36
│ 5 Maintenance
Changing the test gas concentration
If no test gas with the specified concentrations is available for the
test, the values can be changed accordingly under
Test gas
in
the adjustment menu (section 3.3.3
5.2
Adjustment
NOTICE!
Incorrect adjustment can lead to incorrect measurement results.
●
Only specialist technicians may perform adjustments.
●
Adjustments must be made in well ventilated rooms or in the
open air.
5.2.1
Scope
The following are adjusted:
●
Zero point
●
Sensitivity
Note:
Always adjust the zero point first, followed by the sensitivity.
The adjustment can be carried out with:
●
Gas mixture
●
Individual gases
Only gases for which the readings are outside the predefined
limits need to be adjusted during the adjustment process (sec-
