2I-10800-10
18
7. Purging the Quest ATR Optical Unit
The Quest is fitted with an optional purging port
into which 1/4”
tubing
can be inserted. This is useful for suppressing atmospheric water vapor
and/or CO
2
with inert gas from a cylinder or from a purge gas generator.
To fit a purge line remove the front cover plate (5), push your tube
through the purging port (14) and secure in place using the curved grips
(15), as shown in Figure 7-1 and Figure 7-2. Then refit the front cover
plate (5).
Figure 7-1: Aperture Ports and Purge Connection on the
Quest ATR Optical Unit
Figure 7-2: Front Cover Plate with Purge Tube
–
Front and Back Views
