PH981033 pH Tester The PH981033 is a portable instrument for measuring the pH value of liquids, with units including pH and temperature, enabling parameter measurement in specific environments. Main Technical Parameters: Range 0.00~14.00pH 0.0~50.0°C (32.0~122.0°F) Resolution 0.01pH 0.1℃ (0.1℉) Accuracy ±0.2pH ±1.0°C (±1.5°F) Calibration Method Automatic Calibration Automatic Temperature Compensation 0℃~50℃ Battery 1x3V (CR2032) Operating Environment 0℃~50℃, humidity less than 95% Dimensions 50*205*22mm