Related Manuals for National 111
Summary of Contents for National 111
- Page 1 National Optical & Scientific Instruments Inc. 6508 Tri-County Parkway Schertz, Texas 78154 Phone (210) 590-9010 Fax (210) 590-1104 INSTRUCTIONS FOR MODEL 111 COMPOUND MICROSCOPE Copyright © 1/2/01 National Optical & Scientific Instruments, Inc.
- Page 2 Eyepiece Eyepiece locking set screw Eyepiece tube Microscope head Arm of microscope Objective turret Objective lens Safety Rack Stop Stage clip Condenser lens (located in center of stage) Tension adjustment Disc diaphragm (behind focus knob) Focus knob Illuminator field lens housing On/Off Switch Base...
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Page 3: Unpacking The Microscope
INTRODUCTION Thank you for your purchase of a National microscope, It is a well built, precision instrument and carefully checked to assure that it reaches you in good condition. It is designed for ease of operation and years of carefree use. The information in this manual probably far exceeds what you will need to know in order to operate and maintain your microscope. - Page 4 2. 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. It also permits convenient sharing of microscope by more than one user, by simply rotating head, without needing to move entire microscope.
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Page 5: Mechanical Maintenance
Note: Take care when rotating 40x objective into place. This is the longest lens and has a spring retractable mechanism which retracts slightly into its housing if the front of the lens comes in contact with the specimen slide while focusing the microscope. This prevents damage to the lens or slide. -
Page 6: Electrical Maintenance
B. Note that the lamp does not screw out. Remove by depressing lamp slightly and rotating in a counter-clockwise direction until it pops up slightly. C. This model requires National #800-102 115v 20 watt bulb with D.C. (double contact) medium bayonet base. This is a bulb specific to microscopes, and should be available from the dealer from which you purchased the microscope. -
Page 7: Optional Accessories And Parts
OPTIONAL ACCESSORIES AND PARTS: #615-045 WF 15x eyepiece w/pointer #800-102 Replacement bulb, 115v 20 watt, D.C. medium bayonet base #800-102-220V Replacement bulb, 220v 20 watt, D.C. medium bayonet base (for use in locations having 220v electrical supply) LIMITED LIFETIME WARRANTY Please see our website, www.nationaloptical.com, for complete warranty details and exclusions.