MICROPROCESSOR PH METER 1, pH meter is most commonly used to determine the Microprocessor pH value of unknown solution. 2, 3-point push button calibration with auto-buffer recognition. 3, Automatic Slope value calculations as all model is Microprocessor based. 4, Automatic Temperature Compensation (ATC) ensures highly accurate measurements over the entire range. 5, Expanded memory stores and reading to recalls. Specification Type: Microprocessor Based Display: 16 x 2 Alphanumeric pH Range: 0.00 to 14.00 pH Resolution: 0.01 pH mV: 0 to 1000Mv Resolution: 0.1 mV Temperature: 0 to 100 C Resolution: 0.1 C Accuracy: ± 1% Temperature Compensation: Automatic Auto Buffer Recognition: 4.00, 7.00, 9.20 Calibration: 3 Point Memory: Storage of 100 Samples Keypad: Soft Touch Keys Dimension: 275 x 187 x 94 mm Power Supply: 220V ± 10 V AC