Handheld Water Quality Testers

GAO Tek handheld water quality testers are portable devices designed to assess the quality of water in various settings. these compact tools are equipped with sensors and technology to quickly and efficiently measure different parameters, providing valuable insights into the safety and cleanliness of water sources. The key features and benefits of handheld water quality testers are portability, convenience, real-time monitoring, versatility, field applications, cost-efficiency, and battery operated.
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Showing 1–24 of 46 results

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 

GAOTek Aquaculture Water Quality Detector

SKU: GAOTek-HWQT-407
This Aquaculture Water Quality Detector has dissolved oxygen of 0 mg/L to 12 mg/L, salinity range of 1.00 to 1.060, and detection time of 180 s.

GAOTek Conductivity Probe

SKU: GAOTek-HWQT-209
GAOTek conductivity probe is an online water quality monitor with a microprocessor.

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 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 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 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 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.

GAOTek Monitoring Sensor Controller

SKU: GAOTek-HWQT-207
GAOTek monitoring sensor controller is an intelligent on-line water quality analysis instrument.

GAOTek Monitoring System

SKU: GAOTek-HWQT-204
GAOTek turbidity sensor is a kind of non-contact, high reliability, high cost performance, easy installation and maintenance of material level measuring instrument.

GAOTek Multi Parameter Water Quality Meter

SKU: GAOTek-HWQT-253
This Multi Parameter Water Quality Meter has a pH range is 0 pH to 14 pH, conductivity of 1 to 200000 μS/cm, and power supply of 6 V DC to 12 V DC.

GAOTek Multi-Parameter Water Quality Tester Detector

SKU: GAOTek-HWQT-227
This Multi-Parameter Water Quality Tester has Light Emitting Diode (LED), Test Range of 0 mg/L to 2.50 mg/L, and 525 nm wavelength.

GAOTek Nitrate Ammonia Water Quality Tester

SKU: GAOTek-HWQT-223
This Nitrate Ammonia water quality tester has a 1.06 in x 1.77 in LCD screen, salinity compensation of 0 ppt to 42 ppt, and temp accuracy of ±0.9 °F.

GAOTek Online Turbidity Sensor

SKU: GAOTek-HWQT-301
This Online turbidity sensor has source of 12 V to 24 V DC ± 10 %, power dissipation of < 0.3 W at 12 V and levels of protection of IP 68.

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.

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.

GAOTek Portable DO Meter Water Quality Tester

SKU: GAOTek-HWQT-225
This GAOTek Portable DO Meter water quality tester has a measuring range of  0 to 20 mg/L(ppm), response time of ≤30s, and ambient humidity of ≤85%.

GAOTek Portable pH Conductivity Water Multi Parameter Meter Analyzer

SKU: GAOTek-HWQT-226
GAOTEK Portable pH Conductivity Water Multi Parameter Meter Analyzer is divided into simple analysis, full analysis and special analysis of three.

GAOTek Portable Turbidimeter

SKU: GAOTek-HWQT-250
GAOTek Portable Turbidimeter has an innovative mode called Rapidly Settling Turbidity.

GAOTek Portable Turbidity Meter

SKU: GAOTek-HWQT-210
This Portable turbidity meter has a measurement method is ISO 7027 nephelometric method, range is 0 NTU to 1100 NTU and resolution is 0.01.