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The Sample System
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General Information
In addition to the components supplied with the CGA 351, an external
sample system may be required to ensure that the analyzer is fed a
properly conditioned sample or calibration gas stream. In particular,
the gas must be clean and dry, and it must be delivered to the analyzer
at atmospheric pressure.
Note: A suitable sample system, which will be supplied completely
assembled on its own mounting plate, may be ordered directly
from the factory.
Commonly used sample system components include filters, pressure
regulators, pressure gauges, by-pass loops, and sample pumps. It is
recommended that stainless steel construction be used for all wetted
parts of the sample system. A typical sample system is shown in
Figure 1-3 below.
CAL-GAS
INLET
Figure 1-3: Typical Sample System
SAMPLE
INLET
December 2004
SAMPLE
OUTLET
1-3
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