6. Maintenance & Cleaning
TECAN
6-4 Instructions for Use for sunrise Absorbance Reader No. 30008746 Rev. No. 1.4 2006-03
6.3 Filter Replacement
Caution
When handling the filters, be careful that they do not become
scratched or soiled with fingerprints or dust.
The direction of the arrow on the filter glass and the direction of the beam must
be identical. Put in the filter glass accordingly. If you can read the print on the
filter glass when the beam comes from the bottom, it is inserted correctly.
Use only framed or black filters and insert them flush to avoid scattered light.
6.3.1 Standard Filter Carriages
The filters of the standard filter carriages can be replaced using the following
procedure:
1. Remove the filter carriage from the instrument.
2. Place the filter carriage on a clean flat surface.
1 2 3 4
3. Using a wooden or rubber rod (ensure that the ends are rounded so that the
corners do not scratch the filters) carefully push the filter and retaining ring
out of the filter carriage.
Rod
Filters
Retaining Rings
4. Turn the filter carriage over and insert the new filter and the retaining ring.
5. Carefully push the filter and retaining ring into the filter carriage, using a
wooden or rubber rod.
Filter
Positions
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