CPR Touch XL, Control Unit
Index: 03 Date modified: 22/06/2022
OI No.: BA MR 001-03 Steuereinheit CPR Touch XL EN.docx
Page 45 of 70
Main menu
Calibration
Phenol red
Carry out the calibration according to the instructions.
Please observe the displayed notices and follow the menu
navigation.
The set deviation is displayed as offset at the end of the menu.
In case of minor deviations, the calibration is adopted
immediately.
In case of deviations larger than +/- 41 mV, a cleaning notice
is displayed.
In case of deviations larger than +/- 61 mV, the exchange of
the
pH electrode
is suggested. If the calibration is rejected
with an error notice, the device continues the control using
the values from the most recent successful calibration. If the
exchange of the electrode does not remedy the problem,
the fault may be with the electrode cable or the measuring
amplifier.
