OPTO-EDU A12.1095, Инструкция по эксплуатации

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19
6
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Troubleshooting
A12.1095
6.1 Optical Part
TROUBLE CAUSE SOLUTION
The edge of the field
of view is dark or
the brightness is not
uniform
The nosepiece is not in the located
position( The objective is not in the
center of the light path )
Adjust it into the located
position( turning the objective to
let it in the center of the light
path correctly)
The condenser is not centered Adjust it to center
A lens (the objective, condenser,
eyepiece or collector) is dirty.
Clean it thoroughly
Find dust and stain
in the field of view
A lens (the objective, condenser,
eyepiece or collector) is dirty.
Clean it thoroughly
There are stains on the slide Clean it thoroughly
The position of condenser is too low
Adjust the height of the
condenser
Bad image quality
(low-resolution, bad
Contrast)
No cover glass on the specimen Add cover glass
The cover glass is too thick or too
thin Use standard cover glass with
thickness of 0.17mm
The specimen is on the reverse side Turn it over
Dry objective has oil on it.
(especially for 40X objectives)
Wipe the oil
A lens (the objective, condenser,
eyepiece or collector) is dirty.
Clean it
Immersion oil is not used with the
100x objective
Use specified oil
Air bubbles existed in the
immersion oil
Eliminate the bubble
Use the unspecified oil Use the specified oil
The opening of Aperture diaphragm
is too large
turn it down to the proper size
There are stains on the incidence
lens of the binocular head
Clean the lens
The opening of Aperture diaphragm
is too small
Opening it to the proper size
The position of condenser is too low Adjust its position
One side of the
image darkens
The condenser is not in the center of
the field or the condenser incline
Reset the condenser and adjust
the Central bolt of the condenser
carefully
The nosepiece is not in the located
position Rotate the nosepiece to the
required position
The specimen is in the floating state Fix it firmly
The image move
when focus it
The specimen is floating on the
stage
Fix it firmly
The nosepiece is not in the located
position Rotate the nosepiece to the
required position