F, resolution range of 0.01 µS/cm,0.1 µS/cm and 300 mA power supply.
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GAOTek Economic Mini Size Conductivity Tds Salinity Orp Do Turbidity Meter Cod Digital Three Points Calibration Ph Tester Sensor

SKU: GAOTek-CT-124
Feature ● All intelligent ● With digital and two analog isolation output ● Easy to maintain ● Waterproof and dust
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GAOTek Eddy Conductivity Tester

SKU: GAOTek-CT-139
Overview GAOTek Eddy Conductivity Tester is designed with an eddy detection method. These products may be used for distinguishing, grading
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GAOTek Eddy Current Conductivity Meter

SKU: GAOTek-ECT-102
GAOTek Eddy Current Conductivity Meter is a professional device used to precisely measure the thermal performance, conductivity, and purity of the material. This conductivity meter uses 60 kHz to inspirit, matching the aviation industry standards, with dually interpreted data in %IACS or MS/m units.
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GAOTek Eddy Current Conductivity Tester

SKU: GAOTek-OENVT-101
GAOTek eddy conductivity meter is the upgrading product which have the leading technology performance, can totally instead of the similar products overseas.
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GAOTek Eddy Current Conductivity Tester

SKU: GAOTeK-CT-185
This Eddy Current Conductivity Tester has automatic Temperature of 68 oF, compensation range of 0 in to 0.019 in, and accuracy of ±0.1% to ±0.5%
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GAOTek Eddy Current Copper Conductivity Meter

SKU: GAOTek-CT-121
GAOTek Eddy Current Copper Conductivity Tester Meter is a convenient and quick tool for measuring material properties like separation, quality control, and state checks. It uses the electromagnetism testing principle and is designed for non-ferromagnetic materials.
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GAOTek Electric Conductivity Tester

SKU: GAOTek-CT-113
GAOTek PUSH Electric Conductivity Tester is a versatile and reliable device for measuring electrical conductivity in various applications.
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GAOTek Electrical Conductivity Probe Tester

SKU: GAOTek-CT-111
GAOTek Electrical Conductivity Probe Tester is a compact and user-friendly device designed for accurate and efficient measurement of electrical conductivity.
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GAOTek Electrical Resistivity And Conductivity Tester

SKU: GAOTek-CT-157
This electrical resistivity and conductivity tester has temperature range of 23.0 °F to 248.0 °F, powered range of 100 V AC to 240 V AC, and 100 sets of data storage function.
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GAOTek Electronic Lab Medical Use PH Orp Ion Meter

SKU: GAOTek-INM-107
Features Automatic temperature compensation ensures accurate readings over the entire range Auto-Read function senses and locks the measurement endpoint Timed
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GAOTek Fluoride COD Portable Water Quality Tester

SKU: GAOTek-WQT-117
GAOTek Fluoride COD Portable water quality Tester adopts photoelectric colorimetric method, has self-developed filtration system, good optical stability, strong anti-interference ability, simple operation, and can quickly and accurately measure various types of surface water, groundwater, urban sewage and industrial wastewater.
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GAOTek Food Processing pH Meter

SKU: GAOTek-PHM-117
GAOTek’s Food Processing pH Meter is a versatile device used for measuring pH levels in food processing. With its portable design, it offers convenience and accuracy in determining the acidity or alkalinity of different food products.
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GAOTek Fuels Oil Conductivity Tester

SKU: GAOTek-CT-144
This Fuels Oil Conductivity Tester has a temperature range of 32 °F to 104 °F, conductivity range of 0 pS/m to 19999 pS/m and resolution of 1 pS/m.
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GAOTek Ground Conduction Continuity Tester

SKU: GAOTek-SCT-104
GAOTek Ground Conduction Continuity Tester provides that the electrical conductivity should use special instruments to measure.
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GAOTeK Ground Lead Conductivity Tester

SKU: GAOTeK-CT-188
This Ground Lead Conductivity Tester has a measuring range of 39.37 in Ω to 78700.78 in Ω, relative humidity of ≤80%, and power AC 220 V±10%,50 Hz.
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GAOTek Ground Resistance Tester

SKU: GAOTeK-CDT-110
This Ground Resistance Tester has temperature range of   -4 oF to 131 oF, humidity range of 10% RH-90% RH and LR6 alkaline batteries.
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GAOTek Grounding Grid Tester

SKU: GAOTek-SCT-108
GAOTek Grounding Grid Tester instrument is primarily designed for conducting measurements related to electrical resistance in a variety of applications.
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GAOTek Hand-Held Insulation and Conductivity Tester

SKU: GAOTek-HHC-104
GAOTek Hand-Held Insulation and Conductivity Tester is Designed for motor and cable testing, specialist applications and electrical testing applications, where operation voltages exceed 1000 V and higher insulation test voltage needed.
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GAOTek Handheld Conductivity Tester

SKU: GAOTek-CT-508
GAOTek Water Quality Conductivity Tester is a reliable and user-friendly instrument designed for measuring the electrical conductivity of water samples.
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GAOTek Handheld Digital pH Meter

SKU: GAOTek-PHM-172
This Handheld Digital pH meter has a temperature range of 14 °F to 104 °F, a frequency range of 40 Hz and a 9.6 V rechargeable battery.
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GAOTek Handheld Digital pH Meter

This Handheld Digital pH meter has a temperature range of 14 °F to 104 °F, a frequency range of 40 Hz and a 9.6 V rechargeable battery.
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GAOTek Handheld Digital Water PH Meter

SKU: GAOTek-PHM-111
GAOTek Handheld Digital Water pH Meter with Temperature Meter, it is a versatile and accurate portable device designed to measure pH and ORP (Oxygen Reduction Potential) levels as well as temperature in water.
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GAOTek Handheld Insulation Conductivity Tester

SKU: GAOTek-CT-149
This Handheld Insulation Conductivity Tester has frequency of 45 kHz to 1 kHz, capacitance of 100 pF to 500 μF and power by 1.5 V battery.
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GAOTek Handheld LCD Display Conductivity Tester

SKU: GAOTek-CT-158
GAOTek Handheld LCD Display Conductivity Tester adopts a large LCD display that displays values in real-time.
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GAOTek Handheld LCD Display Conductivity Tester

SKU: GAOTek-CT-179
GAOTek Handheld LCD Display Conductivity Tester adopts a large LCD display that displays values in real-time. Up to 4 water quality sensors can be connected to measure various elements.
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GAOTek Handheld Partial Discharge Tester

SKU: GAOTek-OENVT-112
This handheld discharge tester has a built-in 12V lithium battery, a temperature range of 14–185 °F, and a built-in ultrasonic and TEV sensor.
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GAOTek Handheld PH Conductivity Tester

SKU: GAOTek-CT-142
This Handheld PH Conductivity Tester has a temperature range of 32 °F to 122 °F, power supply of 12 v, and protection grade of IP68.
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GAOTek Handheld pH Meter

SKU: GAOTek-PHM-135
GAOTek handheld pH meter adopts a large LCD display that displays values in real-time. Up to 4 water quality sensors can be connected to measure various elements.
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GAOTek Handheld pH meter with multi-reading feature

SKU: GAOTek-PHM-110
GAOTek Handheld pH Meter is a portable pH meter designed for laboratory use.
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GAOTek Handheld PH Meters

SKU: GAOTek-PHM-286
GAOTek PH meter, also been called as Digital PH meter or PH Tester, is the device that do PH measurement for liquid.
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GAOTek Handheld Water Multimeter PH

SKU: GAOTek-PHM-283
GAOTek handheld multimeter pH measures six key water treatment parameters simultaneously: pH, conductivity, PTSA, Free Chlorine, ORP, and Temperature.
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GAOTek Hardness Testers Automatic Turret Digital

SKU: GAOTek-HDT-106
GAOTek Hardness Testers features hardness testing equipment designed based on the Vickers hardness testing method, which involves using a diamond indent to create an impression on the material surface.
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GAOTek High Accuracy pH Meter

SKU: GAOTek-PHM-138
This High Accuracy pH Meter has the dissolved oxygen range of 0.00-2000 mg/L (or ppm), an auto-temperature compensation range of 32 °F to 104 °F.
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GAOTek High Accuracy PH Meters Portable

SKU: GAOTek-PHM-112
GAOTek’s High Accuracy PH Meters Portable is a versatile and reliable pH measurement instrument that excels in water quality monitoring.
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GAOTek High Precision Conductivity Tester

SKU: GAOTek-CT-107
GAOTek High Precision conductivity tester is our company’s professional development, can quickly measure multiple agricultural environment parameters.
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GAOTeK High Precision Digital Meter

SKU: GAOTeK-CDT-101
This High Precision Digital Meter temperature range 32 oF to 212 oF, ORP range of -1000 mV to +1000 mV and 1.5V AAA battery
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GAOTek High Precision Digital ORP Meter

SKU: GAOTek-PHM-165
This Tester PH meter has temperature range of 32 ºF to 212 ºF, resolution range of 0.0 ppm to 20.00 ppt and 1.5 V AAA battery.
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GAOTek High Precision Laboratory Desktop pH Meter

SKU: GAOTek-PHM-145
This Laboratory Desktop pH Meter has a pH ranging from 0.00 pH to 14.00 pH, a temperature range of 32.0 °F to 212.0 °F, and a 1.11 lb (504 g) weight.
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GAOTek High Precision Multi Parameter Water Quality Analyzer

SKU: GAOTek-WQT-165
GAOTek High Precision Multi Parameter Water Quality Analyzer, including 8 measurement functions, 15 function parameters can be customized in the setting menu, and the instrument is applicable to laboratory measurement of sample pH, ORP, ion concentration, conductivity, TDS, salinity, resistivity, dissolved oxygen concentration and saturation. 
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GAOTek High Precision pH Conductivity Tester

SKU: GAOTek-HPC-106
This High Precision pH Conductivity Tester has temperature range of 32 °F to 212 °F, conductivity range of 0 mS/cm to 200.0 mS/cm and universal electrode holder.
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GAOTek High Precision pH Meters

SKU: GAOTek-PHM-188
This High Precision pH Meters has temperature range of 23 °F to 221 °F, pH range of -2 pH to 19.999 pH and 5 V lithium batteries.
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GAOTek High Precision Portable Negative Ion Meter

