B&C CL 7685 - Page 24

B&C Electronics CL 7685
Operator’s Manual - Rev. C - 05/05
- 24 –
IMMEDIATE CALIBRATION
This mode of calibration is useful when the concentration of the sample is stable and the value is
known.
The instrument shows for a few seconds the following message:
_
|IMMEDIATE CAL |
Then it will show the measuring value:
_
|CAL CL: 0.80 ppm| (ClO
2
-O
3
)
CL 0.80: actual value
[MODE] to stop the procedure and to go back to D1
[/\]+[\/]+[ENT] press the three keys to turn to factory calibration
2A. [/\]+[\/] to set the value
3A. [ENT] - to confirm the selected value
- to go back to D1
MESSAGE FUNCTION
_
| UPDATE | the calibration is accepted
Error messages
_
|SENS > 250.0% | Sensitivity > 250.0%
_
|SENS < 12.5%
| Sensitivity < 12.5%
The above messages will last for 5 minutes
[ENT] to acknowledge the error messages
_
| NO UPDATE
| calibration is not accepted
POSTPONED CALIBRATION
This mode of calibration is useful when the value of Chlorine (ClO
2
/O
3
) on water is unstable or when
an immediate test is not available.
The instrument shows for a few seconds the following message:
_
|SAMPLE VAL. REC.
|