Teledyne GC-Pro/FID - Gas Chromatograph - Manual (Page 49)

GC-Pro FID Operation
Teledyne Analytical Instruments 35
7. Following the warm up, the system will initiate a self-diagnostic
routine and display the results as either “OK” or “Failed”
8. After the self diagnostic test has completed the instrument will
attempt to ignite the flame. See Section 4.6.
4.4 Activating the Support Gases
The instrument gas controls are located on the front panel adjacent to
the touch screen display as shown in Figure 1-1. Make sure that the
following support gases are available at the analyzer:
 Air: (HC-free) for combustion
 Carrier gas: (usually nitrogen but refer to Appendix C for
your specific application.
 Fuel: 100% hydrogen
 Span gas: Typically 70-90% of measured component on
the range of interest in a clean background gas.
Refer to Appendix C for the specific span gas
composition for your application.
4.4.1 Air
1. Set the air source regulator to 40 psig.
2. Adjust the analyzer air regulator until the air pressure gauge
reads the recommended air pressure of 7.0 psig.