User guide

264 Advanced User Guide
8 Inlets
Initial values
The table shows recommended starting values for selected
parameters.
Table 56 Setpoint dependencies
When you change These setpoints change
Column defined Column not defined
Purging You can change the
Pressure and Total flow
setpoints; other
setpoints are not
affected.
Purge flow Total flow**
Pressure Total flow**
Column flow*
Column flow
*
* This setpoint appears in the column parameters.
**This value is actual only.
Pressure
Total flow**
Before and after sampling, not purging You can change the
Pressure setpoint; other
setpoints are not
affected.
Pressure Column flow*
Total flow**
Column flow* Pressure
Total flow**
During sampling:
You cannot change pressure and flow setpoints during sampling time.
Table 57 Suggested starting values
Parameter Allowed setpoint range Suggested starting
value
Oven initial time 0 to 999.9 minutes ≥ Interface purge time
Interface temperature Ambient + 10 °C to 400 °C ≥ Transfer line
temperature
Interface sampling end 0 to 999.9 minutes 0.2 minutes longer than
introduction time