6890 GC Detectors - The Flame Ionization Detector
6890 GC Detectors - The Flame Ionization Detector - Main ComponentsIgniter
Teflon Insulator
Collector
Interconnect/Spring
Electrometer
Jet
Heater/Sensor Assembly
Detector Base Assembly
Column Adapter
6890 GC Detectors - The Flame Ionization Detector
6890 GC Detectors - The Flame Ionization Detector - Theory of Operation1. H2 - Air Flame2. Sample is burned in flame3. When burned produces charged Ions4. Ions attracted to collector5. Collector current converted to output via Electrometer
6890 GC Detectors - The Flame Ionization DetectorFID EPC Flow Manifold
Detector Pneumatic Connection
Gas Connections to GC
FID Flow Measurement Tool
FID JetPlugged FID Jet
6890 GC Detectors - The Flame Ionization DetectorComplete Detector Assembly
FID Collector Removal
FID Igniter Replacement
6890 GC Detectors - The Flame Ionization Detector - JetsJet TypePart NumberJet Tip idCapillaryG1531-805600.29 mm0.011"High TempG1531-806200.47mm0.018"Jet TypePart NumberJet Tip idCapillary19244-805600.29mm0.011"Packed18710-201190.47mm0.018"PackedWide bore18789-800700.030"High Temp Capillary19244-806200.47mm0.018"Jets for Capillary-Optimized FID Jets for Adaptable FID
6890 GC Detectors - The Flame Ionization Detector
6890 GC Detectors - The Flame Ionization Detector
6890 GC Detectors - The Flame Ionization Detector6890 EPC Module Original Design New Detector Mini-fold
6890 GC Detectors - The Flame Ionization Detector
6890 GC Detectors - The Flame Ionization Detector
6890 GC Detectors - The Flame Ionization Detector
6890 GC Detectors - The Flame Ionization Detector
6890 GC Detectors - The Flame Ionization Detector
6890 GC Detectors - The Flame Ionization Detector
6890 GC Detectors - The Flame Ionization DetectorFlame won't light Measure Flows Clean/Replace Jet (6850 Jet Test) Are column and fittings tight ? Is the tank pressure high enough ? Is the Detector ON ?
6890 GC Detectors - The Flame Ionization DetectorNoisy BaselineTurn off Air/H2Replace Detector Board/ interconnect/Teflon InsulatorsElectronic/Mechanical ProblemStill NoisyCheck:Filters,Traps,GassesClean JetVerify Column maxContamination problemYesNo