SKU: GAOTek-INM-106
GAOTek High Precision Portable Negative Ion Meter can test the products of different traits including solids, liquids and powders.
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GAOTek High Resolution Portable Water Test Ion Nitrate Meter Tester

SKU: GAOTek-INM-105
Features High resolution LCD display, 5.7 in (259 mm) Multi-reading feature allows auto reading, timed-read and continuous-read Automatic/Manual temperature compensation
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GAOTek Hydroponic Dosing system ph. tds ec Meter Water Quality Conductivity Tester

SKU: GAOTek-CT-123
GAOTek hydroponic dosing system ph tds ec meter water quality is developed on the basis of guaranteeing the performance and the functions.
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GAOTek Hydroponic Dosing Water Quality Tester

SKU: GAOTek-WQT-143
GAOTek Hydroponic Dosing Water Quality Tester is developed based on guaranteeing the performance and the functions.
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GAOTek Industrial Conductivity Tester

SKU: GAOTek-CT-145
GAOTek Industrial Conductivity Tester is a new generation of DC resistivity equipment which is based on a series of advanced electrical equipment of resistivity survey and adopts 32-bit microcontroller technology and 24-bit A/D technology development.
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GAOTek Industrial Sewage Water Quality Tester

SKU: GAOTek-WQT-153
GAOTek Water Hardness Water Quality Tester is a new generation of water quality analyzer developed for environmental protection, industrial and mining enterprises, schools and scientific research institutes.
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GAOTek Instruments Portable pH

SKU: GAOTek-PHM-168
This Instruments portable pH has temperature range of 32 °F to 212 °F, pH range of -2 pH to 19.99 pH, and 1.5V AA batteries.
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GAOTek Insulator Conductivity Tester

SKU: GAOTek-CT-141
GAOTek Insulator Conductivity Tester is designed specifically for testing intelligent conductivity salt density.
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GAOTek Integrated Multiparameter Water Quality Tester

SKU: GAOTek-WQT-156
GAOTek Integrated multiparameter Water Quality Tester suitable for long-term on-line online monitoring, measuring up to 7 parameters simultaneously, including: Temperature, Depth, pH, ORP, Conductivity & Salinity & TDS, Turbidity, DO, Chlorophyll, Blue-green algae, Ammonia nitrogen, Nitrate nitrogen, Chloride ions, Fluoride ions.
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GAOTek Ion Concentration

SKU: GAOTek-INM-163
GAOTek Ion Concentration on detectors are widely used in waterworks, power plants, boiler water, hospitals, sewage treatment, chemical industry, etc. It is designed for continuous testing of hardness values in liquids.
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GAOTek Ion Concentration Meter

SKU: GAOTek-OET-285
This ion concentration meter has a measuring range of 0.00 pNa to 9.00 pNa, accuracy electric unit ±0.02 pNa, and LED display with pNa value.
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GAOTek Ion Concentration Meter

SKU: GAOTek-OET-286
GAOTek Ion Concentration Meter is used in Water supply plant (sedimentation tank), paper mill (pulp concentration), coal washing plant (sedimentation tank), electric power (slurry sedimentation tank), sewage treatment plant (inlet and outlet, aeration tank, reflux sludge, primary sedimentation tank, secondary sedimentation tank, concentration tank, sludge dewatering).
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GAOTek Ion Concentration Meter Gauge with Fluorine Electrode

SKU: GAOTek-INM-102
Features Comply with the international standards, with such as automatic calibration data storage RS232 output clock display and function settings
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GAOTek Ion Counter Tester

SKU: GAOTek-OET-289
GAOTek ion counter tester is equipped with a color touch screen to display the concentration of negative oxygen ions in the air in real time.
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GAOTek Ion Meter

SKU: GAOTek-INM-162
GAOTek ion meter based on more than 10 years of development experience and combined with the actual needs of a large number of users a specially designed for anion powder.
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GAOTek Ion Meter

SKU: GAOTek-INM-164
GAOTek Ion Meter takes online disinfection monitoring to a new level of reliability by offering industry-leading performance, reduced pH dependency, and no requirement for zero calibration, line of membrane covered Free and Total Chlorine sensors have no moving parts, no bottles of reagent to change out monthly, and quarterly maintenance takes less than five minutes to perform.
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GAOTek Ion Meter

SKU: GAOTek-INM-165
This Ion Meter has a temperature range of 23 ºF to 230 ºF, pH range of -2.00 pH to 20.00 pH and a 240 V rechargeable lithium battery.
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GAOTek Ion Meter

SKU: GAOTek-INM-167
GAOTek portable pH/Ion meter contains 3 measurement modes, the meter is suitable for measuring the pH, ORP and ion concentration. Professional portable pH/ion meter is equipped with a backlit LCD display.
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GAOTek Ion Meter

SKU: GAOTek-INM-169
GAOTek Ion meter, 5 points calibration, automatic help message displays.
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GAOTek Ion Meter

SKU: GAOTek-OET-283
This ion meter has a temperature range of 32 °F to 212 °F, measuring range of 0.00 pH to 14.00 pH and LCD display.
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GAOTek Ion Meter

SKU: GAOTek-OET-284
This ion meter has a temperature range of 32 °F to 212 °F, pH range of 0.00 pH to 14.00 pH and 115 V/ 230 V AC power adapter.
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GAOTek Ion Meter

SKU: GAOTek-OET-287
This ion meter has Temperature range of 14 °F to 230 °F, Resolution of 1 mV, and Examination Range 10-1 mol/L to 10-6 mol/L.
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GAOTek Ion Meter

SKU: GAOTek-OET-288
This ion meter has a temperature range of 32 °F to 212 °F, accuracy of ±0.2 mV, and output USB communication interface.
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GAOTek Ion Meter

SKU: GAOTek-OET-290
This ion meter has temperature range of 32 °F to 212 °F, pH range -2.000 pH to 20.000 pH, and 5 V power adapter.
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GAOTek Ion Portable Meter

SKU: GAOTek-INM-170
This Ion Portable Meter has a temperature range of 32 °F to 212 °F, measuring range 0.001 ppm to 19999 ppm and Ion concentration accuracy of ±0.5% F.S.
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GAOTek Ion Tester

SKU: GAOTek-INM-166
GAOTek Ion Tester is a used to made healthy health care products, electrical powder and all kinds of coating products such as the anion best measurement tools, can be aimed at different traits such as solid, liquid and powder product testing, adopts the advanced GM, ion detection technique.
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GAOTek Ion tester

SKU: GAOTek-INM-168
This GAOTek ion tester has Negative oxygen ion measuring principle Capacitive inhalation, Power supply Rechargeable Li-battery 5000 mah, Display LED Screen.
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GAOTek Ion Tester

SKU: GAOTek-OET-281
GAOTek ion tester is an important factor inducing rebar corrosion.
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GAOTek Ion Tester

SKU: GAOTek-OET-282
GAOTek Ion meter is the latest new micro-computer based high-end instrument.
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GAOTek Ion Tester Portable

SKU: GAOTek-INM-161
GAOTek Ion tester portable is a high-performance ion tester which is designed to measure anion (negative ion) generated by natural ores, and ceramics goods.
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GAOTek Lab Portable pH Meter

SKU: GAOTek-PHM-136
This Lab Portable pH Meter has the pH ranging from -2 pH to 20 pH, a temperature range of 32 °F to 221 °F (0 °C to 105 °C), and an auto power-off.
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GAOTek Lab Tester Water Quality Analysis

SKU: GAOTek-WQT-162
GAOTek Lab Tester Water Quality Analysis, encompassing a wide range of essential measurements for comprehensive assessment
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GAOTek Lab Water Testing Machine

SKU: GAOTek-WQT-168
GAOTek Lab Water Testing Machine featuring a touch screen interface offers an efficient and modern solution for ion concentration analysis, catering to the needs of water quality testing.
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GAOTek Laboratory Benchtop Conductivity Tester

SKU: GAOTek-CT-175
This Laboratory Benchtop Conductivity Tester has scope of 0.0% to 8.00%, instrument level of 0.5 scale, resolution range of 0.01 /cm to 5 /cm and 500 sets data storage.
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GAOTek Laboratory Conductivity Tester

SKU: GAOTek-CT-119
GAOTek Laboratory Conductivity tester is a PH meter with the most powerful functions and the most convenient operation on the market.
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GAOTek Laboratory Digital Portable Water Quality Tester

SKU: GAOTek-WQT-128
This Laboratory Digital Portable Water Quality Tester has a temperature range of 32 °F to 140 °F, data transfer via USB, and 9 V battery.
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GAOTek Laboratory Portable Conductivity Tester

SKU: GAOTek-CT-109
GAOTek Laboratory Portable Conductivity Tester is a high-performance instrument designed for precise and reliable measurement of electrical conductivity in laboratory settings.
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GAOTek Laboratory Portable Ph Meter

SKU: GAOTek-PHM-161
This Barcode Scanner Assistant has an operating temperature of -4 °F to 122 °F (-20 °C to 50 °C), 3 GB RAM, 32 GB ROM, and 13.55 MHz frequency.
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GAOTek Laboratory Water Quality Analyzer and Ion Tester

SKU: GAOTek-INM-104
Features High resolution LCD display Multi-reading feature allows auto read, timed-read and continuous read Automatic/Manual temperature compensation ensures accurate results
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GAOTek LCD Online Conductivity Tester

SKU: GAOTek-CT-176
This LCD online conductivity Tester has temperature range of 32 °F to 113 °F, response time less than 30 s, residual current less than 0.1 mg/L and ambient humidity less than 85%.
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GAOTek Low Price Portable Accurate Digital Benchtop Ph Conductivity Meter for Laboratory

SKU: GAOTek-CT-127
Technical specification Display LCD pH Measurement range (- 1.99 to 19.99) pH pH Resolution 0.1 pH / 0.01 pH pH
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GAOTek Machine and Quality Monitoring Water Quality Tester

SKU: GAOTek-WQT-148
Features Outlook: easy to handle and operate Test multi parameter of water test strip and connect with PC More than
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GAOTek Marine Operations pH Meter

SKU: GAOTek-PHM-169
This Marine Operations pH Meter has a temperature range of 32 °F to 140 °F, a 12 V DC power supply, and a stainless-steel material.
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GAOTek Metal Meter Water Quality Tester

