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Copyright © 1/14/2013
National Optical & Scientific Instrument Inc.
National Optical & Scientific Instruments Inc.
6508 Tri-County Parkway
Schertz, Texas 78154
Phone (210) 590-9010 Fax (210) 590-1104
INSTRUCTIONS FOR
MODELS 211 & 212 (Corded)
MODELS 211-RLED & 212-RLED (Rechargeable Cordless)
COMPOUND MICROSCOPES
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Summary of Contents for National 211
- Page 1 National Optical & Scientific Instruments Inc. 6508 Tri-County Parkway Schertz, Texas 78154 Phone (210) 590-9010 Fax (210) 590-1104 INSTRUCTIONS FOR MODELS 211 & 212 (Corded) MODELS 211-RLED & 212-RLED (Rechargeable Cordless) COMPOUND MICROSCOPES Copyright © 1/14/2013 National Optical & Scientific Instrument Inc.
- Page 2 Eyepiece (ocular lens) Eyepiece tube Head of microscope Objective turret (nosepiece) Rack stop set screw Objective lens Specimen holder (mechanical stage) Condenser lens Stage Tension adjustment Iris diaphragm lever Swing-out filter holder Illuminator field On/Off switch lens housing and fuse holder (back of base) Rheostat control Coarse focus...
- Page 3 Model 211/211-RLED: Stand with head, one WF10x eyepiece, 4x, 10x and 40x objectives, condenser, specimen holder, dustcover, 2mm “L” hex wrench (for rack stop adjustment), 0.90mm “L” hex key wrench (for eyepiece socket set screw, tension adjustment collar and for lamp replacement), auto cut-off recharger (RLED only).
- Page 4 2. Assure that light is available for illuminating the specimen. 211 and 212 Lighting Operation: a. Make certain that the main voltage of your microscope corresponds to the voltage of your power outlet, 120v AC.
- Page 5 MAINTENANCE WARNING 211/212: For your own safety, turn switch to OFF position and remove electrical plug from power source. 211-RLED/212-RLED: For your own safety, make certain that battery recharger is unplugged and removed from microscope jack before maintaining your microscope.
- Page 6 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 disconnect the charger from the AC wall outlet and the output cord from recharging socket after 12 hours. Batteries and charger may feel warm when charging, and unplugging the recharger is a safety precaution. You may operate the microscope light even while it is being recharged. Simply flip light switch to “on” position and continue using microscope while the recharger is fully engaged.
- Page 8 OPTIONAL ACCESSORIES AND PARTS: #610-045R WF10x eyepiece w/reticle, 10mm/100div. #615-045 WF15x eyepiece w/pointer #760-045 DIN 60xR objective lens, N.A. 0.90 #800-001 Replacement LED light #802-003 Auto cut-off recharger for rechargeable LED microscopes #801-160 Replacement fuse, 0.5 amp, time delay #951 Dustcover, 16”...
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