Exchanging The Silica-Gel - Moravian Instruments G2 Series Mark II User Manual

recommended to shorten replacement interval if the silica-gel is
completely transparent upon replacement. If it is still yellow-orange, it is
possible to prolong the replacement interval.
Figure 24: Silica-gel container is accessible from the camera back side

Exchanging the silica-gel

G2 Mark II cameras employ the same desiccant container like the larger G3
and G4 cameras. The whole container can be unscrewed, so it is possible to
exchange silica-gel without the necessity to remove the camera from the
telescope.
Silica-gel is held inside the container with a perforated cap. This cap is also
screwed into the container body, so it is easy to exchange the silica-gel
inside the container after it is worn out or damaged e.g. by too high
temperature etc.
The container itself does not contain any sealing (the sealing remains
attached to the CCD cold chamber inside the camera head), it consists of
aluminum parts only. So, it is possible to heat the whole container to
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