Overview | 1-5
Component Function
Electronics Purge Components
The Optical Bench Assembly, Measuring Cell seal, and the
Electronics Enclosure are purged (Instrument Air, typically)
to prevent contamination of the optical system and the
electronics.
Purge Air Regulator Controls the pressure available for an optics purge.
Aspirator Pressure Gauge
Use to set the air pressure to a nominal 105 KPAG
(15 PSIG).
Electronics Enclosure Purge Air Flow Restrictor
Prevents ingress of corrosive gas in Electronics Enclosure in
absence of dedicated purge controller.
Cabinet Pressure Port Use this port (on the Solenoid Block) to test the pressure of the
Electronics Enclosure.
Optics Purge Flow Restrictor
Provides a dedicated purge for the Optical Bench.
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