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Detectors
Before ordering parts for FID maintenance,
determine which type of FID is installed
on your GC. The FID is available in
two versions:
• Dedicated, Capillary Optimized:
for capillary columns only
• Adaptable: for packed or
capillary columns
To determine the type of FID installed on
your GC, open the oven door and examine
the fitting at the base of the detector.
Compare to the following diagram.
Hint: Adaptable jets are longer than
dedicated capillary jets.
FID Jets
Description Jet Tip ID Length (mm) Part No.
Jets for capillary optimized fittings
Capillary 0.29 mm (0.011 in.) 48 G1531-80560
Capillary, high temperature
Use with simulated distillation
0.47 mm (0.018 in.) 48 G1531-80620
Jets for adaptable fittings
Capillary 0.29 mm (0.011 in.) 61.5 19244-80560
Capillary, high temperature
Use with simulated distillation
0.47 mm (0.018 in.) 61.5 19244-80620
Packed 0.46 mm (0.018 in.) 63.5 18710-20119
Packed, wide-bore
Use with high-bleed applications
0.76 mm (0.030 in.) 63.5 18789-80070
FID Jet Identification and Selection
Detector fitting
Adapter
Adaptable fitting Capillary optimized fitting