Metrohm NIRS XDS MasterLab Analyzer - Manual (Page 7)

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Introduction to XDS™ MasterLab Analyzer
Thank you for selecting the XDS
MasterLab Analyzer, manufactured by
FOSS. This instrument is the third
generation in a series of instruments
designed for precision NIR measurement,
characterization of organic materials, and
qualification of known materials to
allowable quality parameters.
The XDS MasterLab Analyzer is designed
for stable operation in typical laboratory
environments, while providing the
precision and accuracy users have come
to expect of FOSS near-infrared (NIR)
instruments.
The MasterLab Analyzer comes with a
universal tablet tray. Others are optional.
The MasterLab Analyzer uses a proven monochromator design, employing a digitally-controlled
dispersive grating, sensitive detection devices, and state-of-the-art circuitry to enhance signal output
and minimize any extraneous noise that might influence performance. The XDS MasterLab Analyzer
uses various patented algorithms to provide superior accuracy and transferability between like
instruments. These software algorithms must be used to assure good spectral transfer between
similar instruments. See sections 7.1 and 8.1 for full details.
The versatile sampling mechanism of the MasterLab
Analyzer offers a movable sampling platform, suitable
for handling multiple tablets, vials or other samples.
The software supports acquisition of spectra in an
unattended mode, freeing the operator to prepare
other samples, analyze data, or perform unrelated
tasks.
Vision supports multiple tablet trays and vial
diameters, to speed set-up. For custom tablet styles,
set-up is straightforward. The MasterLab Analyzer also
offers variable spot size, to focus energy on small vials.
Horizontal orientation of the sample transport mechanism facilitates loading, and prevents material
spills inside the sampling area of the instrument. The MasterLab Analyzer supports use of normal
sampling accessories for the XDS Rapid Solids Analyzer.
Sampling may be performed on two different physical levels, either directly on the sample window
(as with a normal XDS RCA) or on the tablet/vial tray, which is slightly raised from the glass. For this
reason, two sets of optical reflectance (“reference”) calibrations are stored in the instrument. Only
one transmission Reference Standardization is required. It is important to Reference Standardize on
the correct level, as prompted by Vision Software. This aids in method transfer, and is explained in