Hãng sản xuất: HANNA - ÝRangepH0.00 to 14.00 pH ORP±1999 mV Temperature0.0 to 100.0°CResolutionpH0.01 pH ORP1 mV Temperature0.1°CAccuracypH±0.01 pH ORP±1 mV Temperature±0.4°C (excluding probe error)pH Calibration manual, 2 point, through trimmers, ...