pH Range 0.00 to 14.00 pH mV Range ± 1999 mV pHpH Resolution 0.01 pH mV Resolution 1 mVpH mV Resolution 1 mV pHpH Accuracy (@20°C/68°F) ±0.01 pHmV Accuracy (@20°C/68°F) ±1 mVCalibration Manual, two pointTemperature Compensation Manual, 0 to 100°C (32 ...