INFICON 3000 Micro GC Gas Analyzer Operating Manual - Manual (Page 224)

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3000 Micro GC Operating Manual
8.5.3 Onboard Carrier Gas Supply
The onboard carrier gas cylinder connects to the Portable 3000 Micro GC carrier
input fitting through the external jumper tube. See
Figure 8-42 .
Figure 8-42 External jumper tube
Internal pressure regulators and a check valve ensure a steady 550 kPa (80 PSI)
carrier gas supply to Portable 3000 Micro GC when the CARRIER knob is turned
ON. See
Figure 8-43 .
The onboard carrier gas cylinder requires periodic refilling. Refill the cylinder when
the pressure gauge on the front panel reads <200 PSI.
Figure 8-43 Portable 3000 Micro GC pressure controls
External jumper
tube
CARRIER CARRIER
ON
OFF
Refill when
pressure reads
< 200 PSI