Agilent Technologies 7697A - Purge Time and Flow

Method Development 3
Advanced Operation 41
Purge time and flow
Between sample vials, the HS will purge the sample probe,
sample loop, and vent. See Figure 11. The default purge flow
is 100 mL/min for 0.5 minutes.
Figure 11 Flow paths during purge time
SV1
PV2
Flow control module
1
2
3
4
5
6
6 port valve
Transfer
line
Vent
Carrier gas
Vial pressurization
gas
PS - Pressure sensor
FS - Flow sensor
SV - Switching valve
PV - Proportional valve
PV1
PS
FS
SV2
PS
Sample loop