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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