SKU: GAOTek-WQT-201
This Metal Meter Water Quality Tester has working temperature of 14 °F to 122 °F, humidity range of 30% RH to 80% RH, and rechargeable lithium battery.
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GAOTek Mini Aquarium pH Meter

SKU: GAOTek-PHM-118
GAOTek Aquarium Water pH Meter is a specialized device for maintaining optimal water quality in saltwater pools.
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GAOTek Mini Handheld Conductivity Tester

SKU: GAOTek-CT-102
GAOTek Mini Handheld Conductivity Tester is a compact and portable device designed for on-the-go conductivity measurements.
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GAOTek Monitor Conductivity Tester

SKU: GAOTek-CT-118
GAOTek Monitor Conductivity Tester is a comprehensive and reliable device designed for continuous monitoring of conductivity levels.
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GAOTek Multi Parameter Tester

SKU: GAOTek-CT-194
GAOTek Multi Parameter Tester is used to measure ocean dynamic parameters of seawater including temperature, conductivity and pressure.
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GAOTek Multi Parameter Water Quality Analyzer

SKU: GAOTek-WQT-178
GAOTek Multi Parameter Water Quality Analyzer, including 8 measurement functions, 15 function parameters can be customized in the setting menu, and the instrument is applicable to laboratory measurement of sample pH, ORP, ion concentration, conductivity, TDS, salinity, resistivity, dissolved oxygen concentration and saturation.
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GAOTek Multi Parameter Water Quality PH Meters

SKU: GAOTEK-PHM-152
This multi-parameter water quality PH meter measures pH and temperature in -2.00 pH to 16.00 pH range, and 23 °F to 212°F range respectively.
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GAOTek Multi Parameter Water Quality Tester

SKU: GAOTek-WQT-177
This Multi Parameter Water Quality Tester has temperature range of 23.0 °F to 212.0 °F, pH range of -2.00 to 16.00 pH, memory storage of 50 sets, and salinity resolution of 0.1 ppt.
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GAOTek Multi Use PH Meter

SKU: GAOTek-CDT-105
GAOTek Multi Use pH Meter has pH of range 0 pH to 2000 pH, light range of 0 lux to 2000 Lux 0 to 10 and 30.86 lb weight.
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GAOTek Multi-Meter Conductivity Tester

SKU: GAOTek-CT-177
GAOTek Multi-meter conductivity Tester with backlight display and operation keyboard, comprehensive functions, simple operation, simple interface.
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GAOTek Multi-Parameter Analyzer pH Meter

SKU: GAOTek-PHM-141
This Multi-Parameter Analyzer pH Meter has a pH ranging from -2.000 pH to 20.000 pH, a temperature range of 14 ºF to 275 ºF, and an LCD touchscreen.
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GAOTek Multi-Parameter Conductivity Meter

SKU: GAOTek-CT-133
This Multi-Parameter Conductivity Meter has its measurement ranging from 0 to 20000 us/cm(K=1),a temperature range of 32 °F to +122 °F, and an LCD. 
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GAOTek Multi-Parameter Conductivity Tester

SKU: GAOTek-CT-105
GAOTek Portable water multi-parameter analyzer laboratory digital pH and tds EC meter tester has a small size and reliability quality to work on most conditions.
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GAOTek Multi-Parameter Conductivity Tester

SKU: GAOTek-SCT-110
This product full name has temperature range of 32 °F to 140 °F, low power consumption, and 12 V DC Power Supply.
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GAOTek Multi-Parameter Water Quality Analyzer

SKU: GAOTek-WQT-161
GAOTek Multi-Parameter Water Quality Analyzer product is specially designed for on-site rapid detection
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GAOTek Multi-Parameter Water Quality Analyzer

SKU: GAOTek-WQT-206
GAOTek Multi-Parameter Water Quality Analyzer represents a significant advancement in water testing instruments.
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GAOTek Multi-Parameter Water Quality Ion Analyzer

SKU: GAOTek-INM-103
GAOTek Multi-Parameter Water Quality Ion Analyzer adopts photoelectric colorimetric method, with self-developed filter system, good optical stability and strong anti-interference, simple operation, can quickly and accurately determine Copper ions in surface water, groundwater, urban sewage and industrial wastewater.
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GAOTek Multi-Parameter Water Quality Meter (pX and pH, Conductivity)

SKU: GT00YY00ZP
This Multi-Parameter Water Quality Meter (pX and pH, Conductivity) is designed with 200 sets of data storage and the pX/pH measure the potential (mV), pH, pX and ion concentration.
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GAOTek Multifunctional Water Quality Tester

SKU: GAOTek-WQT-203
GAOTek Multifunctional Water Quality Tester includes 8 measurement functions, 15 function parameters can be customized in the setting menu, and the instrument is applicable to laboratory measurement of sample pH, ORP, ion concentration, conductivity, TDS, salinity, resistivity, dissolved oxygen concentration and saturation.
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GAOTek Multiparameter Conductivity Tester

SKU: GAOTek-CT-117
GAOTek Multiparameter Conductivity Tester is a versatile and advanced device designed for measuring conductivity in various applications.
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GAOTek Multiparameter Water Quality Monitoring

SKU: GAOTek-WQT-172
GAOTek Multiparameter Water Quality Monitoring presents a comprehensive and advanced solution for real-time water quality assessment.
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GAOTek Negative Oxygen Ion Detector

SKU: GAOTek-BIM-291
GAOTek negative oxygen ion detector is equipped with a color touch screen to display the concentration of negative oxygen ions in the air in real time.
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GAOTek New Product Lohand Quality Digital Benchtop Conductivity Meter Salinity Tester TDS Test with ATC Function

SKU: GAOTek-CT-140
Features ● Values are automatically locked ● Automatic range switching ● IP65 protection level ● Powerful data management ● Intuitive
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GAOTek Oil Water Quality Tester

SKU: GAOTek-WQT-174
This Oil Water Quality Tester has temperature range of -4 °F to 104 °F, test range of 0 ppm to 1000 ppm, power less than 10 W, and precision of ±5% FS.
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GAOTek Online Conductivity Measurement Tester

SKU: GAOTek-CT-155
This Online Conductivity Measurement Tester has calibration of 1 point to 3 points, output signals of 4 mA to 20 mA and TDS for water quality.
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GAOTek Online Digital Conductivity Tester

SKU: GAOTek-CT-134
GAOtek Online Digital Conductivity Tester is an integrated multi-parameter water quality instrument used for monitoring water quality.
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GAOTek Online Monitoring River Portable Water Quality Tester

SKU: GAOTek-WQT-101
GAOTek Online Monitoring River Portable Water Quality Tester is an integrated multi-parameter water quality instrument used for monitoring water quality.
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GAOTek Online Reading Chlorine Water Analyzer

SKU: GAOTek-WQT-147
GAOTek Online Reading Chlorine Water Analyzer is an electrode for measuring the constant voltage principal water chlorine, chlorine dioxide, ozone.
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GAOTek Online Water Hardness Meter

SKU: GAOTek-WQT-169
GAOTek Online Water Hardness Meter is the latest micro-computer based high-end instrument.
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GAOTek Online Water Hardness Tester

SKU: GAOTek-WQT-115
GAOTek online water hardness tester presents a cutting-edge solution for monitoring water hardness levels with its integrated ion meter designed to measure calcium and magnesium content.
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GAOTek Online Water Hardness Tester

SKU: GAOTek-WQT-181
GAOTek Online Water Hardness Tester presents a cutting-edge solution for monitoring water hardness levels with its integrated ion meter designed to measure calcium and magnesium content.
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GAOTek Online Water Quality Meter Tester

SKU: GAOTek-WQT-114
GAOTek online water quality meter tester with its integrated Ammonia Nitrogen Sensor probe emerges as a versatile solution for monitoring water quality across diverse sectors such as sewage, industry, chemical, and farming.
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GAOTek Online Water Quality Meter Tester

SKU: GAOTek-WQT-180
GAOTek Online Water Quality Meter Tester with its integrated Ammonia Nitrogen Sensor probe emerges as a versatile solution for monitoring water quality across diverse sectors such as sewage, industry, chemical, and farming.
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GAOTek Online Water Quality Sensor Test Meter

SKU: GAOTek-WQT-170
GAOTek Online Water Quality Sensor Test Meter offers a compelling solution for efficient and comprehensive water quality analysis.
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GAOTek Oxygen Purity Water Quality Tester

SKU: GAOTek-WQT-200
This Oxygen Purity Water Quality Tester has display mode of 5 LED display, response time of 30 seconds, and power consumption less than 6 VA.
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GAOTek Oxygen Water Quality Tester

SKU: GAOTek-WQT-188
This Oxygen Water Quality Tester has temperature range of 32 °F to 104 °F, oxygen range of 0.0 mg/L to 20.0 mg/L and accuracy of 0.5 mg/L.
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GAOTek Pen Portable PH Meter

SKU: GAOTek-PHM-285
This Pen Portable pH Meter has a pH range -0.000 pH to 14.000 pH, temperature range of 32 °F to 140 °F and automatic calibration.
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GAOTek PH Conductivity Salinity Tester

SKU: GAOTek-CT-170
GAOTek PH Conductivity Salinity Tester can test PH, Conductivity (Salinity), DO, Temperature.
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GAOTek PH Conductivity Tester

SKU: GAOTeK-CT-186
This Ph Conductivity Tester has a resolution of 0.01 pH, optical stability less than 0.002 A and weight of 7.71 lb
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GAOTek PH Detector

SKU: GAOTek-PHM-200
This PH detector has temperature range of 14 °F to 275 °F, pH range of -2 pH to 16 pH, and 220 VAC power supply.
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GAOTek Ph Electrode Tester

SKU: GAOTek-PHM-196
GAOTek ph electrode tester is mainly used to measure the redox potential of fresh or moist soil, water (medium) redox potential, pH, temperature, and other data in situ.
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GAOTek Ph Meter

SKU: GAOTek-PHM-194
GAOTek Ph meter is more economical and environmentally friendly than traditional chemical method. Small, easy to install, and can be used for continuous online water quality monitoring.
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GAOTek PH Meter and Water Quality Tester

SKU: GAOTek-WQT-142
GAOTek PH Meter and ORP Water Quality Tester is channel terminal controller with backlit display and keyboard operation
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GAOTek pH Meter for Semi-Solid Media

SKU: GAOTek-PHM-187
GAOTek pH meter can be used virtually anywhere.
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GAOTek PH Meter Instrument

