Using the Built-In Test Chromatogram
This function is available from the Agilent ChemStation, Lab Advisor and Instant Pilot.
The built-in Test Chromatogram can be used to check the signal path from the detector to the data system and the data analysis or via the analog output to the integrator or data system. The chromatogram is continuously repeated until a stop is executed either by means of a stop time or manually.
NOTE
The peak height is always the same but the area and the retention time depend on the set peakwidth, see example below.
This procedure works for all Agilent 1200 Infinity detectors (DAD, MWD, VWD, FLD and RID). The example figure is from the RID detector.
Procedure using the Agilent Lab Advisor
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Assure that the default LC method is loaded via the control software.
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Start the Agilent Lab Advisor software (B.01.03 SP4 or later) and open the detector's Tools selection.
Open the test chromatogram screen
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Turn the Test Chromatogram on.
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Change to the detector's Module Service Center and add the detector signal to the Signal Plot window.
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To start a test chromatogram enter in the command line: STRT
Figure: Test Chromatogram with Agilent Lab Advisor -
To stop the test chromatogram enter in the command line: STOP
NOTE
The test chromatogram is switched off automatically at the end of a run.
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