Ohaus Starter 300 Portable Ph Meter (ST300-G) Kit, 0.00 - 14.00 pH; -1999 - 1999 mV; 0 - 100 degC; Accuracy: 0.01 pH; 1 mV; 0.5 degC, Each

Accuracy ± (mV) - 1 mV; Accuracy ± (Temperature) - 0.5 °C; Battery Life - 500 Hours with Disposable Batteries; Calibration - 3 Point; Dimensions - 1.38 in x 6.69 in x 3.54 in (33 mm x 170 mm x 90 mm) (HxLxW); Measurement Range (Temperature) - 0 °C – 100 °C; Measurement Range - -1,999 mV – 1,999 mV; Net Weight - 0.35 lb (0.16 kg); Parameter - pH / ORP; pH accuracy (±) - 0.01; pH measuring range - 0 – 14; pH resolution 0.01; Resolution (Voltage) - 1 mV; Temperature Compensation - Automatic; Temperature Resolutiion - 0.1 °C; Temperature Sensor - 30 KO NTC; Working Environment - 41°F – 104°F, 80%RH, non-condensing (5°C – 40°C, 80%RH, non-condensing)