Actions
Periodic maintenance comprises the following actions:
Removal of dust from the sensor’s protective housing, using only a dry
cloth. No water or solvents should be used. Severely dusty heads or
sensors should be replaced immediately.
For use in dusty explosive atmospheres, the user should undertake full
and regular cleaning to avoid the build-up of dust. The maximum
permissible thickness of a dust layer must be less than 5 m illimeters.
Replacement of screws: if the screws on the fire-proof part “d” of the
body need to be replaced, screws of equal quality A4. should be used.
Zero inspection with pure air.
Gas sensitivity inspection and possible adjustment, as per Chapter 4 |
Calibration.
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