Digital 2 In1 PH Temperature Water Quality Tester Backlight Hydroponics PH Meter
Resolution: pH 0.01PH, Temperature 0.1°C (0.2°F). Accuracy: ±0.1pH, Temperature ±1.0°C. Range: pH 0.00-14.00, Temperature 0℃-50℃ (32°F-122°F). All readings go through automatic temperature compensation (ATC).