Hãng sản xuất: HANNA - ÝRangepH0.00 to 14.00 pHResolutionpH0.01 pHAccuracypH±0.01 pHpH Calibration manual, two point, through trimmers (offset ±1 pH; slope: 85 to 105%)Temperature Compensation manual, 0 to 100°C (32 to 212°F)pH Electrode HI 1230B PEI ...