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Rev. 1.0 30.01.2020
• ORP Parameter Setup
• In measure mode press the key to access the SETUP menu.
• Use the directional keys to move to ORP SETTINGS P2.0 and access the menu by pressing the key
.
• Move with keys and to select the program to access.
The table below shows the setup menu structure for the ORP parameter; for each program there are the
options that the user can choose and the default value:
• Composition of the setup Menu for the ORP Parameter
P2.6 Calibration data
Access this menu to get information on the last calibration performed. The screens with the sensor offset
value and the temperature at which the calibration was performed will scroll on the display.
P2.8 Reset of the ORP Parameter
If the instrument does not work perfectly or incorrect settings have been made, confirm YES with the key
to return all the parameters of the ORP menu to the default settings.
P2.9 Temperature calibration
All the instruments in this series are pre-calibrated for a correct temperature reading. However, if a
difference between the measured and the real one is evident (usually due to a probe malfunction), it is
possible to perform an offset adjustment of + 5°C.
Use the keys and to correct the temperature offset value and confirm with .
• ORP automatic calibration
Automatic calibration with 475 mV
• In ORP measurement mode press the key to enter the calibration mode.
• The string “POINT ORP 475” appears on the display; the device requires 475 mV as calibration point.
• Rinse the electrode with distilled water and gently dab it with paper towel. Dip the electrode in the
475 mV Redox buffer solution.
• When the solution is recognized and the signal is stable, the red stripes are replaced by the stability
icon .
• Press the key as indicated by the string “PRESS OK”.
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