This Ammonium ion sensor has a consists of a measuring range of 0.1 ppm to 18000 ppm, resolution of 0.001 ppm and accuracy of ± 1 %

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.

GAOTek handheld digital ion meter with precise and practical design concept, Simple operation, powerful functions, complete measuring parameters, wide measurement range.

This Handheld Digital PH Meter has IP64 waterproof case, 32 °F to 122 °F if operating environment and 115 V AC or 230V AC adapter of power.

This Handheld Portable Ion Meter has 100 sets for each parameter of data capacity, 0.00 pH to 14.00 pH of pH range, and LCD display screen waterproof.

GAOTek is used to monitor the ion concentration in water in real time, bromine or cadmium or chlorine or copper or fluorine or iodine or lead or potassium or ammonium or nitrate or ion.

GAO Tek Ion Selective Electrode is made of potassium ion selective electrode based on PVC film, which is used to test the potassium ion content in water, with temperature compensation, to ensure that the test is fast, simple, accurate and economical.

GAO Tek Ion Selective Electrode is made of potassium ion selective electrode based on PVC film, which is used to test the potassium ion content in water, with temperature compensation, to ensure that the test is fast, simple, accurate and economical.

GAOTek online water quality meter can be used to determine the mass of nitrate ions (NO3) in water.

GAOTek multiparameter tester meter is used for portable and rapid detection of toxic and hazardous gas concentration, temperature and humidity measurement and alarm.

GAOTek portable ion meter is an electrochemical analyzer used to measure the ion concentration in a solution.

This Portable Ion Meter has IP57 dustproof and waterproof of protection grade, Two AA batteries (1.5 V x 2) of power, and 200 sets of data storage.