SKU: GAOTek-PHM-131
GAOTek pH meter instrument. The pH/ORP sensor uses a composite electrode with a combination of a glass indicator electrode and a reference electrode to measure the pH/ORP value of the water, with stable data and reliable performance.
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GAOTek PH Meter Instrument

GAOTek pH meter instrument. The pH/ORP sensor uses a composite electrode with a combination of a glass indicator electrode and a reference electrode to measure the pH/ORP value of the water, with stable data and reliable performance.
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GAOTek pH Meter Portable Water Quality Tester

SKU: GAOTek-WQT-109
This pH Meter Portable Water Quality Tester has an LCD touchscreen, measurement range of -2000.0 V to 2000.0 V & temperature range of 23°F to 230°F.
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GAOTek Ph Meter Tester

SKU: GAOTek-PHM-182
Technical Specification Parameters Range Resolution Accuracy PH/PX -2.00 to 20.00 0.01 ±0.01 pH ± 1 bit ORP ±1999.9 mV 0.1
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GAOTek PH Meter with 5 Points Calibration (High Accuracy)

SKU: GTOOY400ZE
This PH Meter with 5 Points Calibration (High Accuracy) is designed in the accuracy of 0.002 pH and supports relative and absolute millivolts measurement modes.
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GAOTek pH ORP Meter Analyzer and pH Controller

SKU: GAOTek-PHM-104
GAOTek pH ORP Meter Analyzer and pH Controller with Dosing in Wastewater is an advanced instrument designed for comprehensive monitoring and control of pH and ORP (Oxidation-Reduction Potential) levels in wastewater treatment processes.
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GAOTek PH ORP Temp Portable Digital PH Meter

SKU: GAOTek-PHM-105
GAOTek pH ORP Temp Portable Meter is a laboratory-grade digital pH meter designed for accurate and reliable pH, ORP (Oxidation-Reduction Potential), and temperature measurements.
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GAOTek Ph Power Meter

SKU: GAOTek-PHM-281
GAOTek Ph Power Meter is a single-phase handheld electronic meter test unit in accuracy class 0.1 or 0.2, used for testing single phase electricity meters error on site.
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GAOTek pH Sensor Electrode

SKU: GAOTek-PHM-103
GAOTek pH Sensor Electrode for Water Treatment is a specialized electrode designed for accurate pH measurements in water treatment applications.
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GAOTek pH Sensor for Water Laboratory

SKU: GAOTek-PHM-108
GAOTek pH Sensor is a reliable and accurate pH meter designed for water laboratory applications.
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GAOTek pH Sensors

SKU: GAOTEK-PHM-159
This pH sensor has OEM, ODM, and OBM cable and KCl tube lengths of 787.4 in and is suitable for general-purpose use.
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GAOTek PH Value Sensor

SKU: GAOTek-PHM-114
GAOTek PH Value Sensor Module PH Meter for Water Tester is a cutting-edge IoT pH analyzer equipped with RS-485 and Wi-Fi connectivity for remote monitoring and in-situ measurements using a mobile phone, eliminating the need for a separate meter or app.
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GAOTek Ph Water Meter

SKU: GAOTek-PHM-284
GAOTek Ph water meter steel ruler water level gauge provides the most accurate way to measure water levels, used to measure the water level in wells, boreholes, and water pipes, particularly suitable for the observation of groundwater level in hydropower projects and artificial inspection of dam body infiltration line.
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GAOTek Pool Water Quality Tester

SKU: GAOTek-WQT-151
GAOTek Pool Water Quality Tester is a professional ISO9001 certificated manufacturer with many patents specializing in researching, developing, producing of water analysis instruments, including portable water analyzer, multi-parameter water quality analyzer, data acquisition and transmission terminal.
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GAOTek Portable Acidity Ph Meter

SKU: GAOTek-PHM-147
GAOTek portable acidity pH meter has a waterproof pH, ORP and temperature meter. The housing of this tester has been completely sealed against humidity and is designed to float.
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GAOTek Portable Aquaculture Water Quality Tester

SKU: GAOTek-WQT-105
This Aquaculture Water Quality Tester has a pH range of 6 pH to 10 pH with measurement error of less than 5%.
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GAOTek Portable Aquaculture Water Quality Tester

SKU: GAOTek-WQT-130
GAOTek Portable aquaculture Water Quality Tester has a small size and reliability quality to work on most conditions.
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GAOTek Portable Aquaculture Water Quality Tester

SKU: GAOTek-WQT-120
GAOTek Portable aquaculture Water Quality Tester has a small size and reliability quality to work on most conditions.
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GAOTek Portable Auto Intelligent Multiparameter

SKU: GAOTEK-PHM-151
This auto-intelligent multiparameter has a touch screen, a USB interface, pH ranging from -2 pH to 20 pH, temperature ranging from 23 °F to 260°F.
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GAOTek Portable Bench Top pH Meter

SKU: GAOTek-PHM-191
This portable bench top pH meter has temperature range of 32 °F to 140 °F, pH measure range of 0 pH to 14 pH, and 12V power supply.
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GAOTek Portable Blue-green Algae Meter Handheld pH Meter

SKU: GAOTek-PHM-160
This Blue-Green Algae pH Meter has a temperature range of 32 °F to 140 °F, pH range of 0 pH to 14 pH, and power supply of 12 V.
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GAOTek Portable Blue-green Algae Meter Handheld pH Meter

This Blue-Green Algae pH Meter has a temperature range of 32 °F to 140 °F, pH range of 0 pH to 14 pH, and power supply of 12 V.
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GAOTek Portable Channels Conductivity Tester

SKU: GAOTek-CT-130
Overview GAOTek portable 3 channels conductivity tester is for water quality professionals who want to perform electrochemical analysis for field
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GAOTek Portable Chlorine and Ph Tester

SKU: GAOTek-OENVT-120
This portable chlorine and PH tester has an AC 220 V working voltage, a 0 to 20 mg/L measurement range, ±1% accuracy, 0.001 mg/L resolution.
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GAOTek Portable Conductivity pH Meter

SKU: GAOTek-PHM-178
This Conductivity Ph Meter has a temperature range of 32 °F to 212 °F, a pH range of 0 pH to 14 pH, and a 1.5 V battery
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GAOTek Portable Conductivity Tester

SKU: GAOTek-CT-101
GAOTek Portable Conductivity Tester is a cutting-edge device designed for accurate and reliable conductivity measurements.
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GAOTek Portable Conductivity Tester

SKU: GAOTek-CT-110
GAOTek Portable Conductivity Tester is a versatile and compact instrument designed for accurate measurement of electrical conductivity in various liquid samples.
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GAOTek Portable Conductivity Tester

SKU: GAOTek-SCT-106
GAOTek Portable Conductivity Tester is a versatile instrument equipped with six distinct measurement modes.
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GAOTek Portable Conductivity Tester

SKU: GAOTek-CT-131
GAOTek portable conductivity tester adding a new Frequency testing of 500 KHz, it measures accurate the thinner test pieces.
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GAOTek Portable Conductivity Tester

SKU: GAOTek-CT-148
This Portable Conductivity Tester has temperature range of 32 °F to 122 °F, pH measuring range of -2 pH to 19 pH, and has a polarographic electrode type
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GAOTek Portable Current Conductivity Tester

SKU: GAOTek-CT-300
GAOTek portable current conductivity tester is a kind of eddy current electrical conductivity meter, which is designed for quick & and convenient measurement of material properties, such as material separation, quality control, material state check, and so on.
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GAOTek Portable Digester Water Quality Tester

SKU: GAOTek-WQT-150
This product full name has temperature range of 14 °F to 104 °F, 120 W maximum power, and 10 A voltage.
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GAOTek Portable Digital Conductivity Meter

SKU: GAOTek-CT-132
GAOTek portable digital conductivity meter is a portable multi-parameter water quality monitoring instrument used for testing water quality.
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GAOTek Portable Digital Laboratory Ion Meter

SKU: GAOTek-INM-109
Features Automatic temperature compensation ensures accurate readings over the entire range Auto-Read function senses and locks the measurement endpoint Calibration
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GAOTek Portable Digital Ozone Water Quality Tester

SKU: GAOTek-WQT-104
GAOTek Portable Digital Ozone Water Quality Tester is a microcomputer type on-line measurement and control device for ozone in water.
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GAOTek Portable Digital pH meter

SKU: GAOTek-PHM-183
GAOTek pH meter has a small size and reliability quality to work on most conditions.
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GAOTek Portable Digital PH Meter

SKU: GAOTek-PHM-199
This Portable digital pH meter has temperature range of 32 °F to 221 °F, pH range of -2.00 pH to 20.00 pH and 1.5 V AA batteries.
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GAOTek Portable digital pH Meter for Food and Milk

SKU: GAOTek-PHM-107
GAOTek pH Meter for Food and Milk is a digital pH meter specifically designed for the accurate measurement of pH levels in food and milk products.
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GAOTek Portable Digital pH Meters

SKU: GAOTek-PHM-184
This Portable Digital pH Meters has temperature range of 32 °F to 221 °F, pH range of -2.00 pH to 20.0 pH and 3 1.5 V “AA” batteries.
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GAOTek Portable Dissolved Oxygen Meter

SKU: GAOTek-OET-128
GAOTek portable dissolved oxygen meter can be used for monitoring dissolved oxygen, temperature, and PH in water, and can meet the requirements of portable accurate water quality measurement.
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GAOTek Portable Dissolved Oxygen Water Quality Tester

SKU: GAOTek-WQT-107
GAOTek Portable Dissolved Oxygen Water Quality Tester is Multiparameter portable PH/ ORP/ Dissolved Oxygen meter contains the 3 measurement modes, the meter is suitable for measuring the PH, ORP, and DO.
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GAOTek Portable Dissolved Oxygen Water Quality Tester

SKU: GAOTek-WQT-110
GAOTek Portable Dissolved Oxygen Water Quality Tester is simple product and easy-to-use pen-type dissolved oxygen meter, 1- or 2-point button calibration, the meter is suitable for outdoor measurement of dissolved oxygen concentration and percentage saturation of samples, measurement accuracy: 0.5 mg/L.
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GAOTek Portable Dissolved Oxygen Water Quality Tester

