INFICON CMS5000 Monitoring System - Manual (Page 215)

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CMS5000 Operating Manual
ConcFlow . . . . . . . . . . . . . . . . . . . . Directs the desorbed sample from the
concentrator onto the column.
ColumnFlow . . . . . . . . . . . . . . . . . . Directs the carrier gas flow directly through
the column and is selected after ConcFlow to
carry the sample completely through the
column.
DryPurge . . . . . . . . . . . . . . . . . . . . . Directs carrier gas through the concentrator
to remove excess moisture and is used after
ConcFill or CkStdConcFill. For water
sampling only.
HSCreate . . . . . . . . . . . . . . . . . . . . . Bubbles carrier gas into the water sample to
create the headspace. For water sampling
only.
Other . . . . . . . . . . . . . . . . . . . . . . . . Activates the Valve States menu to create a
custom GC inlet state and is often used for
GC troubleshooting. These options are
described below. See
Figure 15-12 .
GCFlow . . . . . . . . . . . . . . . . . . . Directs carrier gas through the GC.
HSFlow . . . . . . . . . . . . . . . . . . . Directs carrier gas into the headspace. For
water methods only.
Sample. . . . . . . . . . . . . . . . . . . . Opens valve to direct the sample through the
concentrator.
Purge . . . . . . . . . . . . . . . . . . . . . Directs the sample through the sample
pathway and out through the exhaust vent.
Sample Pump . . . . . . . . . . . . . . Turns on the sample pump.
ConcHeater . . . . . . . . . . . . . . . . Turns of the concentrator heater.
Figure 15-12 GC Valve States
Standby . . . . . . . . . . . . . . . . . . . . . . Must be included in every method as the last
state.
After selecting the inlet state, enter the desired time period for the event in the
Duration column. See
Figure 15-13 .