4
Performing Detectors Routine Maintenance
Maintaining a Flame Ionization Detector (FID)
Thermo Scientific
TRACE 1300 and TRACE 1310 Hardware Manual
139
Figure 115.
FID: Cell Assembly Components
Figure 116.
FID: Jet and Polarizing Electrode
To keep optimum performance of the FID, you must keep it clean and free of dust and
deposits. Symptoms, such as reduced sensitivity and increased noise, indicate that the detector
needs cleaning.
Detector Cap
Cell Top Cover
Insulator Ring
Collecting Electrode
Collector Insulator
Signal Cable
Polarizing Electrode
Polarizing Cable
Glow-plug Cable
Detector Body (see
Jet
Polarizing Electrode