SKU: GAOTek-WQT-134
GAOTek Portable Dissolved Oxygen Water Quality Tester is simple product and easy-to-use pen-type dissolved oxygen meter, 1 point or 2-point button calibration, the meter is suitable for outdoor measurement of dissolved oxygen concentration and percentage saturation of samples, measurement accuracy: 0.5 mg/L.
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GAOTek Portable Dissolved Oxygen Water Quality Tester

SKU: GAOTek-WQT-124
GAOTek Portable Dissolved Oxygen Water Quality Tester is simple product and easy-to-use pen-type dissolved oxygen meter, 1 point or 2-point button calibration, the meter is suitable for outdoor measurement of dissolved oxygen concentration and percentage saturation of samples, measurement accuracy: 0.5 mg/L.
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GAOTek Portable Handheld Multiparameter Water Quality Tester

SKU: GAOTek-WQT-100
GAOTek Portable Handheld Multiparameter Water Quality Tester providing the best water quality monitoring solutions for users in all areas of pure water, ultra-pure water, drinking water, municipal wastewater
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GAOTek Portable Handheld pH Meter

SKU: GAOTEK-PHM-150
GAOTek portable pH meter is used for testing water quality.
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GAOTek Portable Handheld Water pH Meter

SKU: GAOTEK-PHM-156
This water pH meter has turbidity ranges of 0 to 4000 NTU, an accuracy of 5% FS, a temperature range of 32 to 104 °F, and a response time of 10s.
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GAOTek Portable Hardness Water Quality Tester

SKU: GAOTek-WQT-183
GAOTek Portable Hardness Water Quality Tester is a professional portable water hardness meter that comes with a solid-state ion selective electrode, the meter is suitable for outdoor applications, accuracy: 1% F.S.
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GAOTek Portable High Accuracy pH Meter

SKU: GAOTek-PHM-186
This Portable High Accuracy pH Meter has temperature range of 23 °F to 221 °F, pH range of -2.00 pH to 20.0 pH and 1.5 V AA batteries.
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GAOTek Portable Laboratory Conductivity/TDS/Salinity Tester

SKU: GAOTek-CTS-108
This Portable Laboratory Conductivity/TDS/Salinity Tester has temperature range of 32 °F to 221 °F, calibration point of 1 point to 3 points and 9 V power adapter 
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GAOTek Portable Multi Parameter Water Quality Tester

SKU: GAOTek-WQT-106
This Portable Multi Parameter Water Quality Tester has a pH resolution of –2 pH to 20 pH & ORP 1999.9 mV with a conductivity of 7.87 mS to 78.74 mS.
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GAOTek Portable Multi-meter Ph Meter

SKU: GAOTek-PHM-282
GAOTek Ph Power Meter is a single-phase handheld electronic meter test unit in accuracy class 0.1 or 0.2, used for testing single phase electricity meters error on site.
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GAOTek Portable Ozone Water Quality Tester

SKU: GAOTek-WQT-108
This Ozone Water Tester measures from 0 ppm to 10.00 ppm, with ±1% precision on reliable water quality analysis.
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GAOTek Portable PH Digital Alcalinity Tester

SKU: GAOTek-PHM-102
GAOTek Portable pH Digital Alkalinity Tester is a compact and reliable instrument designed for measuring pH and alkalinity levels in liquids.
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GAOTek Portable PH Meter

SKU: GAOTek-PHM-133
This Portable PH Meter has the pH ranging from 0.00 pH to 14.00 pH, a temperature range of 23 °F to 221 °F, an LCD, and a IP65 protection.
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GAOTek Portable PH meter

SKU: GAOTek-PHM-134
GAOTek portable pH meter has more advantages in various fields such as wastewater, aquaculture, and fermentation, etc.
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GAOTek Portable PH Meter

SKU: GAOTek-PHM-137
GAOTek Portable pH meter also been called as Water Testing Device or Water Quality Testing Device, it’s the device that measure the value of pH, Cond.
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GAOTek Portable pH Meter

SKU: GAOTek-PHM-139
This Portable PH Meter has the pH ranging from 0.00 pH to 14.00 pH, a temperature range of 32 °F to 212 °F, and Powered by AAA Alkaline batteries.
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GAOTek Portable pH Meter

SKU: GAOTEK-PHM-154
This portable pH meter has a pH measuring range of -2.00 to 19.99, with a resolution of 0.1 pH/0.01 pH and ±0.01 accuracy.
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GAOTek Portable pH Meter

SKU: GAOTek-PHM-180
This Portable pH Meter has temperature range of 23 ºF to 230 ºF, pH range of -2.00 pH to 20.0 pH and 5 V lithium battery power supply.
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GAOTek Portable pH Meter

SKU: GAOTek-PHM-181
GAOTek portable pH meter is a digital display PH meter, with LCD digital display, which can display PH and temperature values simultaneously.
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GAOTek Portable PH Meter

SKU: GAOTek-PHM-195
This portable PH meter has temperature range of 23 °F to 266 °F, TDS range of 0.000 ppm to 1000 ppm and 24V power supply.
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GAOTek Portable Ph Meter

SKU: GAOTek-PHM-197
GAOTek Portable Ph Meter has a small size and reliability quality to work on most conditions.
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GAOTek Portable PH Meter

SKU: GAOTek-PHM-198
GAOTek Portable PH meter is a specialized water quality detector for aquaculture, with multiple detection items to help you better understand the aquaculture environment.
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GAOTek Portable Ph Meter

SKU: GAOTek-PHM-287
GAOTek ph meter with backlight display and operation keyboard, comprehensive functions, simple operation, simple interface.
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GAOTek Portable pH Meter For Dairy Products

SKU: GAOTek-PHM-146
This Portable pH Meter for Dairy Products has a pH ranging from -2.00 pH to 19.99 pH, a temperature range of 32.0 °F to 176.0 °F, and an backlit LCD.
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GAOTek Portable pH Meter for Food

SKU: GAOTek-PHM-106
GAOTek Portable pH Meter Food is a compact and portable pH meter specially designed for food-related applications.
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GAOTek Portable Ph Meter for Food and Dairy Products

SKU: GAOTek-PHM-148
GAOTek Portable pH Meter is an outstanding combination of the advanced digital processing technology, software design, and electrochemical sensor technology, specially designed for a pH measurement of food and dairy product (meat, cheese, dairy products, fruit, etc.), canning, and other semi-solids (such as soil).
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GAOTek Portable pH Meter Kit

SKU: GAOTek-PHM-176
This Portable pH Meter Kit has a temperature range of 32 °F to 212 °F, a pH range of -2.00 pH to 19.99 pH, and AA batteries.
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GAOTek Portable Ph Meter Tester

SKU: GAOTek-PHM-132
GAOTek Portable Ph Meter Tester adopts a new generation of four-electrode/six-electrode technology, with wide measurement range, automatic switching measurement range, built-in temperature sensor and real-time temperature compensation.
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GAOTek Portable pH Multi-Meter

SKU: GAOTek-PHM-193
GAOTek Portable pH multi-Meter a robust and intuitive range of portable meters, instilling confidence in reporting and managing your results.
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GAOTek Portable PH Tester Meter

SKU: GAOTek-PHM-175
GAOTek Portable PH Tester Meter is one of the intelligent online chemical analysis instruments, which can continuously monitor data and realize remote monitoring and recording through transmission and output connection recorder.
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GAOTek Portable PH/Ion Tester

SKU: GAOTek-OENVT-119
This portable pH/Ion tester has a lithium battery, an AC adapter, a 100-240V AC input, a DC 5V output, and a temperature range of 14–275°F.
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GAOTek Portable Pocket pH Meter

SKU: GAOTek-PHM-164
This Pocket pH meter has temperature range of 32 °F to 104 °F, wavelength of 525 nm and AAA battery.
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GAOTek Portable Soil PH Meter

SKU: GAOTek-PHM-177
This Portable Soil PH Meter has a temperature range of 41 °F to 113 °, a pH range of 0 PH to 14 PH, and response time of less than 10 s.
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GAOTek Portable Soil Tester pH

SKU: GAOTek-PHM-170
GAOTek soil tester pH adopts the latest digital integrated circuit technology and international detection technology to design a new intelligent handheld detector.
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GAOTek Portable Turbidity Water Quality Tester

SKU: GAOTek-WQT-102
GAOTek Portable Turbidity Water Quality Tester is optical fiber sensing technology, adopts 90° scattered light measurement principle, conforms to ISO 7027 international standard, customized optics, small size, easy installation and maintenance, not easy to be disturbed by ambient light, and has better repeatability and stability.
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GAOTek Portable Vibration Tester Meter

SKU: GAOTek-CDT-106
This Portable Vibration Tester Meter has temperature range of 32 oF to 104 oF measuring range of 10 Hz to 200 Hz and lithium battery.
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GAOTek Potassium Ion Compensation Ammonia Nitrogen Water Quality Tester

SKU: GAOTek-WQT-164
GAOTek Digital Handheld Water Ammonia Water Quality Tester, it’s the device that measures the value of ammonia in liquid, which had been widely used in water quality testing applications.
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GAOTek Precision Desktop pH/ORP/Ion Meter Ion Tester

SKU: GAOTek-INM-108
Features Multi-parameter bench-top ion meter is equipped with a large backlit LCD display 2 to 5 points calibrations including the
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GAOTek Precision Desktop pH/ORP/Ion Meter Ion Tester Price

SKU: GAOtek-CT-129
Features ● Multiparameter benchtop ion meter is equipped with a large backlit LCD display ● 2 to 5 points calibration
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GAOTek Professional Industrial Portable Conductivity Tester

SKU: GAOTek-CT-152
GAOTek Professional Industrial Portable Conductivity Tester integrated with online chloride ion sensor uses an iron-selective electrode with a solid membrane for testing free chlorine ions in water, making it fast, simple, accurate and economical.
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GAOTek Professional Portable pH Meter

SKU: GAOTek-PHM-144
This Professional Portable pH Meter has a pH ranging from -2 pH to 20 pH, a temperature range of 32.0 °F to 221.0 °F, and an auto power-off feature.
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GAOTek Real Time Monitoring Soil PH Meter

SKU: GAOTek-PHM-115
GAOTek’s Real Time Monitoring Soil pH Meter, pH sensor, offers a reliable solution for measuring pH values in soil.
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GAOTek Residual Chlorine Water Meter

