After replacing an O2 sensor, wait 60 min before using the instrument again.
If retrofitting a sensor you must activate the relevant measuring parameter and unit,
see
Display edit
, p. 27.
I.3 Filter for CO, H2-comp., NO
exchanging sensors
The measuring instrument must be switched off and the mains unit disconnected from
the mains supply.
1
Place measuring instrument on its face.
2
Loosen screws with a screwdriver, release clip in the direction of the arrow, and
remove service cover.
3
Remove hose connections from sensor.
4
Remove sensor from slot.
5
Remove spent filter from sensor.
6
Place new filter on sensor.
Avoid touching the electronics of the sensor.
Observe the markings on the filter and the sensor
7
Insert sensor into slot.
8
Replace hose connections on to sensor.
9
Replace and close service cover (clip must click
in), fix with screws.
10
Reset ppm hour counter (see
Display ppm/hour
counter
, p. 33.
I.4 Recalibrating sensors
See
Sensor settings
, p. 31.
I. Care and maintanance
47
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