Waterproof Pocket pH Tester

Hold Function: When measure the sample solution, you need freeze reading temporarily for easy viewing. Waiting for a stable reading, press HOLD key, then the meter will freeze the value. Automatic Temperature Compensation: PHscan30 with temperature sensor, you can view temperature value through temperature key. The meter with automatic temperature compensation for accurate reading under changing conditions.Replaceable Electrode: Thelife of electrode is about one year due to its chemical properties, it will influence measurement accuracy if using more than one year. The meter with double junction sensor, you can replace it easily.Auto-Power Off: PHscan series will turn itself off approximately 8 minutes after last key pressed, it saves battery power after non-use.Waterproof Function: The meter with good waterproof performance, It can float on water.2 Points Push-Button Calibration: PHscan series with 2 points calibration function, it will prompt pH calibration point when you calibrate the meter. You need only immerse the pH electrode into standard buffer solution and press ENTER key, then the meter will be calibrated automatically.What's included: Meter, pH buffer, Alkaline button cell batteries.Specifications:MModel PHSCAN10PHSCAN20PHSCAN30pH Range0.0 14.0pH0.0 14.0pH0.00 14.00pHpH Accuracy±0.2pH±0.1pH±0.05pHResolution0.1pH0.1pH0.01pHTemperature Range------0 60oCTemperature Accuracy------±1oCTemperature Compensation------0 60oC, ATCCalibration Points2 PointsBuffer SetNIST(pH4.00/6.86/9.18)USA(pH4.01/7.00/10.01)Auto-Off8 minutes after last key pressedOperating Temperature0 60oCPower Requirements3×1.5V alkaline button cell batteriesBattery LifeApprox. 150 hours of continuous useDimensions180(L)mm×30(Dia.)mmWeight85g