11
4
．
Specification
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
CAUSE
SOLUTION
PAGE
1
．
Incomplete binocular
vision.
Interpupillary distance is
not correctly adjusted.
Adjust it correctly
7
Diopter adjustment is
incomplete.
Complete
diopter
adjustment
2
．
Dirt is visible in field of Dirt on specimen
Clean specimen
2
Model NO.
Parameters
STM-850
STM-864
STM-880
Zoom Ratio
1
：
6
1
：
8
1
：
10
Objective Magnification
0.8
×～
5
×
0.8
×～
6.4
×
0.8
×～
8
×
Eyepiece
Φ
22 10
×
WF Diopter adjustable
Binocular Viewing Head
Inclined at 20
°，
interpupillary distance range: 50
～
75mm
Working Distance
78mm
Vertical Movement Range
105mm
Illumination System
Adjustable illumination for both LEDs (top and bottom)
Input Rating
100
～
240V
，
0.15A
，
50/60HZ
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.
