AO2000 CONTINUOUS GAS ANALYZERS | OI/AO2000-EN REV. B 267
Inspection and maintenance
CAUTION
The tasks described in this chapter require special training and under
some circumstances involve working with the gas analyzer open and
powered up. Therefore, they should only be performed by qualified and
specially trained personnel.
Inspection
Normal operation of the gas analyzer
In normal operation the measured values from the installed analyzer mod-
ules are shown on the display screen and the green "Power" LED is lit.
Periodic checks
Module, assembly Function Interval
Sample gas
flowmeter
Caldos25 10 to 90 l/h,
max. 200 l/h
Regularly
Caldos27 10 to 90 l/h
Fidas24 80 to 100 l/h
Fidas24 NMHC 80 to 100 l/h
Limas11 IR 20 to 100 l/h
Limas21 UV 20 to 100 l/h
Limas21 HW 20 to 90 l/h
Magnos206 30 to 90 l/h
Magnos28 30 to 90 l/h
Magnos27 20 to 90 l/h
Uras26 20 to 100 l/h
ZO23 5 to 10 l/h ± 0.2 l/h
Pneumatic module
disposable filter
Staining Regularly
Gas analyzer gas
lines
Seal integrity Regularly
Seals between doors
and housing
Contamination, foreign material Before each
closing