Showing 25–48 of 137 results

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.

GAOTek Digital Multi Parameter Water Quality Analyzer

SKU: GAOTek-HWQT-401
This Water Quality Analyzer has pH range of -2.00 pH to 20.00 pH, mV range of -1999.9 mV to 1999.9 mV, and salinity measuring range of 0 to 8%.  

GAOTek Digital Multi Parameter Water Quality Analyzer

SKU: GAOTek-WRWQT-222
This Digital Multi Parameter Water Quality Analyzer has a measuring range of -2 to 20 pH/pX, response time of ≤45 s, and resolution ORP of 0.1 mV. 

GAOTek Digital Multi-Parameter Water Quality Analyzer

SKU: GAOTek-DLWQ-212
This digital multi parameter water quality analyzer test has a pH range of -2 pH to 20 pH, mV range of -1999.9 mV to 1999.9 mV.

GAOTek Digital PH Indicator

SKU: GAOTek-BWQT-408
GAO Tek digital PH indicator device is PH Meter with large screen, blue backlight and double-row digital LCD.

GAOTek Digital Portable Water Hardness Meter Tester

SKU: GAOTek-DLWQ-217
This digital portable water hardness meter tester has a water hardness range 0 to 1404 °e, accuracy of 1 % F.S, mV range of -1999.9 to 1999.9 mV.

GAOTek Digital Tester With Electrode

SKU: GAOTek-BWQT-232
The Digital Tester with Electrodes has 1 or 2 points calibration; the setup menu contains 9 optional parameters, and a 0.2 mg / L accuracy.

GAOTek Digital Water Quality Meter

SKU: GAOTek-BWQT-235
The Digital Water Quality Meter has accuracy of 1 %, calibration point of 3 points and 0.0 ppt to 80.0 ppt measuring range salinity.

GAOTek Do Sensor Do Probe

SKU: GAOTek-HWQT-307
This Do sensor do probe has accuracy of + or - 0.1 mg per L + or - 0.1 ppm + or - 1 %, resolution, 0.01 and frequency of recommended measure of > 5 s.

GAOTek Do Sensor Probe

SKU: GAOTek-HWQT-304
This Do sensor probe has a measuring range of 0 mg to 20 mg per L, accuracy of 0.01 mg per L and the response current in the air of about 60 nA.

GAOTek Freshwater Aquaculture Water Quality Tester

SKU: GAOTek-HWQT-231
This Freshwater Aquaculture Water Quality Tester has a D.O. accuracy of <3%, power of <0.5 W, and stainless steel/ titanium sensor material.

GAOTek Handheld Multiparameter Water Quality Meter Analyzer

SKU: GAOTek-HWQT-222
GAOTek Handheld Multiparameter Water Quality Meter Analyzer is a portable multi-parameter water quality monitoring instrument used for testing water quality.

GAOTek Handheld Water Quality Analyzer

SKU: GAOTek-HWQT-308
GAOTek handheld water quality analyzer is a new generation of water quality analyzer developed for environmental protection, industrial and mining enterprises, schools, and scientific research institutes.

GAOTek High Precision Water Quality Monitor Tester

SKU: GAOTek-DLWQ-209
This high precision water quality monitor tester has a pH measurement range -2.00 to 19.99, pH resolution 0.01, pH relative accuracy 0.02.

GAOTek Hydrometer Density Meter

SKU: GAOTek-BWQT-301
GAOTek hydrometer density meter is manufactured by standards of ISO3675: 1998, used for density measurement on crude oil and petroleum products in liquid state or other compound at 68 °F (20 ℃) (if independent refrigerator for temperature control is not applied, apparent density of samples can be measured at other temperatures, then converted into standard density at 68 °F (20 ℃) as per the petroleum gauges).

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.

GAOTek IEC Water Test Device

SKU: GAOTek-HWQT-212
GAOTek IEC water test device IPX 3 or 4 is a hand-held test device to verify protection against spraying and splashing water.

GAOTek Industrial Water Salinity Tester

SKU: GAOTek-RWQT-201
This Industrial Water Salinity Tester has screen display backlight type large LCM display, power supply 100 V to 240 V AC, 50 HZ or 60 HZ, and installation wall, disk, hanging.

GAOTek Instrument Probe

SKU: GAOTek-HWQT-305
This Instrument probe has signal isolation, 4 mA to 20 mA signal output, hole size of 3.62 in to 3.62 in (92 mm x 92 mm) and relay, 3 A or 220 V AC.

GAOTek Lab Tester Multi-Parameter Water Quality

SKU: GAOTek-DLWQ-210
This lab tester multi-parameter water quality has a pH/pX range -2 pH to 20 pH, pH resolution of 0.1, 0.01, 0.001pH, pH accuracy of ±0.002 pH.

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

GAOTek Laboratory Acidity Meter

SKU: GAOTek-BWQT-223
This Laboratory Acidity Meter, Adopts DC 9 V of power, Uses 100 sets of data storage and IP54 water and dust proof of protection class.

GAOTek Laboratory Acidity Meter

SKU: GAOTek-BWQT-224
This Laboratory acidity meter has works 32 °F to 212 °F of temperature compensation, use ± 0.01 pH of accuracy and 1 to3 points of calibration points.

GAOTek Measuring Canal Water Flow Meter

SKU: GAOTek-HWQT-211
This Measuring canal water flow meter has a flow accuracy is 5 % , blind spot is 0.06 m to 2 m and protection class is IP65 and probe material is ABS.