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VWR International, LLC., Stereo Zoom Microscope                                     

 

Safety Instructions 

 

Please read this manual carefully before using this product for optimal use.  The indicated cautions are 

related to safety and you should observe all safety and warning instructions to avoid potential damage 

to product and injury to operators.  Keep this manual for future reference. 

 

Note: Use this product only in a way described in the product literature and this manual.  Before using 

the product, verify that this product is suitable for its intended use. 

 

Do not modify the system components or use the unauthorized parts as this will void the product 

warranty. 

  

The following warning labels (or symbols) are found on the microscope, Study the meaning of the 

warning labels (or symbols) and always use the equipment in the safest possible manner. 

                           

Warning Label / Symbol 

Explanation 

 

Indicates that the surface becomes hot, and 
should not be touched with bare hands.

 

 

Indicates that the main switch is ON.

 

 

Indicates that the main switch is OFF.

 

~

 

Indicates alternating current. 

 

 

Summary of Contents for 89404-492

Page 1: ...28 Sept 2012 VWR Stereo Microscope Operation Manual Version 1 0 0 VWR Stereo Microscope 89404 492 89404 494 89404 496 89404 498 89404 500 89404 502 89404 492 VWR Stereo Microscope Dual Halogen 2x 4x www vwr com ...

Page 2: ...VWR International LLC Stereo Zoom Microscope 2 ...

Page 3: ...iterature and this manual Before using the product verify that this product is suitable for its intended use Do not modify the system components or use the unauthorized parts as this will void the product warranty The following warning labels or symbols are found on the microscope Study the meaning of the warning labels or symbols and always use the equipment in the safest possible manner Warning ...

Page 4: ...onents and controls can be found in the diagram on page 2 These instructions are based on the assembly of a binocular model model with additional notes applying specifically for the other models in the series For those models with A objectives objectives referred to are 1X and 2X rather than 2X and 4X whilst for models with B objectives objectives referred to are 1X and 3X Unpacking All components...

Page 5: ...lder with extreme care c Re tighten the head locking screw Warning Before connecting the microscope to an electrical source always check that the voltage coincides with that of the stereomicroscope Operation A Starting Up The stereomicroscope comes with two stages One is frosted glass for the observation of microscopic specimens slides or thin or transparent samples such as leaves insect wings and...

Page 6: ...nsity should be adjusted according to the objectives utilised or the type of sample observed 6 The angle of the incident illumination can be adjusted using the screw that permits variation on the orientation of the illuminator lenses 7 If the stereomicroscope does not work please check the Troubleshooting section of this manual B Interpupillary Adjustment 1 Whilst looking through both eyepieces mo...

Page 7: ...left hand eyepiece tube there is a diopter adjustment collar Its normal position is when the lower part of the collar is aligned with the sign marked on the eyepiece tube In the case of differences in eyesight 1 With the right eye look through the right eyepiece and adjust focus 2 Now use the left eye to look through the left eyepiece and adjust the focus by turning the diopter adjuster on the lef...

Page 8: ...RE ATTEMPTING ANY MAINTENANCE PROCEDURE TO AVOID THE RISK OF ELECTROCUTION CONSULT YOUR DISTRIBUTOR IF ANY REPAIR OR MAINTENANCE PROCEDURE IS REQUIRED TO YOUR MICROSCOPE THAT DOES NOT APPEAR IN THIS INSTRUCTION MANUAL A Optical maintenance Do not attempt to disassemble any optical component For any repair work not specified in this manual consult the technical service responsible in your area Befo...

Page 9: ...ew down firmly Changing incident illumination bulb a Unscrew the illuminator protector tube turning it anti clockwise and removing the tube from that of the lenses b With a cloth carefully pull out the bulb to disconnect it from the socket c Do not touch the new bulb with bare hands use a clean cloth Insert the pins of the bulb in the socket d If the bulb is accidentally touched with bare hands it...

Page 10: ...LUTION The bulb does not work Outlet inoperative Cable not connected Bulb burned out Fuse blown Wrong Bulb Have it repaired by a qualified specialised technician Connect the cable to the power source Replace bulb Replace fuse Replace with appropriate bulb Bulb has short life span Very high voltage Reduce light intensity to the minimum before turning on or off the stereomicroscope Bulb burns out im...

Page 11: ... may also be attributed to dirt on the inside of the eyepiece It is recommended therefore that the lens be cleaned by a recognised service technician Mechanical Problems PROBLEM CAUSE SOLUTION It does not stay in focus The head drops down Adjust the tension of the coarse focus knob Moving the microscope If possible avoid moving the stereomicroscope Carry the stereomicroscope in both hands One hand...

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