CPS
– User Manual
Page 5
The use of the unit has been projected for the applications specified in the technical characteristics.
Exceeding the indicated values cannot in any case be authorized.
Catalytic sensors are susceptible to poisoning by traces of several substances. This leads to an
inhibition which can be permanent or temporary depending on the contaminant, the concentration
of the contaminant, the duration of exposure to the contaminant.
Poisoning may result from exposure to substances as:
•
silicones (e.g. waterproofing, adhesives, release agents, special oils and greases, certain
medical products, commercial cleaning agents)
•
tetraethyl lead (e.g. leaded petrol, particularly aviation petrol ‘Avgas’)
•
sulfur compounds (sulfur dioxide, hydrogen sulfide)
•
halogenated compounds (R134a, HFO, etc.)
•
organo-phosphorus compounds (e.g. herbicides, insecticides, and phosphate esters in
fireproof hydraulic fluids
Oldham recommends regular testing of fixed gas detection installations (read Chapter 6).
Summary of Contents for CPS Series
Page 1: ...CPS_CPS 10 System Part Number NPCPSGB Revision J 2 The Fixed Gas Detection Experts User manual...
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