INFICON Explorer Portable Gas Chromatograph User Manual

Page 75

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Using

Explorer

10. Leave the syringe in place for about 2 seconds then withdraw it.

When the analysis starts, a message will be displayed indicating which column
and detector are in use.
The status line will now show a timer, a run number, the column and detector
in use. If you are in peak display, peaks will be added to the list as they are
integrated. If you are in compound display, concentrations of detected peaks
will be updated at the end of the analysis. In graph display, you can see the
chromatogram developing. Another line displays the fullscale range and the
analysis time.

The manual injection technique described above will give varying results at first.
Practice making manual injections until the results can be reproduced to within 5%
of the integrated peak area.

Peaks are identified depending on the information in the current library. If any of the
identified peak concentrations exceed the alarm level, stored in the library, then the
audible alarm may sound at the end of the analysis.

If an alarm sounds, an alarm acknowledge box will open. Press YES to
acknowledge the alarm condition and to silence the audible alarm.

NOTE: While an analysis is in progress it is not possible to change to TVOC mode. Wait

until the current analysis is complete before attempting to change modes.

To stop the analysis before it is complete, press the Start Stop key.
If you stopped the analysis after the sample was injected onto the column you
must wait for the duration of the analysis time for the column to be flushed
before beginning another analysis on the same column, otherwise carry-over
my result. When you stop an analysis,

Explorer will begin to flush the

column and move to the next column. When you press Start Stop, the
analysis will begin on the next column.

NOTE: If you are using syringe injection, you must calibrate

Explorer using syringe

injection.

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