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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Benchtop pH/Conductivity Meter

SKU: GAOTek-CMTM-229
This Benchtop pH/Conductivity Meter has pH accuracy ±0.002pH,
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GAO Tek Benchtop Water PH Indicator

SKU: GAOTek-BWQT-401
This Benchtop water pH indicator has a Calibration of 1 point to 5 points, a Display of 5 Inch LCD and the DC 9 V to 12 V of power supply.
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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 0 to 14 LCD Digital Pocket Pen pH Tester – Accuracy ± 0.02 pH

SKU: GAOTek-PHM-175
The 0 to 14 LCD Digital Pocket Pen pH Tester provides accurate pH measurements with ±0.02 accuracy, featuring a compact design for convenient, on-the-go testing.
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GAOTek 2 Points Calibration PH Meter

SKU: GAOTek-MPCP-211
GAOTek 2 Points Calibration pH Meter, is a commonly used equipment, mainly used to accurately measure the pH value of the liquid medium.
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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 3 Point Calibration pH Meter

SKU: GAOTek-MPCP-239
This 3 Point Calibration pH Meter has ±0.002pH of accuracy, -2 pH to 20 pH measuring range, and 0.1 pH, 0.01 pH, 0.001pH resolution.
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GAOTek 300 M Steel Rule Portable Water Level pH Meter – High accuracy

SKU: GAOTek-PHM-284
The 300 M Steel Rule Portable Water Level pH Meter offers high accuracy in measuring water levels and pH, ensuring precise and reliable data for various applications.
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GAOTek 8-Points Calibration PH Meter

SKU: GAOTek-MPCP-208
This 8-points calibration pH Meter has a pH range of -2 pH to 20 pH, mV or ORP resolution of 0.1 mV, 0.01 mV, and a temperature accuracy of 0.1.
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GAOTek Accuracy Benchtop PH Meter

SKU: GAOTek-MPCP-219
This Accuracy Benchtop pH Meter has a pH range of -2 pH to 20 pH, a pH resolution of 0.001 pH, and an mV range of -1999.9 mV to 1999.9 mV.
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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 Advanced Portable Lab Conductivity Meter

SKU: GAOTek-LCM-239
This Advanced Portable Lab Conductivity Meter has a pH range of -2.000 pH to 20.000 pH, pH accuracy of ±0.002 pH, and mV accuracy of ±0.2 mV.
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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

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 All-in-one Portable Digital pH Meter Pen and Pocket Tester – High accuracy at 0.1 pH

SKU: GAOTek-PIT-107
The All-in-one Portable Digital pH Meter Pen and Pocket Tester offers high accuracy at 0.1 pH, providing reliable and convenient water quality testing in a compact design.
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GAOTek Ammonia Detector Sensor

SKU: GAOTek-HWQT-208
The Ammonia detector sensor has a measurement range 0 mg per l to 1000 mg per l (ppm), 70 % to 130 % slope reading and -50 mV to 50 mV zero potential 
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GAOTek Ammonia Ion Meter

SKU: GAOTek-LRIM-210
This Ammonia Ion Meter has a pH range of - 2.000 ph to 20.000 ph, temperature range of 41 °F to 266 °F, and 0.1 mv to 0.01 mv resolution.
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GAOTek Ammonium Ion Nitrate Sensor

SKU: GAOTek-HIM-204
The Ammonium Ion Nitrate Sensor has a measuring range of 0.1 ppm to 18000 ppm, a resolution of 0.001 ppm, and 32 °F to 122 °F of Temp measure range.
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GAOTek Ammonium Ion Sensor

SKU: GAOTek-WQIM-414
The Ammonium Ion Sensor has a measured range of 0 mg/L to 1000 mg/L, accuracy of ± 2.5 %, resolution of 0.1 mg/L, and 4 mA to 20 mA of output signal.
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GAOTek Analyzer pH Meter

SKU: GAOTek-MPCP-238
This Analyzer pH Meter with 3 Point Calibration has -2 pH to 20 pH measuring range, ±0.002 pH accuracy, and 0.1 pH, 0.01pH, 0.001pH resolution
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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 Aquarium Dissolved Oxygen Sensor Meter Portable Dissolved Oxygen pH Meter Water Oxygen Tester – Protection level IP68

SKU: GAOTek-PHM-173
The portable Aquarium Dissolved Oxygen Sensor Meter measures dissolved oxygen and pH levels in water, providing accurate, real-time data for maintaining optimal aquatic conditions.
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