CDP301 Dew-Point Tester User’s Manual
Michell Instruments 37
MAINTENANCE
5.3 Mirror Cleaning
Due to contamination in the natural gas, periodic cleaning of the CDP301 mirror may
be required. This must be carried out in a safe area only, in a clean environment.
The cleaning kit supplied contains laboratory cotton buds and a container for cleaning
solvent. Please note that the container is supplied empty due to shipping regulations.
Laboratory-grade Isopropyl alcohol is required for mirror cleaning.
It is recommended that the user also carries the following items:
• DSLR camera sensor air blower
• Magnifying eyeglass (at least 3x magnication)
• A small battery-powered torch
• Long-reach 3mm and 4mm Allen keys
Figure 27
Cleaning Accessories
5.3.1 CDP301 Preparation
• Ensure that the instrument is powered down and the charging port is not
connected.
• Remove all gas pressure from the instrument.
• Disconnect all external gas tubing to the ame arrestors
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