5 Maintenance
│
41
6. Press and hold the release button on the test set. The test gas
is added.
Do not let go of the release button
.
7. Wait at least 1 minute. The displayed reading must be stable.
Note:
For
Adjustment gas mixture measuring
,
all
values must be
stable. This time required for this varies.
8. Press
OK
to confirm. The device is adjusted. The reading
shows the specified value (e.g. 100 % vol. CH
4
).
9. Let go of the release button on the test set.
5.2.6
Performing an oxygen adjustment
As oxygen is a component of fresh air, the procedure for adjust-
ing oxygen is different from the procedure for all other gases.
5.2.6.1 Adjusting the zero point for oxygen
The zero point for oxygen must be adjusted using an inert gas
which contains no oxygen and does not damage the sensor.
The following resources are needed for adjusting the zero point:
●
Test gas
Information on test gases for adjustment can be found in sec-
●
Test set for the supply of test gas (e.g.
SPE VOL
)
Note:
Details of how to use the test set can be found in the accompany-
ing operating instructions.
1. Connect the device to the test set.
2. Open
Settings
.
3. Select
Adjustment
from the menu.
4. Select
Adjustment O2
from the menu.
