PH981033 pH Tester The PH981033 is a portable instrument used for measuring the pH value of liquids, with units including pH and temperature, enabling parameter measurement in specific environments. Main technical parameters: Range 0.00~14.00 pH 0.0~50.0°C (32.0~122.0°F) Resolution 0.01 pH 0.1°C (0.1°F) Accuracy ±0.2 pH ±1.0°C (±1.5°F) Calibration method Automatic calibration Automatic temperature compensation 0°C~50°C Battery 1×3V (CR2032) Operating environment 0°C~50°C, humidity less than 95% Dimensions 50×205×22 mm