D400T - Microscope Levenhuk - Free user manual and instructions
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| Product Type | Biological Microscope |
| Model | D400T |
| Brand | Levenhuk |
| Head | Trinocular, 30° inclined, 360° rotatable |
| Eyepieces | WF10x/20 mm (2 pcs), one with diopter adjustment |
| Objective Lenses | 4x, 10x, 40x (spring-loaded), 100x (oil, spring-loaded) |
| Magnification Range | 40x - 1000x |
| Revolving Nosepiece | Quadruple, ball bearing mounted |
| Stage | Double-layer mechanical stage, 140x140 mm, with coaxial knobs |
| Condenser | Abbe N.A. 1.25, with iris diaphragm and filter holder |
| Focus System | Coaxial coarse and fine (0.002 mm increments) |
| Illumination | LED, 3W, adjustable brightness, with built-in battery (rechargeable) |
| Power Supply | AC 100-240V, 50/60 Hz, or built-in 3.7V 700mAh rechargeable battery |
| Dimensions (LxWxH) | Approx. 300 x 200 x 420 mm |
| Weight | Approx. 8.5 kg |
| Warranty | Lifetime warranty (excluding consumables) |
| Package Contents | Microscope, 3x AA batteries (or AC adapter), dust cover, 5 blank slides, immersion oil, user manual |
| Maintenance | Clean lenses with lens paper and isopropyl alcohol; store in dust-free environment |
| Safety | Use only specified power adapter; avoid direct sunlight; keep away from water |
| Spare Parts | Available: eyepieces, objectives, bulbs, fuses, stage clips, dust cover |
Frequently Asked Questions - D400T Levenhuk
What magnification can I achieve with the Levenhuk D400T?
The microscope provides total magnification from 40x to 1000x using the provided eyepieces (10x) and objectives (4x, 10x, 40x, 100x).
Can I use oil immersion with the 100x objective?
Yes, the 100x objective is designed for oil immersion. Apply a drop of immersion oil onto the slide before bringing the objective into contact.
How do I adjust the brightness of the LED illumination?
Brightness is controlled by a rotary knob located on the right side of the base. Turn it to increase or decrease intensity.
Is the microscope suitable for photography?
Yes, the trinocular head allows you to attach a camera via an optional adapter (not included) to capture images or videos.
What type of batteries does the microscope use?
The built-in rechargeable battery is 3.7V, 700mAh. It can be charged via the included AC adapter. Alternatively, you can power the microscope directly from mains power.
How do I clean the lenses?
Use lens cleaning paper and a few drops of isopropyl alcohol. Gently wipe in a circular motion. Avoid touching lenses with fingers.
Can I use the microscope with a smartphone?
Yes, with an optional smartphone adapter (not included) you can attach your phone to the eyepiece to take photos or videos.
What is the warranty period?
Levenhuk offers a lifetime warranty for this microscope covering manufacturing defects. Consumables like bulbs and batteries are not covered.
How do I focus correctly?
Use the coarse focus knob to bring the image roughly into view, then fine-tune with the fine focus knob (0.002 mm per division) for sharp detail.
Can I replace the LED bulb?
The LED is built-in and not user-replaceable. If it fails, contact Levenhuk support for repair or replacement.
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USER MANUAL D400T Levenhuk
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Product information
Brand : Levenhuk
Model : D400T
Category : Microscope