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Related Manuals for National 128-CLED
Summary of Contents for National 128-CLED
- Page 1 National Optical & Scientific Instruments Inc. 6508 Tri-County Parkway Schertz, Texas 78154 Phone (210) 590-9010 Fax (888)512-4111 INSTRUCTIONS FOR MODELS 128-CLED, 129-CLED, and 129B-CLED COMPOUND MICROSCOPES Copyright © 6/13/2018 National Optical & Scientific Instrument Inc.
- Page 2 Coarse focus knob Iris diaphragm lever Knobs controlling X and Y Filter holder movement of mechanical stage On / Off Switch Fine focus knob Illuminator field lens housing Light Intensity Control Base 128-CLED Stage Condenser Stage Clips Stage Disk Diaphragm...
- Page 3 1. EYEPIECE (ocular lens) Lens closest to the eye, magnifies the primary image formed by the objective lens. Dual head model 128-CLED features both an inclined eyepiece (for primary viewing) and a vertical eyepiece for second viewer or for mounting a camera. The inclined eyepiece is equipped with a “pointer” that rotates as the eyepiece is turned.
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Page 4: Operation
OPERATION 1. Place microscope directly in front of you in a manner which permits you to comfortably look into the eyepiece. Note that the head of microscope rotates 360º, permitting you to operate the microscope from the front or from the back, whichever is most convenient for you. - Page 5 When finished viewing, all parts that come in contact with oil must be cleaned. Failure to do so could permanently damage the 100x objective lens. 12. Diopter adjustment for dual head models 128-CLED. These dual head models have a 30 inclined eyepiece to provide comfortable viewing for the primary viewer. They also have a vertical eyepiece so that a second viewer can observe the image simultaneously.
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Page 6: Mechanical Maintenance
Before having costly servicing done, or before returning to National for “warranty repair”, make certain to examine the front lens element with a magnifying glass or eye loupe for the presence of such contaminants. If a microscope is returned to National for warranty repair, and it is determined that such contaminants are the problem, this is not covered under warranty and National will submit a cost estimate for cleaning. -
Page 7: Troubleshooting
3. ELECTRICAL MAINTENANCE The extent of electrical maintenance, by other than a qualified technician, should be bulb replacement. BE CERTAIN TO TURN SWITCHES OFF AND REMOVE PLUG FROM POWER SOURCE OUTLET BEFORE CHANGING BULBS. a. Replacing LED bulb To remove the illuminator field lens housing, use 0.90mm “L” type hex key wrench supplied with your microscope. Loosen the two hex socket set screws located on illuminator lens housing.