B&C CL 7685 Operator's Manual page 23

B&C Electronics
3. [CAL]
4. choose one of the following actions:
[MODE]
[ENT]
[/\]+[\/]+[ENT] press the three keys to turn to factory calibration
[ENT]
Sensitivity calibration
[MODE]
[ENT]
1. [CAL]
The Sensitivity calibration is suggested when the readout is very low compared with the DPD test.
This adjustment must be effected when installing the flow cell and Chlorine or D.Ozone sensor after
the stabilization of the readout.
The instrument features two calibration mode: Immediate and Postponed
Operator's Manual - Rev. C - 05/05
to access the zero calibration routine
|CAL ZERO: 0.5 |
0.5: Current value from sensor
to stop the procedure and to go back to D1
to confirm the selected zero of the cell
MESSAGE
| UPDATE
Error message
|Z > 2µA
The above messages will last for 5 minutes
to acknowledge the error messages
| NO UPDATE
|SENS: 100.0 %
to go back to D1
- to confirm the displayed value
- to go back to D1
to access the sensitivity calibration routine
_
FUNCTION
_
the calibration is accepted
|
_
Zero > 2µA
|
_
calibration not accepted
|
_
Sensitivity visualization
|
CL 7685
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23