SKU: GAOTek-WQT-144
GAOTek Residual Chlorine Water Meter showcases a specialized approach to monitoring free chlorine levels.
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GAOTek Residual Chlorine Water Quality Tester

SKU: GAOTek-WQT-152
GAOTek Residual Chlorine Water Quality Tester is a professional portable chloride ion meter, suitable for outdoor applications, accuracy: 0.5% F.S. Such as swimming pool, wastewater tank.
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GAOTek Resistivity Water Quality Tester

SKU: GAOTek-WQT-173
GAOTek Resistivity Water Quality Tester is used for distinguishing, grading and so forth detecting, on conductivity with non-ferromagnetic metal.
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GAOTek Salinity Conductivity Meter

SKU: GAOTek-CT-180
This Salinity Conductivity Meter has temperature range of 23 °F to 248 °F, salinity range of 0 ppt to 300 ppt and 1.5 V AA battery.
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GAOTek Salinity Conductivity Tester

SKU: GAOTeK-CT-187
This Salinity Conductivity Tester has temperature range of 14 oF to 230 oF, electrode constant of 0.1 cm-1/1 cm-1/10 cm-1, and 7 in touch screen.
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GAOTek Salinity Resistivity PH Meter

SKU: GAOTek-PHM-185
This Salinity Resistivity pH Meter has temperature range of 23 °F to 221 °F, pH range of -2.00 pH to 20.0 pH and 400 mA power adapter.
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GAOTek Sensor Digital Conductivity Tester

SKU: GAOTek-CT-116
GAOTek Sensor Digital Conductivity Tester is a versatile and reliable device designed for measuring conductivity in various applications.
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GAOTek Smart Thermal Conductivity Tester

SKU: GAOTek-SCT-101
GAOTeks Smart thermal conductivity tester serves as a valuable tool for conducting on-site assessments of energy-efficient buildings.
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GAOTek Soil Conductivity Tester

SKU: GAOTek-CT-103
GAOTek Soil  Conductivity Tester is a reliable and efficient tool for measuring electrical conductivity in soil.
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GAOTek Soil Moisture and Salinity pH Tester

SKU: GAOTEK-PHM-155
This soil moisture and salinity pH tester has a measurement range of 0–100%, ±0.01% sensitivity, lithium battery or AC-powered, and USB communication.
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GAOTek Soil Nutrient pH meter

SKU: GAOTek-PHM-179
This Soil Nutrient pH Meter has temperature range of -58 °F to 212 °F, pH range of 0 pH to 14 pH and 7.4 V lithium battery power supply.
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GAOTek Spectrophotometer Biochemistry Analyzer Water Quality Tester

SKU: GAOTek-WQT-116
The GAOTek Spectrophotometer Biochemistry Analyzer Water Quality Tester is an advanced laboratory device crafted to fulfill the requirements of contemporary biochemistry analysis and water quality testing.
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GAOTek Surface Water Quality Tester

SKU: GAOTek-WQT-205
GAOTek Surface Water Quality Tester is a high accuracy instrument for measuring surface roughness.
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GAOTek Suspended Solids Online Water Quality Tester

SKU: GAOTek-WQT-166
GAOTek Suspended Solids Online Water Quality Tester Suspended Solids Online Analyzer, adopting ISO 7027 standard method (Infrared 135 degree backscattered light technology) and the latest digital, intelligent sensor design concept, can automatically compensating voltage fluctuations, device aging, influence of temperature changes on the measured value, directly output standardized digital signals.
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GAOTek Swimming Pool Water PH And ORP Water Quality Tester

SKU: GAOTek-WQT-157
GAOTek Swimming Pool Water PH and ORP Water Quality Tester is online analysis system integration platform, can be directly a variety of water quality online analysis parameters are integrated in the interior of the machine, in the large 7 in(177.8 mm),10 in(254 mm)  Touch screen display panel focused observation and management; the system of on-line water quality analysis, data remote transmission, database and analysis software system automatic zero calibration of various timing.
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GAOTek TDS Resistivity Salinity Conductivity Meter

SKU: GAOTek-SCT-109
This Salinity Conductivity Meter has temperature range of -5.0 °F to 248.0 °F, salinity range of 0 ppt to 300ppt, and 1.5 V AA battery.
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GAOTek Tester PH meter

SKU: GAOTek-PHM-163
This Tester PH meter has temperature range of 32 ºF to 212 ºF, resolution range of 0.0 ppm to 20.00 ppt and 1.5 V AAA battery.
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GAOTek Touch Screen Benchtop Water Quality Tester

SKU: GAOTek-WQT-135
This Water Quality Tester has a measuring range of 0.00 mV to 16.00 mV, a resolution of 0.01 pH and a power supply range of DC 9 V to 12 V.
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GAOTek Touch Screen Benchtop Water Quality Tester

SKU: GAOTek-WQT-125
This Water Quality Tester has a measuring range of 0.00 mV to 16.00 mV, a resolution of 0.01 pH and a power supply range of DC 9 V to 12 V.
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GAOTek Touch Screen Digital Conductivity Meter

SKU: GAOTek-CT-192
This Digital conductivity meter has temperature range of 14 °F to 246°, accuracy of ±1.0 % FS and electrode constant of 3.94 in (100 mm).
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GAOTek Trace Oxygen Water Quality Tester

SKU: GAOTek-WQT-207
This Trace Oxygen Water Quality Tester has a measure range of 10% to 99.99%, stability of ≤±0.5% FS, and sample gas flow range of 400 ml/min to 600 ml/min.
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GAOTek Turbidity Measurement Ph Meter

SKU: GAOTek-PHM-140
This Turbidity Measurement Ph Meter has a temperature range of 32 °F to 140 °F, a measurement range of 0 mg/L to 10000 mg/L, and a power supply of 12 V.
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GAOTek Turbidity Measurement Ph Meter

This Turbidity Measurement Ph Meter has a temperature range of 32 °F to 140 °F, a measurement range of 0 mg/L to 10000 mg/L, and a power supply of 12 V.
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GAOTek Turbidity Water Quality Tester

SKU: GAOTek-WQT-176
This Turbidity Water Quality Tester has temperature range of 32 °F to 122 °F, measuring range of 0.1 NTU to 1000 NTU, response time less than 30 seconds, and resolution of 0.1 NTU.
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GAOTek Ultrasonic Open Channel Flow Water Quality Tester

SKU: GAOTek-WQT-163
GAOTek Ultrasonic Open Channel Flow Water Quality Tester is suitable for flow measurement in open channels and partially fled pipes
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GAOTek Underground Pipes Water Leak Detector with Accurate Detection

SKU: GT00VP00ZX
This Underground Pipes Water Leak Detector with Accurate Detection is designed using digital signal processing technology to detect the ambient noise interference.
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GAOTek Versatile Conductance Tester

SKU: GAOTek-SCT-102
GAOTek Versatile Conductance Tester, a portable device designed for swift and precise assessment of battery operational parameters.
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GAOTek Versatile Conductivity Tester

SKU: GAOTek-CT-143
GAOTek Versatile Conductivity Tester utilized color resistance touch screen.
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GAOTek Volt Water Quality Tester

SKU: GAOTek-WQT-202
This Volt Water Quality Tester has temperature range of 14 °F to 122 °F, voltage accuracy of 0.02%, and resolution of 0.5 min.
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GAOTek Water Hardness Water Quality Tester

SKU: GAOTek-WQT-136
GAOTek Water Hardness Water Quality Tester is a new generation of water quality analyzer developed for environmental protection, industrial and mining enterprises, schools and scientific research institutes.
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GAOTek Water Hardness Water Quality Tester

SKU: GAOTek-WQT-126
GAOTek Water Hardness Water Quality Tester is a new generation of water quality analyzer developed for environmental protection, industrial and mining enterprises, schools and scientific research institutes.
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GAOTek Water Hardness Water Quality Tester

SKU: GAOTek-WQT-160
This Water Hardness Water Quality Tester has power supply range of 9 V to 36 V, pressure range is less than 57.97 PSI and at least 1 min measurement Interval.
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GAOTek Water pH Acidity Meter

SKU: GAOTek-PHM-121
GAOTek manual disc polarimeter is an optical instrument used to measure the optical rotation of a substance.
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GAOTek Water Quality Analysis Expert

SKU: GAOTek-WQT-141
GAOTek Water Quality Analysis Expert is a versatile and reliable water quality meter designed for both professional laboratory uses and various field applications.
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GAOTek Water Quality Analyzer PH Meter Digital Portable pH

SKU: GAOTek-PHM-142
This Water Quality Analyzer PH Meter Digital Portable pH has a pH ranging from -2 pH to 19.99 pH, and a temperature compensation range of 32 °F to 212 °F.
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GAOTek Water Quality COD Sensor

SKU: GAOTek-WQT-175
GAOTek Water Quality COD sensor is a new generation of environmentally friendly COD/TOC sensor.
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GAOTek Water Quality Conductivity Tester

SKU: GAOTek-CT-106
GAOTek Water Quality Conductivity Tester is a reliable and user-friendly instrument designed for measuring the electrical conductivity of water samples.
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GAOTek Water Quality Conductivity Tester

SKU: GAOTek-CT-147
This Water Quality Conductivity Tester has a temperature range of 23.0 °F to 266.0 °F, conductivity range of 0.0 μS/cm to 3000 mS/cm, calibration up to 5 points and accuracy plus minus 0.5% FS.
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GAOTek Water Quality Instrument Portable Ph Meter

SKU: GAOTek-PHM-192
GAOTek Water Quality Instrument Portable Ph meter comes with a range of standard sensors including pH, dissolved oxygen, conductivity, temperature, turbidity, depth, ORP, Chlorophyll, Blue-green Algae, NH4+, K+, TSS, Salinity etc.
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GAOTek Water Quality Meter Blue Green Algae Sensor

SKU: GAOTek-WQT-182
GAOTek Water Quality Meter Blue Green Algae Sensor adopts the principle of fluorescence method. Compared with the traditional manual counting method, it is more efficient and faster, and can be monitored online in real time. The sensor has better repeatability and stability.
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GAOTek Water Quality pH Meter

SKU: GAOTek-PHM-162
This Water Quality pH Meter has a wavelength range of 420 nm to 700 nm and optical stability is less than 0.002 A within 20 min.
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GAOTek Water Quality Test Meter

