PerkinElmer Frontier IR, Руководство пользователя

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Advanced Maintenance . 89
5. Place the assembly face down on the sample holder baseplate.
6. Working clockwise around the filter wheel, identify the next available filter position
(Figure 54).
Position 5 and Position 7 are available for your custom filters.
There is no filter in Position 6 in the Frontier FT-IR/FT-FIR spectrometer.
NOTE: Do not change the positions of the standard filters, or place a filter in Position 1.
Figure 54 Filter wheel positions
7. Release the filter holder by turning it about 30 degrees counter-clockwise, and then
remove the filter holder and foam spacer.
8. Place the filter in the hole, place the foam spacer on top of it, and then fit the filter
holder.
Figure 55 illustrates the assembly sequence.
Align the notches of the holder with the indents in the filter wheel. You must twist the
holder clockwise to lock it to the filter wheel.
Figure 55 Filter, foam spacer and filter holder
When fitted correctly, the small hole in the filter holder is close to the outer edge of the
filter wheel.
Foam spacer
Filter holder
Filter
Opto flag
Position 7:
for custom filter
Position 6:
NIR polystyrene
Position 5:
for custom filter
Position 4:
Methane cell
Position 3:
NG11 glass
Position 2:
MIR polystyrene
Position 1: None
Do not place filter here