User guide

Inlets 8
Advanced User Guide 221
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 flow, or
Ramped flow. The column control mode is set from the Column
parameters display. When the Inlet control mode is Flow
control, only column flow can be set on the Column parameters
display.
Tem pe ratur e The setpoint and actual temperature values.
Pressure The actual pressure (in psi, bar, or kPa) supplied to
the inlet. You cannot enter a setpoint here.
Total f l ow Enter your setpoint here, actual value is displayed.
Inlet is mass flow controlled.
Septum purge The setpoint and actual flow, in mL/min,
through the septum purge line, typically 1 to 5 mL/min
Inlet in pressure control mode
While in pressure control mode, you cannot enter flows 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 flow, or
Ramped flow. The column control mode is set from the Column
parameters display. When the Inlet control mode is Flow
control, only column flow can be set on the Column parameters
display.
Tem pe ratur e The setpoint and actual temperature values of the
inlet.
Pressure Enter your setpoint here (in psi, bar, or kPa). The
actual value is displayed.
Total f l ow The actual total flow to the inlet. This is a reported
value, not a setpoint.
Septum purge The setpoint and actual flow, in mL/min,
through the septum purge line, typically 1 to 5 mL/min