Range PH:0.0014.00 mV:0±1999mV :0100Resolution PH:0.01PH mV:1mV :0.1Accuracy PH:±0.01PH mV:±1mV :±0.4Calibration: 1point or 2pointA T C: 095Power: DC9V/200mA  or  Rechargeable batteryOperating Conditions Temperature: 560    Humidity: 95% maximumDimensions: 208×200×76mmWeight: 480g

water testing monitor