To guarantee
Lhe
continuing reliability and accmcy of
Mul
MS
avoid disturbing my of the optical syscem
components.
A
misali~ment of (he light path affects measurements.
Keep the optical system clean
t
ensure propee functioningmd accurateresults. Prevent my liquid from entering
the
instrument. Keep the insaument
Free
of dust and orher foreign
maw.
Avoid touching lens surfaces, filrers or
detectors wilh fingers.
Tum
the power off and unplug (he instrument.
Use
disposable gloves.
Clean the instrument outside,
(he
track (Fig.11: I) andl the plate
carrier
(Fig.I1.:2) with
a
cloth dampened with water
or mild detergent.
Remove the two retaining screws
(Fig.l1:3,11:4)
of the measuring assembly
coves
and remove the cover. Clean the
tnck (Fig.
115)
inside the measuring assembly as above.
e
measuring
circuit
board
(Fig.
ll:6)
by
band.
Clean the eight focusing lenm at the end of the optical fibre bundle (Fig.
113)
with a cloth
mild detergent or
%
%
ethanol.
if
96
%
ethanol
is
used.
wipe afternards with
a
napless cloth
The upper lensesaresituatcd under thedetector frame(Fig.l1:8). Remove
(he
twoderector fme from fasteners with
washers(Fig.
11:9).
Liftthedetector
frame
from he handle (Fig.
12:
1).
Clm (heuppcr lenses (Fig.
122)
by the same
way
as
focusing lenses.
acetone to
clean
the
p
nses).
Avojd
harsh
After cleaning the upper lenses lower
derectr frame back
LO
it's position.
ake
sure that
the
Nall-elewent sensor
(Fig.
19:s)
is
positioned into
its
slot
(Fig.lf:rJ).
Replace the delecmr fnme fasteners with washers pig. 11:9).
e
sure that delecmr frame fasteners
are
placed so
lhat the
edge
in
ihe Fastener
faces
up
(
ndwke(Fig.
1l:ll)bask
und win will stay
in
its place. Replace
(hccover reuiningscrcws. Thescrew (Fig. 11:3) witlconnect the measuring assembly 60verto the instrument ground
to suppress electrical disturbances.
Clean the inlerference filten with napless cloh
w
with lense
paper.
It
is
recommended nor
to
use
liquids whcn
cleaning
(he
Filers.
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