Detector Modules - Agilent Technologies 7890 Series Advanced Operation Manual

Detector Modules

Advanced Operation Manual
These are specific to the detector with which they are
supplied, and differ according to the needs of that detector.
For example, the FID module must supply controlled
amounts of air, hydrogen, and makeup gas. The TCD module
supplies the reference and makeup gases, but includes the
reference switching valve that is essential to detector
operation.
Module locations depend on the type of module and the
length of the tubing connecting it to the detector.
If you have a Front detector, its flow module must go in Slot 3.
If you have a Back detector, its flow module must go in Slot 4.
If you have a TCD detector mounted on the left side of the
GC, its flow module mounts in a special bracket near the
detector.
Flow and Pressure Modules
2
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