background image

Technical specifications are subject to change without notice for update.

One side of image is 
dark or image is 
moving as focusing.

Objective isn’t in correct optical 
path.

Rotate the objective to 
correct position. 

Specimen isn’t placed 
correctly.

Place specimen level in 
specimen holder.

Objective touches 
specimen when 
changing from low 
power to higher 
power.

Cover glass of specimen  
doesn’t meet the requirement.

Place specimen 
correctly.

Cover glass is too thick.

Use required thickness 
cover glass (0.17mm).

Image observed with 
both eyes isn’t in 
proper alignment.

Interpupilary distance isn’t 
adjusted correctly.

Adjust Interpupilary 
distance.

Visual fatigue after 
observation.

Diopter isn’t adjusted correctly.

Adjust diopter

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7

Содержание VM200 Series

Страница 1: ...VM200 Series Biological Microscope Instruction Manual To ensure your safety and to obtain satisfactory performance please study this manual before using the microscope VM200...

Страница 2: ...mm 75mm 5 Focusing system Coaxial Coarse and Fine Focusing Knobs Coarse stroke maximum 25mm Fine division 2 m 6 Condenser Abbe N A 1 25 Adjustable aperture up down range 12mm 7 LED Light Source Input...

Страница 3: ...tage A5 Abbe Condenser A6 Illuminator A7 Base A8 Main Body A9 DC Input Socket A10 Power Adapter A11 Power Cable Operational Parts B1 Nosepiece B2 Slide Holder B3 Iris Diaphragm B4 Tension Adjusting Ri...

Страница 4: ...e it is recommended that it be serviced regularly In case of damage contact Valley Microscope via email service valleymicroscope com Any unauthorized service repairs may void the warranty 4 Observing...

Страница 5: ...trument will be seriously damaged 3 Preventing burns and fire Alcohol gasoline paper and other flammable materials must be kept away from the illuminator 4 Carrying and operation Power must be turned...

Страница 6: ...position The size of aperture diaphragm is too small Adjust the size of aperture diaphragm Lens objective eyepiece condenser illuminator collector has dust Clean lens Position of condenser is too low...

Страница 7: ...level in specimen holder Objective touches specimen when changing from low power to higher power Cover glass of specimen doesn t meet the requirement Place specimen correctly Cover glass is too thick...

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