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User Manual for National 453TBL-15-LED 2x 4x Stereo Microscope Click to enlarge the picture
Contents of the user manual for the National 453TBL-15-LED 2x 4x 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 453TBL-15-LED 2x 4x 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 453TBL-15-LED 2x/4x Stereo Microscope from National Optical is a dual magnification stereoscopic microscope designed for laboratories, high school and university students. The stereo (two) eyepiece configuration is preferred by most researchers and students because of the superior depth of field and comfort compared to monocular microscopes. This model of the 453 stereo microscope has a paired 15x eyepiece delivering 30x and 60x magnification. Two achromatic paired objectives are parcentered and parfocalled to keep the specimen centered and focused when switching between the two magnification settings.The 453TBL-15-LED microscope can illuminate specimens from above and/or below using cordless LED lights activated by separate base-mounted On/Off switches. LED lighting is suitable for microscopy because of its cool operating temperature, relatively white color temperature, and energy efficiency. The cordless LED lights will provide up to 50 hours of illumination after a full eight-hour charge. The rack and pinion system has a single focus dial and includes a slip clutch mechanism to prevent mishandling. An adjustable interpupillary distance, left-side diopter correction, and reticle holder/retainer make the 453 stereo microscope a welcome addition to classrooms as well as labs. - Optical System
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- Paired 15x (20mm) inclined eyepiece
- 2x and 4x achromatic objectives
- 30x and 60x magnification
- Parfocalled, parcentered, paired objectives
- 75mm / 3" working distance, 35mm / 1.4" maximum specimen height
- Eyepiece with diopter adjustment and reticle holder/retainer
- 55-75mm / 2.2-3" interpupillary distance
- Focusing
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- Rack and pinion focus system
- Slip clutch prevents over-turning
- Tension adjustment prevents focus drift
- Lighting
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- Incidental (top) cordless LED illumination
- Transmitted (bottom) cordless LED illumination
- Up to 50 hours of continuous operation on a full charge
- Dual base-mounted On/Off switches
- Construction Details
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- 80mm frosted glass and 80mm reversible black and white stage plates
- Locked on metal stage clips
- Cast metal frame
- Grey enamel finish
- 12.2" (31 cm) height
- 5.5 lb (2.5 kg) weight
In the Box National 453TBL-15-LED 2x/4x Stereo Microscope Eyeshields Dustcover Limited 5-Year Warranty (Excluding Bulb and Batteries) Table of Contents
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Technical parametersNational 453TBL-15-LED Specs | Microscope Type | Stereo | | Eyepiece | 15.0x (20 mm) | | Objective(s) | 2.0x / 4.0x | | Head | Inclined | | Light Source | LED (incidental/transmitted) | | Light Control | 4-position On/Off | | Stage | 80 mm frosted glass and reversible black/white contrast plate | | Power Supply | (3) rechargeable AA batteries | | Runtime | Up to 50 hours | | Interpupillary Adjustment | 2.2 - 3" (55 - 75 mm) | | Maximum Specimen Height | 1.4" (35 mm) | | Maximum Height | 12.2" (31 cm) | | Weight | 5.5 lb (2.5 kg) |
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