Sensitivity - Gilson 155 User Manual

Operation
Sensitivities 1 & 2
Peak width
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In single wavelength mode, the detector can
monitor a sample at two sensitivities on separate
output channels. Set these parameters to reflect the
two sensitivities you want to display. The default
sensitivity setting for output channels 1 and 2 is
0.01 AUFS. Valid range is 0.001 to 2.0 AUFS.
For additional information on setting sensitivity,
see Appendix C.
The detector must know the width of the
narrowest peak in your run. The detector uses this
information to optimize the presentation of peaks
and to minimize baseline noise.
To set the peak width accurately, run a
chromatogram using the minimum peak width
setting. Measure the width at half height of the
narrowest peak.
For most applications, the default setting of 10
seconds is adequate. Valid range is 0 and 4.0 to
99.0 seconds.
Note: If the peak widths on your trace vary by
more than a factor of 3 and if your work is noise-
sensitive, you may want to define a program file to
modify the peak width value at specified times
during the run. See Programming the Detector
page 3-42.
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