Software Version C
- 145 -
optek-converter C4101 Version 07.2009_1.2US, 23.07.2009
www.optek.com
Performing new
calibration
1. Perform point 1 to point 3 mentioned above.
2. Select the NEW value in the CALIBRATION menu item and press [ENTER].
The cursor moves to the 0 % menu item.
3. Connect the power source. The converter displays the measured value in
the ACTUAL column.
4. Set the power source to 4.00 mA and press [ENTER] after 5 seconds. The
value 0 % is assigned to the actual value.
5. The cursor moves to the 80 % menu item.
6. Set the power source to 16.80 mA and press [ENTER] after 5 seconds. The
value 80 % is assigned to the actual value.
7. The converter calculates new calibration data.
8. For checking the calibration items, you can use the
or arrow keys.
9. Save the setting.
If the system zero point deviates by more than 1 mA and slope by more than
15 %, a hardware failure may have occurred and saving is impossible. Reset
calibration to the factory settings.
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