SKU: GAOTek-WQT-112
GAOTek water quality test meter offers a comprehensive solution for assessing drinking water quality.
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GAOTek Water Quality Tester

SKU: GAOTek-CT-108
This water quality tester has a conductivity range of 0 cm to 199.9 cm, conductivity resolution of 0.001 cm and calibration up to 5 points.
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GAOTek Water Turbidity Meter

SKU: GAOTek-WQT-113
GAOTek's water turbidity meter is a precision online testing device designed for accurate water turbidity measurement.
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GAOTek Water Turbidity Meter

SKU: GAOTek-WQT-179
GAOTek Water Turbidity Meter stands out as a precision-driven online water testing meter specifically designed for measuring water turbidity.
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GAOTek Waterproof Digital PH Meter Pen

SKU: GAOTek-PHM-116
GAOTek’s Waterproof Digital PH meter pen is a portable and accurate tool for measuring pH levels in liquids. It has a wide measurement range of 0-14 pH, with a resolution of 0.01 pH.
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Benchtop Ion Meter for Ammonia Ion (High Calibration Range)

SKU: GT00Z100YX
This Benchtop Ion Meter for Ammonia Ion (High Calibration Range) is designed to measure the ammonia ion concentration of samples in ppm, mg/L, mmol/L and mol/L with an accuracy of 1% F.S.
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Benchtop Ion Meter for Cupric Ion (Auto-Hold Function)

SKU: GT00Z100Z4
Key Features Specifications Key Features Selectable temperature unit (°C or °F) meets different application requirements. mV measurement mode allows user
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Benchtop Ion Meter for Iodide Ion (°C/°F Temp. Unit)

SKU: GT00Z100Z3
Key Features Specifications Key Features Direct ion concentration readout simplifies the elaborate measurement process. Selectable multiple concentration units, including the
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Benchtop Ion Meter for Lead Ion (5 Points Calibration)

SKU: GT00Z100Z2
Key Features Specifications Key Features High accuracy lead ion meter is equipped with a large backlit LCD display 2 to
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Benchtop Ion Meter for Potassium Meter (Compensation Mode)

SKU: GT00Z100YZ
Key Features Specifications Key Features High accuracy potassium ion meter is equipped with a large backlit LCD display. 2 to
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Benchtop Ion Meter for silver Ion (mV Measurement Mode)

SKU: GT00Z100Z1
Key Features Specifications Key Features Selectable temperature unit (°C or °F) meets different application requirements. mV measurement mode allows user
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Benchtop Ion Meter for Sulfide Ion (Hold Function)

SKU: GT00Z100YY
Key Features Specifications Key Features Direct ion concentration readout simplifies the elaborate measurement process. Selectable multiple concentration units, including the
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Conductivity Meter with Economy Portability (Data Storage)

SKU: GT00YZ00ZP
This Conductivity Meter with Economy Portability (Data Storage) is designed using 3 point calibration mode and can be used in outdoor applications of accuracy 0.5 % F.S.
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Conductivity Meter with High Accuracy (3 Points Calib)

SKU: GT00ZA00ZV
Key Features Specifications Key Features Large LCD display Built-in temperature sensors allow the meter to make adjustments to the conductivity
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Conductivity Meter with Resistivity Meter (TDS and Salinity)

SKU: GT00YZ00ZM
This Conductivity Meter with Resistivity Meter (TDS and Salinity) is designed by 1 to 5 points push button calibration with automatic calibration solution recognition for accuracy of 0.5% F.S.
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Conductivity Meter with Salinity Meter (Reset Function)

SKU: GT00YZ00ZN
This Conductivity Meter with Salinity Meter (Reset Function) is designed to measure the salt concentration for selectable seawater with practical salinity measurement modes.
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Conductivity Meter with TDS Measuring Mode (High Accuracy)

SKU: GT00YZ00ZH
This Conductivity Meter with TDS Measuring Mode (High Accuracy) is designed by 1 to 3 points push-button calibration with an accuracy of 1% F.S.
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Conductivity Meter with Test and Controls (High Performance)

SKU: GT00YZ00ZI
This Conductivity Meter with Test and Controls (High Performance) is designed by 6 parameters system menu settings which has 3 cell constants (0.1/1/10) for measuring requirements.
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GAOTek Conductivity Meter with Temperature Compensation (Basic)

SKU: GT00YZ00ZJ
This Conductivity Meter with Temperature Compensation (Basic) is designed by Manual Temperature Compensation mode to measure the conductivity of liquids.
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Ion Meter for Cyanide Ion (High Accuracy, 8 Parameters)

SKU: GT00Z100ZM
  Key Features Portable Cyanide ion meter, suitable for outdoor applications 2 to 5 point calibration, selectable concentration unit Large
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Ion Meter for Fluoride Ion (High Performance)

SKU: GT00Z100ZT
Key Features Portable fluoride ion meter, suitable for outdoor applications 5 point calibration, selectable concentration unit Lard LCD display Direct
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Ion Meter for Iodide Ion (5 Points Calibration)

SKU: GT00Z100ZJ
  Key Features Portable Iodide ion meter, suitable for outdoor applications 2 to 5 point calibration, selectable concentration unit Large
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Ion Meter for Lead Ion (mV, Measurement Mode)

SKU: GT00Z100ZI
Key Features Portable Lead ion meter, suitable for outdoor applications 2 to 5 point calibration, selectable concentration unit Large LCD
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Ion Meter for Nitrate Ion (Portable, Light-Weight)

SKU: GT00Z100ZP
Key Features Portable nitrate ion meter, suitable for outdoor applications 2 to 5 point calibration, selectable concentration unit Large LCD
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Ion Meter for Potassium Ion (Hold-On Function)

SKU: GT00Z100ZG
  Key Features Portable Potassium ion meter, suitable for outdoor applications 2 to 5 point calibration, selectable concentration unit Large
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ION Meter for Sodium (Black and Multi-parameter measurement)

SKU: GT00Z100ZV
Key Features Specifications Key Features Double-row nixie tube: To display μg/L, pNa/mV and temperature simultaneously. Computer-based: To adopt high-performance CPU
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Multi-Parameter Water Quality Meter (ORP, TDS and Salinity)

SKU: GT00YY00ZO
This portable ‘Multi-Parameter Water Quality Meter (ORP, TDS and Salinity)’ has four-channel units design (pH/px, conductive, DO unit) and is useful in automatic identification of 25 kinds of buffer solutions.
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PH and ORP Controller with High Accuracy (Light Weight)

SKU: GT00XB00ZZ
Key Features Specifications Key Features Used for applications such as water treatment and monitoring, galvanic-decontamination, chemical processing, Wastewater control and
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PH Meter with Conductivity and TDS (Multimodes Power)

SKU: GT00YY00ZT
Key Features Specifications Key Features Simple, easy-to-use portable pH meter with Large LCD display 1-5 points calibration with auto-buffer recognition
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PH Meter with High Precision (3000 Data Store and Single Board)

SKU: GT00Y400ZY
Key Features Specifications Key Features Computer based: It adopts CPU high-performance chip, high-precision AD conversion technology and SMTtechnology to complete
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PH Meter with mV (3 Points Calibration and Self-Diagnostic)

SKU: GT00ZA00ZU
Key Features Specifications Key Features Large LCD display Microprocessor-based chip and parts apparatus are jointed with SMT technology offers high
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PH Meter with ORP (0.2% Accuracy and 0-14 PH Range)

SKU: GT00ZJ00ZW
Key Features Specifications Key Features High quality and economy Widely measuring range Widely used for routine use in laboratories, production
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PH Meter with ORP and Temperature (Low Error Rate)

SKU: GT00ZJ00ZX
Key Features Specifications Key Features Double row nixie tubes display PH value/mV value and temperature respectively. Computer based: It adopts
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PH Meter with mV and Conductivity and Temp (Wide Measuring Range)

SKU: GT00Y400ZA
Key Features Specifications Key Features High resolution 7 -inch color touch – controlled LCD screen, simple and convenient in use
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PH Meter with mV and Temperature (Two Point Auto Calibration)

SKU: GT00Y400ZB
This PH Meter with mV and Temperature (Two Point Auto Calibration) is designed to measure the concentration of solution’s mV and pH value in the range from 0 ~ 14.00 pH.
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Conductivity Meter with TDS and Temperature (High Accuracy)

SKU: GT00YZ00ZA
This Conductivity meter with TDS and Temperature (High Accuracy) is designed to measure the conductivity of solution and display high accurate measurements in the LCD screen.
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GAOTek PH Meter with mV and Temperature (Accurate, Auto Calibration)

SKU: GT00Y400ZC
This PH Meter with mV and Temperature (Accurate, Auto Calibration) is designed to measure the concentration of solution’s mV and pH value and be calibrated with 2 points auto calibration.
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PH Meter with ORP and Conductivity Range (Data Storage, Accurate)

SKU: GT00Y400ZD
Key Features Specifications   Key Features Optional 5 kinds of PH buffer solution can make 1-3 points automatic calibration Can
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Conductivity Meter with Various Range Types (High Accuracy)

SKU: GT00YZ00Z9
Key Features Specifications   Key Features Electrode constant compensation Manual temperature compensation Output signal (0-10)mV Technical Specifications Accuracy of the
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Ion Meter for Sodium Ion (Large Storage Data)

SKU: GT00Z100ZR
  Key Features  Portable sodium ion meter, suitable for outdoor applications 2 to 5 point calibration, selectable concentration unit Large
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Ion Meter for Sulphide Ion (High Calibration Range)

SKU: GT00Z100ZF
  Key Features  High performance portable chlorine ion meter is equipped with a large LCD display. • 2 to 5
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GAOTek PH Controller with 3 Points Calibration (Reset Function)

SKU: GT00Y400ZN
This PH Controller with 3 Points Calibration (Reset Function) is designed for monitoring the pH of liquids in chemical, pharmaceutical, environmental protection and food industries.
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GAOTek PH Meter with 2 Points Calibration (Electrode Slope)

SKU: GT00Y400ZF
This PH Meter with 2 Points Calibration (Electrode Slope) is designed to measure the pH and millivolt of samples with the accuracy of 0.01 pH.
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GAOTek PH Meter with mV/Temp ( Temp. Compensation, 3 Point Calib)

