Agilent Technologies 8890 - Page 225

15 Inlets
Operation Manual 225
After sampling end
The interface is forward pressure controlled; pressure is sensed downstream from the
proportional valve. The system returns to the idle state.
Valve
Frit Frit
Frit
Valve
EPC Module
Gas Sampling Valve
Headspace
Purge and Trap
FS = Flow Sensor
PS = Pressure Sensor
Column
FS
PS
PS
Carrier Supply
80 PSI
Septum Purge