Amzwave pH meters, 3-in-1 Digital pH Meter with ATC, ±0.1 pH Accuracy Water Quality Tester, 0-14.0 pH Measurement Range

3 Modes in 1: With the Amzwave 3-in-1 pH meter, you can accurately measure pH, TDS and temperature values to discover your water quality and ensure your family’s health. Automatic Calibration: Featuring three-point calibration, the Amzwave pH pen can automatically identify calibration solutions of pH 4.01, pH 6.86 and pH 9.18. High Accuracy: Highly sensitive probe gives you a full measurement range of 0-14 pH, 0.01 pH resolution; pH tester digital green backlit display ensures you can read the measuring results under any conditions. Automatic Temperature Compensation: With the Amzwave pH meter’s accurate ATC, pH / TDS / EC / temp function can accurately read sample values across a broad temperature range of 32 °F-140 °F; Solve the problem of inaccurate measurements caused by changes in liquid temperature.