Agilent Technologies 7697A - Flow Paths

36 Agilent 7697A Troubleshooting
4 Leaks
Flow Paths
Figure 1 and Figure 2 below show the flow paths within the
headspace sampler (HS).
Figure 1 HS flow paths (standard installation)
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