SKU: GT00Y400ZJ
This PH Meter with mV/Temp (Temp. Compensation, 3 Point Calib) is designed using 3 point calibration for high accuracy measurements and supports automatic temperature compensation over the complete pH range from -1.00 pH ~ 15.00 pH.
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PH Meter with mV (2 Point Calibration, High Accuracy)

SKU: GT00Y400ZM
This PH Meter with mV (2 Point Calibration, High Accuracy) is designed using 2 point calibration mode and has manual temperature compensation function to enhance the measurement accuracy of upto 0.05 pH.
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PH Meter with mV/Temp (Quality Controls, 2 Point Calibration)

SKU: GT00Y400ZK
This PH Meter with mV/Temp (Quality Controls, 2 Point Calibration) is designed using 2 point calibration for high accuracy measurements and can be used for daily testing and quality controls.
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GAOTek Vibration Meter with RS232/USB Interface (Manage Data )

SKU: GT00YS00ZI
This portable ‘Vibration Meter with RS-232/USB Interface (Manage Data)’ is an easy-to-use device which measures vibrations and oscillations in many machines and can store a total of 1000 data points.
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Chemical Oxygen Demand Meter with Wide Measurement Range

SKU: GT00UL00ZY
GAOTek Chemical Oxygen Demand Meter offers Wide measurement rang , microcomputer controlled calculations and high reliability.
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Ion Meter for Cupric Ion (Memory Storage, 2 to 5 Points Calibration)

SKU: GT00Z100ZK
Key Features Portable Cupric ion meter, suitable for outdoor applications 2 to 5 point calibration, selectable concentration unit Large LCD
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Ion Meter for Chlorine Ion (High Accuracy)

SKU: GT00Z100ZS
  Key Features High performance portable chlorine ion meter is equipped with a large LCD display. 2 to 5 points
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Ion Meter for Calcium Ion (Multi-Mode Power, High Accuracy)

SKU: GT00Z100ZQ
  Key Features Portable calcium ion meter, suitable for outdoor applications 2 to 5 point calibration, selectable concentration unit Large
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Ion Meter for Cadmium Ion (Auto-Hold Function)

SKU: GT00Z100ZL
Key Features Portable Cadmium ion meter, suitable for outdoor applications 2 to 5 point calibration, selectable concentration unit Large LCD
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Ion Meter for Bromide Ion (Multiple Concentration Units)

SKU: GT00Z100ZO
  Key Features Portable Bromide ion meter, suitable for outdoor applications 2 to 5 point calibration, selectable concentration unit Large
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Ion Meter for Ammonium Ion (Outdoor Applications)

SKU: GT00Z100ZN
  Key Features High performance portable ammonium ion meter is equipped with a large LCD display. 2 to 5 points
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Ion Meter for Ammonia Ion (Temperature Compensation)

SKU: GT00Z100ZE
 
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Benchtop Ion Meter for Sodium Ion (High Accuracy)

SKU: GT00Z100ZD
Key Features High accuracy sodium ion meter is equipped with a large backlit LCD display. 2 to 5 points calibration
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Benchtop Ion Meter for Nitrate Ion (Multi-Mode Power)

SKU: GT00Z100Z9
Key Features Specifications   Key Features High accuracy Nitrate ion meter is equipped with a large backlit LCD display. 2
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Benchtop Ion Meter for Fluoride Ion (High Performance)

SKU: GT00Z100ZC
  Key Features Portable Fluoride ion meter, suitable for outdoor applications 2 to 5 point calibration, selectable concentration unit Large
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Benchtop Ion Meter for Cyanide Ion (2 to 5 Point Calibrations)

SKU: GT00Z100Z6
Key Features Specifications   Key Features High accuracy Cyanide ion meter is equipped with a large backlit LCD display. 2
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Benchtop Ion Meter for Chlorine Ion (Reset Function)

SKU: GT00Z100ZB
Key Features Specifications   Key Features High accuracy Chlorine ion meter is equipped with a large backlit LCD display. 2
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Benchtop Ion Meter for Calcium Ion (Storage Data)

SKU: GT00Z100ZA
Key Features Specifications   Key Features High accuracy Calcium ion meter is equipped with a large backlit LCD display. 2
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Benchtop Ion Meter for Bromide Ion (High Resolution)

SKU: GT00Z100Z8
Key Features Specifications   Key Features High accuracy Bromide ion meter is equipped with a large backlit LCD display. 2
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Benchtop Ion Meter for Ammonium Ion (Concentration Units)

SKU: GT00Z100Z7
Key Features Specifications   Key Features High accuracy Ammonium ion meter is equipped with a large backlit LCD display. 2
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COD-Ammonia Nitrogen Analyzer with High Optical Stability

SKU: GT00UL00ZW
Key Features Specifications   Key Features Cold and Monochromatic light source, excellent optical stability and cannot be interfered by all
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Ammonia Nitrogen Analyzer w High Temperature Accuracy

Key Features Specifications   Key Features Cold light and monochromatic light as light source, optics stability is much better, and
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Chemical Oxygen Demand Meter with High Accuracy

SKU: GT00UL00ZZ
GAOTek Chemical Oxygen Demand Meter comes high accuracy. It also work with coulometric titration method.
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GAOTek DO Controller Polarographic Sensor (10 Parameters Setting)

SKU: GT00XV00ZU
This DO Controller Polarographic Sensor (10 Parameters Setting) is designed for monitoring the dissolved oxygen concentration and saturation percentage in the water with 1 or 2 points calibration.
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GAOTek Dissolved Oxygen Meter with Salinity Correction (Reset)

SKU: GT00XV00ZW
This Dissolved Oxygen Meter with Salinity Correction (Reset) is designed to measure DO of the liquids in the range from 0.00 mg/L ~ 20.00 mg/L.
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GAOTek Dissolved Oxygen Meter with High Accuracy (Hold Function)

SKU: GT00XV00ZV
This Dissolved Oxygen Meter with High Accuracy (Hold Function) is designed to measure DO of the liquids in the range of 0.00 mg/L~20.00 mg/L.
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Dissolved Oxygen Meter with 9 Parameters (Portable)

SKU: GT00XV00ZX
GAOTek Digital manometer with USB interface measures pressure up to  10PSI with built-in low range and high range error indicator.
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Dissolved Oxygen Meter for Barometric Pressure (Salinity)

SKU: GT00XV00ZY
GAOTek Digital manometer with USB interface measures pressure up to  10PSI with built-in low range and high range error indicator.
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Conductivity Meter with TDS/Salinity Measuring (Storage)

SKU: GT00YZ00ZD
Key Features Specifications   Key Features Automatic Temperature Compensation provides accurate reading over the entire range. Calibration Due Reminder prompts
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Conductivity Meter with Salinity/DO Meter (Resolution)

SKU: GT00YZ00ZC
Key Features Specifications   Key Features Manual temperature calibration corrects temperature deviation.  Selectable temperature unit (°C or °F) meets different
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Conductivity Controller with TDS Measuring (Temp. Alarm)

SKU: GT00YZ00ZB
Key Features Specifications Key Features Economical online conductivity controller contains TDS measurement mode.  1 to 3 points calibration with automatic
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PH Meter with Temperature (High Resolution, Accuracy)

SKU: GT00Y400ZP
This pH Meter with Temperature (High Resolution, Accuracy) is designed to measure the solution’s PH and temperature value with manual and automatic temperature compensation.
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Multifunctional PH Meter (mV, CF, TDS, Temp, Conductivity)

SKU: GT00Y400ZQ
This Multifunctional PH Meter (mV, CF, TDS, Temp, and Conductivity) has multifunctional detection capability and can measure mV, CF, TDS, Temp, and Conductivity with replaceable electrode.
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PH Meter with ION (500 Data Store and Self-diagnostic)

SKU: GT00ZK00ZX
GAOTek PH Meter with ION detects PH and ION with high accuracy and stores 500 history data.
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ION Meter for Sodium (White/Multi-Parameter Measurement)

SKU: GT00Z100ZW
GAOTek ION Meter for Sodium detects sodium ion in the solution with high precision and performance reliably.
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ION Meter for Sodium (0.3 % Error/Monitoring)

SKU: GT00Z100ZU
GAOTek ION Meter for Sodium measures sodium ION concentration in solutions and monitors water quality. .
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Conductivity Meter With TDS and Salinity (Self-diagnostic)

SKU: GT00ZK00ZY
GAOTek Conductivity Meter with TDS/Salinity is an excellent choice to detect conductivity, TDS, and salinity effectively. .
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Ion Meter With Buffer (H+, Ag+, Na+, K+, NH4+, Cl-, F-)

SKU: GT00Z100YU
GAO Tek Ion Meter with Buffer offers technicians an efficient way to test different ion modes such as H+, Ag+, Na+, K+, NH4+, Cl- and F- effectively with a buffer to store data.
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Multi-Ion Meter With Power-Failure Protect ( H+,Ag+,Na+ )

SKU: GT00Z100YV
GAO Tek Multi-ION Meter with Power-Failure Protect offers users several ion modes such as H+, Ag+, Na+, K+, NH4+, Cl-.
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GAOTek Water Quality Meter

SKU: GT00YY00ZN
This multi-parameter follows GLP practice and can store 2200 sets of measuring data. It has three measurement modes continuous, timing, and balance mode.
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Conductivity Meter With Power-Off Protect (Salinity, TDS)

SKU: GT00YZ00Z5
GAO Tek Conductivity Meter with Power-off protection  is a cost-efficient device for field professionals to measure Salinity and TDS amounts reliably.
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Auto-Calibration Conductivity Meter (Salinity, Resistivity)

SKU: GT00YZ00Z4
GAO Tek Conductivity Meter with Auto-Calibration feature enables technicians to measure salinity, conductivity and resistivity levels accurately.
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Conductivity Meter With TDS (Temperature, Salinity)

SKU: GT00YZ00Z6
GAO Tek Conductivity Meter is designed to measure the Temperature, Salinity and TDS  and Conductivity levels accurately and effectively.
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Conductivity Meter with Temperature (High purity water)

SKU: GT00YZ00Z7
GAO Tek Conductivity Meter with Temperature and Conductance sensor is designed for technicians to test purity of water effectively.
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Portable Conductivity Meter With DJS-1C (High Purity Water)

SKU: GT00YZ00YY
GAO Tek Portable Conductivity Meter with DJS-1C conductance sensor is used by technicians to test purity water level effectively.
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