Dionex VWD Operator's Manual
•
Two light sources, a deuterium lamp for ultraviolet detection and a tungsten
lamp for visible and near-infrared wavelength detection, provide a
wavelength detection range from 190 to 900 nm. For details about the lamps
and wavelength detection ranges, see
•
The four-channel detector measures at up to four wavelengths, by indexing
between wavelengths several times per second.
•
To suppress higher-order radiation, two optical filters are inserted
(automatically) into the light path (see
•
The wavelength accuracy can be verified via the built-in holmium oxide filter
(see
Section
•
The detector is controlled with a PC (personal PC) running Microsoft
Windows Vista
Chromeleon
Chromatography Data System. Chromeleon 7 and Chromeleon 6.8 also
provide data acquisition and data processing functions.
NOTE Thermo Scientific Dionex Chromeleon
•
Various monitoring, diagnostic, and calibration features are provided for
system wellness and predictive performance (see
2
5.2).
®
®
or Windows
XP and either the Thermo Scientific Dionex
®
7 Chromatography Data System or Chromeleon
can provide real-time control and monitoring of the
detector, but does not include data management
capabilities.
Section
2.2.4.
Section
2.3).
®
Xpress software
Section
2.6.2).
®
®
6.8
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