Install the source line within 10 feet
of
the proposed location for
your spectrometer. The line must be installed vertically to ensure that
the pressure gauge scale does not tilt when the gauge and regulator
assembly are attached later. This prevents moisture from
accumulating in the system.
Once the line is installed, attach a shutoff valve and either a 1/4-inch
male fitting or a 3/8-inch female fitting. The pressure coupling will
be attached to the 1/4-inch male fitting by Thermo Nicolet.
If you
used the 3/8-inch female fitting, the reducing nipple will be installed
by Thermo Nicolet before the pressure coupling is attached. The
illustration below shows how the equipment will be connected
between the pressure coupling and the spectrometer.
3/8" to 1/4"
male reducing nipple
"-.
1
(if required)
~
Pressure /
coupling
Flow coupler
insert connected
to optical bench \
rear panel
~
\
,.
~
Shutoff valve
Flowmeter
i
//
Filter
,,
.
Preparing Your Site
21
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