90 Advanced Operation Manual
3 Inlets
Setting parameters
The inlet can operate in flow or pressure control mode. Flow
is recommended for packed columns. Pressure is
recommended for capillary columns.
Inlet in flow control mode
While in flow control mode, you cannot enter pressures here.
Mode Press [Mode/Type] to see the choices. You may select
an inlet mode of either Pressure control or Flow control. When
the Inlet control mode is Pressure control, the column control
mode can be set to Constant pressure, Ramped pressure, Constant
Valve
Frit Frit
Valve
EPC Module
Inlet Weldment
FS = Flow Sensor
PS = Pressure Sensor
FS
PS
Carrier Supply
80 PSI
Septum Purge
Packed Column
PS