PerkinElmer SPECTRUM TWO N, User Manual

Page: 22 / 125

22 . Spectrum Two N User's Guide
The infrared beam enters the sample compartment through a window on the left. After
passing through the sample, it enters the detector area through a window on the right side
of the sample compartment.
CAUTION
ATTENTION
The CaF
2
sample compartment windows fitted in some Spectrum Two N
FT-NIR spectrometers, although coated to prevent damage by small
amounts of condensation, may be damaged by large amounts of
condensation build-up in the rim of the windows.
Take care not to scratch the windows when installing accessories or using
sample tools.
Les fenêtres du compartiment d'échantillons CaF
2
installées dans certains
spectromètres Spectrum Two N FT NIR, bien que revêtues pour éviter
d'être endommagées par de petites quantités de condensation, peuvent
être endommagées par de grandes quantités d'accumulation de
condensation dans la jante des fenêtres.
Veillez à ne pas gratter les fenêtres lors de l'installation d'accessoires ou à
l'aide d'outils d'échantillonnage.
Standard accessories are mounted on a baseplate. The standard baseplate has a slide holder
that can be fitted at two positions, fixed by a single screw (Figure 5).
Figure 5 Slide holder on standard baseplate
The slide holder has two slide positions that enable you to insert a sample and a J-stop card
for measurements at high resolutions.
For more information on using the J-stop cards, see
Changing the Resolution
on page 78.