4/3/2 in 1 Optional PH ORP H2 Temperature Hydrogen-Rich Meter Water Quality Puri
Accurate, easy to operate, easy to carry, drinking plenty of water rich in hydrogen ions is good for health. 3 in 1 ORP H2 Temperature Hydrogen Ion Concentration Tester. Accuracy: ±0.05pH. Range: 0.01-14.00pH.