Holmium Oxide Test - Agilent Technologies 1100 Series Reference Manual

3
Troubleshooting and Test Functions
Figure 9
With a clean cell the counts for sample and reference are in the same range. If, like in this
example, the sample side shows much less, the flow cell might have a problem due to
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Holmium Oxide Test

This test verifies the calibration of the detector against the three wavelength maxima of
the built-in holmium oxide filter. The test displays the difference between the expected
and measured maxima.
The test uses the following holmium maxima:
• 360.8 nm
• 418.5 nm
• 536.4 nm
See also
NOTE
62 1100 Series Variable Wavelength Detector Reference Manual
actual wavelength
counts (raw data)
Photocurrent Readings on Control Module
dirty windows,
absorbing solvents/compounds,
not correctly mounted flow cell, or
air bubbles
"Declaration of Conformity for HOX2 Filter"
actual intensity
on page 254.