pH:Range -2.0 to 20.0 pH / -2.00 to 20.00 pH / -2.000 to 20.000 pHResolution 0.1 pH / 0.01 pH / 0.001 pHAccuracy ±0.1 pH / ±0.01 pH / ±0.002 pHTemperature:Range -20.0 to 120.0 °C (-4.0 to 248.0 °F)Resolution 0.1 °C (0.1 °F)Accuracy ±0.4 °C (±0.8 °F) (excluding probe error)mV:Range ±2000.0 mVResolution 0.1 mVAccuracy ±0.2 mVpH Calibration:Up to five point calibration, seven standard buffers available (pH 1.68, 4.01, 6.86, 7.01, 9.18, 10.01, 12.45), and five custom buffersSlope Calibration:From 80 to 110%Temperature Compensation:Automatic pH Electrode FC2323 pH & temperatureLOG:On demand, 200 samples (100 pH and 100 mV)Input Impedance:10¹² ΩBattery Type/Life:1.5V AA batteries (4 pcs.) / approx. 200 hours of continuous use without backlight (50 hours with backlight)Auto Power Off:User selectable: 5, 10, 30, 60 minutes or disabledPC Interface:opto-isolated USBDimensions:185 x 93 x 35.2 mm (7.3 x 3.6 x 1.4”)Weight: 400 g (14.2 oz)Environment:0 to 50 °C (32 to 122 °F) max. RH 100% IP67
