CDP301 Dew-Point Tester User’s Manual
Michell Instruments 41
MAINTENANCE
5.3.6 Check Mirror Cleanliness
• Turn the CDP301 on and allow to boot up.
• Turn the CDP301 to Dewpoint Type HCdp measurement and check that
the mirror surface is a uniform colour.
• Turn the CDP301 to Dewpoint Type Wdp measurement and check that all
particulates have been removed from the mirror surface.
• If the mirror surface is not suitably clean repeat this process.
NOTE: A gas pressure test and appropriate leak check should be carried out in
accordance with local site regulations before the product is used.
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