Spesification | pH, oxidation-reduction potential (ORP) with Temp Measurements, Measurement Range -5 °C - 110 °C; -2.00 - 16.00 pH; -2000.00 - +2000.00 Mv, Measurement Resolution 0.1 °C; 0.01 pH; 1 mV Accuracy ± (mV) 1 mV, Working Environment 5°C - 40°C, 80%RH, non-condensing |