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Locking the eyepieces 

To lock the eyepieces in binocular models, please find the screw as indicated in picture (A). Please note that the 
location can be slightly rotated.

The eyeshades (optional) 

The eyepieces can be equipped with optional rubber eyeshades. These prevent damage to the lens and stray light. The 
eyeshade can simply be slipped over the eyepiece 

Connecting the power cord 

The MSU-200 Series support a wide range of operating voltages: from 100 to 240 VAC Please use a grounded power 
connection 

• 

 Make sure the power switch is off before connecting 

• 

 Insert the connector of the power cord into the power socket and make sure it connects well 

• 

 Insert the other connector into the mains socket and make sure it connects well 

Do not bend or twist the power cord,

 it may get damaged. Use the power cord that is supplied by Cole-Parmer. If it is 

lost or damaged, choose one with the same specifications

Replacement of the Power Cord 

If the power cord requires replacement, ensure that it is suitably rated. If in doubt consult your local dealer or qualified 
electrician

Operation 

Setting up the illumination

For optimal contrast and resolution one should follow the below procedure: 

• 

 Place a specimen on the object stage and focus using the 4x objective, with a fully opened iris diaphragm 

• 

 Turn light intensity to lowest position, then look through the eyepiece(s) and turn up to a comfortable light 
intensity level 

• 

 Turn the condenser in the highest position 

• 

 Close the iris diaphragm, until it is just visible on the edge of the field of view

The microscope is properly set for use with the 4x objective. For each other magnification in brightfield use, this 
procedure should be repeated to ensure the best balance between contrast and resolution

 

Caution:  

The maximum light intensity when using the 4x and 10x may cause damage to the eyes! 

9

Summary of Contents for 78904-00

Page 1: ...Installation and Operating Instructions MSU 200 Series Compound Microscope Model 78904 00...

Page 2: ...___________________________________________11 The field K hler diaphragm_____________________________________________________________________11 Adjusting the aperture diaphragm _______________________...

Page 3: ...cover glass never comes in direct contact with the microscope parts In that case prevention of contamination lies in the handling of the slides as long as the slides are decontaminated before use and...

Page 4: ...sed disinfection products for laboratories Before returning a microscope for repair or maintenance through a Cole Parmer dealer an RMA return authorization form together with a decontamination stateme...

Page 5: ...between 5 to 40 C and humidity should be within 20 to 80 RH Although the system is anti mold treated installing this product in a hot humid location may still result in the formation of mold or conde...

Page 6: ...and the slide The Numeric Aperture N A of the objective is an indication for the resolving power of the objective The total magnification can be calculated by multiplying the magnification of the eye...

Page 7: ...Safety device J Revolving nosepiece for 4 objectives C Tension adjustment K Objectives D Coaxial coarse and fine adjustment L Object stages mechanical stage or clips E On Off switch not visible M Cond...

Page 8: ...cord immediately and dry the microscope Assembling steps We always try to keep the number of assembly steps as low as possible but in some cases there are some steps to be taken The steps mentioned b...

Page 9: ...ied by Cole Parmer If it is lost or damaged choose one with the same specifications Replacement of the Power Cord If the power cord requires replacement ensure that it is suitably rated If in doubt co...

Page 10: ...to heavy according to your own preference Please note that when the specimen leaves the focus plane after focusing or the stage declines out of its own then you need to adjust the tension To tighten...

Page 11: ...ecimen 3 Rotate the field diaphragm adjustment ring to put the field diaphragm to the smallest position 4 Adjust the condenser to get the sharpest image 5 Adjust the center adjustment screw and center...

Page 12: ...per that is moistened with a drop of isopropanol 13 Clean the slide after use as well Caution Never put a drop of xylol or alcohol directly on the lens of the objective It may enter the objective and...

Page 13: ...ve the fuse compartment To do so insert a flat head screwdriver between the metal power tines and gently pry the fuse compartment loose with a slight downward and outward motion Insert the new fuse in...

Page 14: ...___________________________________________________ ___________________________________________________________________________________________________ ________________________________________________...

Page 15: ...15...

Page 16: ...2022 Cole Parmer Instrument Company LLC Toll free 1 800 323 4340 Phone 1 847 549 7600 Fax 1 847 247 2929 coleparmer com 1065Y62_M_CP_MSU 200_Series_Compound Microscope_Manual...

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