POPULAR CONFIGURATION GCs
Educational TCD
System Overview
Your educational TCDGC is configuredon the compact 310 chassis. It is equippedwith aTCD
Detector,a temperatureprogrammableColumnOven,a3’SilicaGelpackedcolumn,ElectronicPressure
Control (EPC)forcarriergas,On-columnInjector,andabuilt-in, singlechannelPeakSimpleDataSystem.
Themodelshownbelow isequippedwithoptionalFastCool-downfans.
TheTCDDetectorrequiresheliumtooperate,whichmustbesuppliedbyagascylinderandregulator.
Theheliumcylinderpressureisnormallysetat30psi,whichis10-20psihigherthanthecolumnheadpressure.
ColumnOvenwith
3’SilicaGelColumn
inside
TCDDetector
FastCool-downFans
On-Column Injector
TCDDetector temperaturesetpoint
TCDcarriergasoutlet
TCDFilament
CurrentSwitch
Regulator
Heliumgas
cylinder
TheTCDDetector is located inside itsownoven,mountedon theright rearof
theColumnOvenasshownabove. Its temperature isfactorypresetat100
o
C,but it
maybeheatedup to130
o
Cbyadjusting the trimpotwith thesmallbladescrewdriver
attached to the front rightcornerofyourGC. The trimpot looks likeasmallbrass
screwand is located inside the labeledholeon the topedgeof thefrontcontrolpanel.
