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User Manual for National 447TBL-10 Stereo Microscope Click to enlarge the picture
Contents of the user manual for the National 447TBL-10 Stereo Microscope
- Product category: Microscopes National
- Brand: National
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for National Microscopes
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User manual for the National 447TBL-10 Stereo Microscope contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any National product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official National user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a National product will considerably shorten its lifespan!
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Product description The National Optical & Scientific Instruments 447TBL-10 Stereo Microscope is a budget-friendly option with a number of useful features. Setting itself apart from the other microscopes in the 446 series, the 447TBL-10 has 2x and 4x objectives, for 20x and 40x magnification. Other defining features include paired widefield 10x eyepieces, a 360° rotatable viewing head, tungsten illumination, and rack and pinion focusing. There's also a limited lifetime warranty, ensuring the 447's place in your institution for generations to come. The aforementioned paired widefield 10x eyepieces sit at a 45° angle. A left-side diopter adjustment, an interpupillary adjustment, and reticle holder/retainers enhance their usefulness as well. The tungsten illumination helps to bring specimens into focus with total clarity. Two lights - a top incidental light and a bottom transmitted light - can be operated with the 4-position control. You have the option of turning on only the top light, the bottom light, or both lights. You can also turn both off using the switch. Sporting an all-metal frame, the 447TBL-10 is tough, able to stand up to daily abuse. The rack and pinion focusing is precise and responsive. However, the microscope also features safety mechanisms, such as a slip clutch and a tension adjustment, that prevent damage. Two 80mm stage plates provide a choice of frosted glass and reversible black/white plastic contrast plates for specimen placement, while locked-on stage clips keep slides secure. - Optical System
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- Paired widefield 10x eyepieces, left-side diopter adjustment, interpupillary adjustment from 55mm to 75mm
- Eyepieces equipped with reticle holder/retainer to accept reticle with 23mm O.D.
- Viewing head rotates 360°, adjusts up or down on post mount to accommodate difference size specimen
- Paired objectives are parfocalled, parcentered, and achromatic
- Magnification changed by rotating objective turret 90° to positive click stops
- Illumination
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- Top light (incidental) is 12V, 10 watt tungsten with adjustable beam
- Bottom light (transmitted) is 12V, 10 watt tungsten
- 4-position light control: top only / bottom only / top and bottom / off
- Base
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- Professional, all-metal frame
- Rack and pinion focusing with slip clutch and tension adjustment
- Includes two 80mm stage plates: frosted glass and reversible black and white plastic contrast plate
- Locked-on stage clips
In the Box National 447TBL-10 Stereo Microscope Limited Lifetime Warranty Table of Contents
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Technical parametersNational 447TBL-10 Specs | Microscope Type | Stereo | | Head | Binocular | | Objectives | 2x, 4x | | Eyepiece | Widefield 10x, 20mm | | Light Source | Tungsten | | Stage | 80mm, frosted glass, reversible black & white contrast plate | | Overall Dimensions | Height: 12.25" / 310mm | | Weight | 505 lb / 2.2kg |
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