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6 Commissioning / Shutdown
6.4.3
Calibration of the O
Menu function
value with reference measurement
2
Alternatively, calibration may also be performed with test gas.
NOTE:
During reference measurement, take into consideration whether the measuring
device is measuring wet or dry. In devices with an upstream measuring gas cooler,
the measurement is always dry. The same applies to devices that draw out the
humidity using a chemical substance. The KS1-D probe measures damp. The
difference between wet and dry measurement can be seen in the graph in the
appendix.
NOTE:
The calibration/check with reference measurement only works with O2 values < 18%.
When you press the [cal] menu key, "Start calibration" appears in the display.
After you have activated calibration, select
Calibration/check with reference measurement
•
When calibration with reference measurement starts, there is a waiting time of 5
seconds before the values are displayed.
•
Change the O2-value with the cursor keys
•
Press OK
Change the values using the Right and Left keys.
CAUTION:
If you are calibrating the measurement value using the display and operating unit →
cal, you must confirm the new calibration value with "ENTER" or "OK". Otherwise, the
menu ends automatically after 15 seconds, and the new calibration value is rejected.
NOTE:
If there is no possibility for a reference measurement or for tes gas, you have to enter
the probe temperature of the test report in parameter 141,to get a correct
measurement value.
But this method functions only with a new probe / sensor.
64
- O2
+ O2
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