Hach-Lange UVAS sc - Manual (Page 24)

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Operation
10. Confirm FACTOR: X.XX.
11. Confirm WHEN STABLE PRESS ENTER X.X.
12. Press FINISH and confirm.
13. Press the back-button to leave the menu CALIBRATE.
14. Immerse sensor at the measuring location and confirm RETURN PROBE TO
PROCESS.
15. Confirm READY. Automatic wiping action and back to measurements.
4.6 Adjusting measured values
If the comparative measurements in the laboratory do not provide adequate
agreement with the measured values from the probe, electronic measured value
adjustment (zero point and factor) can be performed as a provisional measure
until the next customer service visit.
The settings should also only be made when a zero point check after cleaning the
measuring window and the verification have been unsatisfactory.
4.6.1 Zero point adjustment
1. Open the MAIN MENU.
2. Press SENSOR SETUP and confirm.
3. Press SELECT SENSOR (if there is more than one sensor) and confirm.
4. Press CALIBRATION and confirm.
5. Press OFFSET and confirm.
6. Make a manual zero point offset by editing xx mE and confirm.
7. Press the back-button to leave the menu CALIBRATE.
8. Immerse sensor at the measuring location and confirm RETURN PROBE TO
PROCESS.
9. Confirm READY. Automatic wiping action and back to measurements.
4.6.2 Setting factor
1. Open the MAIN MENU.
2. Press SENSOR SETUP and confirm.
3. Press SELECT SENSOR (if there is more than one sensor) and confirm.
4. Press CALIBRATION and confirm.
5. Press FACTOR and confirm.