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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ID: GAOTEK-PHM-153

GAOTek  portable ph meter is a perfect combination of advanced electronic technology, sensor technology, and software design.
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ID: 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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ID: 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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ID: 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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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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ID: 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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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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ID: 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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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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ID: 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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ID: GAOTek-WQT-127

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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: GAOTek-WQT-208

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ID: 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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ID: 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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ID: GAOTek-INM-110

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ID: 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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ID: GAOTek-WQT-167

GAOTek Digital Multi-Parameter Water Quality Analyzer represents a significant advancement in water testing instruments.
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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: GAOTek-WQT-111

GAOTek digital water quality tester utilizes a photoelectric colorimetric method and features a self-developed filtration system.
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ID: 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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ID: 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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ID: 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 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: GAOTek-INM-107

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ID: 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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ID: 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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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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ID: 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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ID: GAOTek-PHM-110

GAOTek Handheld pH Meter is a portable pH meter designed for laboratory use.
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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: GAOTek-WQT-143

GAOTek Hydroponic Dosing Water Quality Tester is developed based on guaranteeing the performance and the functions.
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ID: 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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ID: 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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ID: 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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ID: 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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ID: GAOTek-INM-102

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ID: 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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ID: 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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ID: 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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ID: 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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ID: GAOTek-INM-169

GAOTek Ion meter, 5 points calibration, automatic help message displays.
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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: GAOTek-WQT-162

GAOTek Lab Tester Water Quality Analysis, encompassing a wide range of essential measurements for comprehensive assessment
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ID: 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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ID: 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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ID: 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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ID: GAOTek-INM-104

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ID: GAOTek-WQT-148

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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: 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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ID: GAOTek-WQT-161

GAOTek Multi-Parameter Water Quality Analyzer product is specially designed for on-site rapid detection
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ID: GAOTek-WQT-206

GAOTek Multi-Parameter Water Quality Analyzer represents a significant advancement in water testing instruments.
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ID: 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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ID: 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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ID: GAOTek-WQT-172

GAOTek Multiparameter Water Quality Monitoring presents a comprehensive and advanced solution for real-time water quality assessment.
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ID: 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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ID: 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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ID: 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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ID: GAOTek-WQT-169

GAOTek Online Water Hardness Meter is the latest micro-computer based high-end instrument.
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ID: 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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ID: 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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ID: 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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ID: 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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ID: GAOTek-WQT-170

GAOTek Online Water Quality Sensor Test Meter offers a compelling solution for efficient and comprehensive water quality analysis.