Configuration 5
Advanced Operation 73
Figure 14 Gas flow paths in the standard configuration
When using GC Control for carrier gas, the HS provides no
method settings for carrier gas. The sample is injected by
switching the sample loop into the carrier gas stream. The
HS displays a pressure reading for the carrier gas, but
cannot determine a flow rate.
If using the optional 7697A Carrier Gas EPC Module
SV1
SV2
PV1
PV2
PS
PS
FS
Flow control module
1
2
3
4
5
6
Six port valve
Transfer line
Vent
Carrier gas
Vial pressurization gas
PS - Pressure sensor
FS - Flow sensor
SV - Switching valve
PV - Proportional valve
Sample loop
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