Agilent Technologies 6890 Series - Signal Handling

250 Volatiles Interface
Theory of operation
6 of 30
Jun 2001
Inlets
Agilent 6890 Gas Chromatograph Service Manual
Figure 250-3 VI flow control diagram: direct mode (sample introduction)
Sampler
Trap
Valve
open
PV2
SPR
FSPV1
Tota l fl ow
control loop
PS
Supply
To Column
SPR
Vent
Split
Vent