background image

                                   

 

 

10

Use a unsuitable oil 

Change 

to 

the 

specified one 

 

The size of the aperture 

diaphragm is too big 

Minify it 

There are stains on the incident 

lens of the binocular tube 

Clean it up 

The size of the aperture 

diaphragm is too small 

Open it up 

The position of the condenser is 

too low 

Adjust the position 

One side of the image 

is dark 

 

 

The condenser is not in the 

center of the field of view\the 

condenser inclines 

Install the condenser 

again and adjust the 

center carefully by the 

centering bolt 

The nosepiece is not in the right 

position 

Turning it until it reach 

the “clicked” position 

The specimen is floating Fix 

it 

The image shifts 

during focusing 

The specimen slips on the stage 

Fix it 

The nosepiece is not in the right 

position 

Turn it to the 

“ clicked ”position 

The image is a little 

yellow 

Not use the blue color filter 

Use the blue filter 

The brightness is not 

enough 

The size of the aperture 

diaphragm is too small 

Adjust again 

The position of the condenser is 

too low 

Adjust the position 

There are stains on the lens

include condenser, objective, 

eyepiece and collector

 

Clean it up 

2

Mechanical Part 

 

Problem

 

Cause

 

Solution

 

The image can not 

focus when using 

high magnification 

objective

 

The specimen is placed 

inversely 

The coverslip is too thick

 

Turn inversely 

Use the standard coverslip

0.17 mm

 

The objective and the 

specimen touch 

when change the low 

magnification to the 

higher magnification

 

The specimen is placed 

inversely 

The coverslip is too thick

 

Turn inversely 

Use the standard coverslip

0.17 mm

 

The specimen  is 

not easy to move

 

The specimen holder is not 

fixed

 

Fix it 

 

Summary of Contents for STM-2010 Series

Page 1: ...ries To ensure the safety obtain optimum performance and to familiarize yourself fully with the use of this microscope it is recommended strongly that you study this manual thoroughly before operating...

Page 2: ...2 STM 2010D Eyepiece Objective Monocular Head Coarse Focusing Knob Fine Focusing Knob Brightness Adjustment Knob Main Switch Stage Condenser Collector...

Page 3: ...mination general biologic pathologic and bacteriological studies clinical investigations and classroom demonstrations Designed in a very modern way what can take convenient and safe to your operations...

Page 4: ...X 2 5 Conjugate Distance 195mm 2 6 Stage STM 2010 D E Double Layers Mechanical Stage 116mmX125mm STM 2010 C Plain Stag with Attachable Mechanical ruler 110 120mm 60 30 mm STM 2010 A B Plain Stage with...

Page 5: ...h Iris Diaphragm Rack and Pinion Adjustment Nosepiece Triple Nosepiece Quadruple Nosepiece Plain Stage with Standard Standard Standard Optional Optional Optional Optional Standard Standard Standard St...

Page 6: ...rved arm use C shaped has sprightly lines Also with upper focus stop the coarse focusing adjustment adopts dovetail guide which make focusing adjustment smooth and comfortable c Base The base is desig...

Page 7: ...efore replacing the bulb with a new of the designated type Open the lamp holder on the bottom of microscope to do the replacement the surface of the new lamp bulb should be clean and free of fingerpri...

Page 8: ...into coincidence Generally speaking the rate of objective increase the location of the condenser need to move up Aperture is design for adjust NA and not for adjust brightness Usually aperture is open...

Page 9: ...nd stain in the field of view There are stains on the lens include condenser objective eyepiece and collector Clean it up There are stains on the specimen Clean it up The position of the condenser is...

Page 10: ...nosepiece is not in the right position Turn it to the clicked position The image is a little yellow Not use the blue color filter Use the blue filter The brightness is not enough The size of the apert...

Page 11: ...ower cord The bulb is not inserted Insert it correctly The bulb burns out Replace it The lamp burns out suddenly Use an unstandard lamp The voltage is too high Use the specified lamp to replace if the...

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