pH and Ion Meter digital counter microprocessor, resolution ± 0.1 / 0.01 / 0.001 pH . Large backlit color graphic display. Manual or automatic temperature compensation with NT 55 probe . Manual and automatic data logger function . Memory / recall up to 1000 data with date / time according to GLP . Automatic calibration from 1 a5 points for pH according to GLP with date and time . Buffers selectable NIST, USA, DIN or user definable (5 values). ISE calibration from 2 to 5 points. Calibration report and innovative graphical representation of sensor conditions. Visualization on the display of the buffers used for calibration and of the electrode status. Intuitive management of parameters via icons . Multilingual menu. Entering company data, operator ID, sample ID and sensor ID via external keyboard (included). Functions for setting alarms and display in analogue format, “Freeze-reading” and “Stability” with titration mode and timed stability for ISE. Recalibration alarm, self-diagnosis messages. Passwordalphanumeric for calibration management and memory deletion. 2 USB outputs for connecting external keyboard (included) and PC. RS232 port for printer