To guarantee the continuing reliab~lity and accuracy of Multiskan
EX
avoid disturbing any of the optical
system components.
.A
misalignment of the light path sects measurements.
Keep the optical system clean to ensure proper functioning and accurate results. Prevent any liquid from
entering the instrument. Keep the instrument free of dust and other foreign matter. Avoid touching lens
surPaces, filters or detectors with fingers.
Turn the power off and unplug the instrument
Use disposable gloves
Clean the instrument outside, the track (Fig.ll:l) and the plate carrier (Fig.LI:Z) with
a
cloth dampen
water or mild detergent.
Remove the two retaining screws
(Fig
11:3,
11'4)
of the
measuring
assembly cover and remove the cover.
Clean the track (Fig.
11'5)
inside the measuring assembly as above.
:
Do not touch the measuring circuit hoard
(Fig
116)
by
Clean the eight focusing lenses at the end
of
the optical fibre bundle (Fig. 117) with a cloth dampened with
water, mild detergent or
96
%ethanol.
If
96
%ethanol
is
used. wipe &crwards with a napless cloth dampened
with water. The upper lenses are situated under the detector frame (Fig.l1:8). Remove the two detector frame
from fasteners with washers (Fig.
11:9).
Lift the detector frame from the handle (Fig. 12:1). Clean the upper
lenses (Fig.
122)
by the same way
as
focusing lenses.
t
:
Do not use acctone to clean the plastic lenses (focusing lenses or upper
lenses).
Avoid harsh treatment.
I
ARer cleaning the upper lenses lower the detector frame back to it's
position.
NOTE:
ake sure that the Nail-element sensor
(Fig.
12:s)
is positions
i&12:4).
Replace the detaor frame fasteners with washers
(Fig.
11:9).
Make
sure that detector frame fasteners
are
placed so that the edge in the fastener faces up
(see
Fig
11).
NOTE:
Do not bend the measuring circuit board cable (Fig.
Ik10).
Place the ground wire (Fig.
I
l:1
I) back to its position making sure that the ground wire will stay in its place.
Replace the cover retaining screws. The screw (Fig.
113)
will connea the measuring assembly cover to the
insirument ground to suppress electrical disturbances.
Clean the interference filters with napless cloth
or
with lense paper.
It
is recommended not to use liquids when
cleaning the filters.
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