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Copyright © 1/2/01
National Optical & Scientific Instrument Inc.
National Optical & Scientific Instruments Inc.
6508 Tri-County Parkway
Phone (210) 590-9010 Fax (210) 590-1104
INSTRUCTIONS FOR
MODELS 131, 132, 131-CLED & 132-CLED
COMPOUND MICROSCOPES
NOTE: These models share common features, nomenclature and
method of operation. The only difference are...
Models 131 & 132 feature electric illumination from a
tungsten bulb.
Models 131-CLED & 132-CLED feature electric illumination from a
LED bulb.
Models 132 & 132-CLED have both 30° inclined and vertical
eyepiece tubes, each supplied with WF10x
eyepiece.
Schertz, TX 78154
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Related Manuals for National 131
Summary of Contents for National 131
- Page 1 MODELS 131, 132, 131-CLED & 132-CLED COMPOUND MICROSCOPES NOTE: These models share common features, nomenclature and method of operation. The only difference are… Models 131 & 132 feature electric illumination from a tungsten bulb. Models 131-CLED & 132-CLED feature electric illumination from a LED bulb.
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Page 2: Operation
UNPACKING 1. For Models 131 & 132, carefully remove microscope, dustcover and for Models 131-CLED & 132-CLED also remove a “L” hex wrench. Always handle and move microscope by securely holding the arm of microscope. Avoid touching any of the lens surfaces while handling the microscope. - Page 3 2. Insert microscope plug into matched voltage outlet. On Models 131, 131-CLED & 132, flip on/off power switch located on base to “ON” position. On Model 132-CLED, rotate on/off power switch located on base to “ON” position. 3. Rotate coarse focus knobs to move stage down (away) from objective lens as far as possible.
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Page 4: 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 5: Electrical Maintenance
Replace with a 110v 20 watt lamp with double contact, medium bayonet base. This is a standard, commonly used replacement bulb. National #800-102. Carefully wipe lamp to insure it is clean and free of all fingerprints. Replace field lens housing assembly. -
Page 6: Troubleshooting
#615-045 WF15x eyepiece w/pointer #760-045 DIN 60xR objective lens, N.A. 0.90 #800-001 Replacement LED bulb (131-CLED & 132-CLED only) #800-102 Replacement bulb, 115v 20 watt tungsten D.C. medium base (131 & 132 only) #801-160 Replacement fuse, 0.5 amp, time delay (131-CLED &...