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SAFETY PRECAUTION：
1. After the equipment has been used in an observation of a specimen that is accompanied with a
potential of infection, clean the parts coming in contact with the specimen to prevent infection.
2. Moving this microscope is accompanied with the risk of dropping the specimen and causing
infections. Be sure to remove the specimen before moving this product.
3. Move the microscope with both hands; one hand catches the arm, and the other hold the base.
4．Specification
Model NO.
Parameters
Zoom Ratio
Objective Magnification
Eyepiece
Binocular Viewing Head
Working Distance
Vertical Movement Range
Illumination System
Input Rating
5. Troubleshooting
Under certain conditions, performance of this unit may be adversely affected by factors other
than defects. If a problem occurs, please review the following list and take remedial action as needed.
If you cannot solve the problem after checking the entire list, please contact your local franchiser for
assistance.
PROBLEM
1 ． Incomplete binocular
vision.
2．Dirt is visible in field of Dirt on specimen
STM-850
1：6
0.8×～5×
Φ22
Inclined at 20°， interpupillary distance range: 50～75mm
Adjustable illumination for both LEDs (top and bottom)
100～240V ，0.15A，50/60HZ
CAUSE
Interpupillary distance is
not correctly adjusted.
Diopter adjustment is
incomplete.
11
STM-864
1：8
0.8×～6.4×
10×WF
Diopter adjustable
78mm
105mm
SOLUTION
Adjust it correctly
Complete
diopter
adjustment
Clean specimen
STM-880
1：10
0.8×～8×
PAGE
7
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