ORP Pocket tester ORP57

•Automatic Temperature Compensation (ATC)
•1000 mV/ -5.0 to 60.0°C, Accuracy 1 mV
•Waterproof
•ORP Electrode with Built in Temperature Sensor
•ORP Range: ±1000mV
•Temperature Range: -5.0 to 60.0°C / 23.0 to 140.0°F
•Easy to use
•Replacement electrode available
•Large Display
•Factory Calibrated