Measuring range: 0.00 ... 14.00 pH
Measurement accuracy: ± 0.1 pH (at 20 °C / 68 °F), ± 0.2 pH
Resolution: 0.01 pH
Adjustment: Manual one-point adjustment
Power supply: 3 x 1.5 V (LR44 AG-13 battery)
Working environment: 0 ... 50 °C / 32 ... 122 °F
Dimensions: 175 x 51 x 25 mm / 6.8 x 2 x 0.9"
Weight: ca. 57 g / 2 oz.