Digital microprocessor based pHmeter and Ionometer, 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 to 5 points for pH according to GLP with date and time. Selectable buffer NIST, USA, DIN or user-definable (5 values). ISE calibration from 2 to 5 points. Calibration report and innovative graphic representation of the sensor conditions. Display on the display of the buffers used for calibration and electrode status. Intuitive management of parameters via icons. Multilingual menu. Enter company data, operator ID, sample ID and sensor ID via external keyboard (included). Alarm setting and display functions in analogue format, "Latch-reading" and "Stability" with titration mode and time stability for ISE. Recalibration alarm, self-diagnosis messages. Alphanumeric password for calibration management and memory cancellation. 2 USB outputs for external keyboard connection (included) and PC. RS232 port for printer connection.