Maintaining the FID 11
Maintaining Your GC 201
Selecting an FID Jet
Open the oven door and locate the column connection fitting
at the base of the detector. It will look like either a capillary
optimized fitting or an adaptable fitting.
• If you have an application that tends to clog the jet, select
a jet with a wider tip id.
• When using packed columns in high column- bleed
applications, the jet tends to clog with silicon dioxide.
• In simulated distillation applications, the high- boiling
hydrocarbons tend to clog the jet.
For capillary optimized fittings, select a jet from Table 32.
For adaptable fittings, select a jet from Table 33.
Capillary optimized fitting
Adaptable fitting
Detector fitting
Adapter
Tab le 3 2 Jets for capillary optimized fittings
Figure 1 ID Jet type Part number Jet tip id Length
1 Capillary G1531-80560 0.29 mm (0.011 inch) 43 mm
2 High-temperature
(use with simulated
distillation)
G1531-80620 0.47 mm (0.018 inch) 48 mm
Figure 3 Capillary optimized jets
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