Overhead Projectors

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Overhead Projectors Specification

Model No

Accuracy
100 % %

Voltage
220-240 V Volt (v)

Core Components
Optical Lens, Lamp, Mirror

Measurement Range
A3 to A4 Sheets

Automation Grade
Manual

Feature
Highly Efficient

Temperature Range
0 C to 40 C Celsius (oC)

Frequency
50 Hz Hertz (HZ)

Power Source
AC Electric

Capacity
Approx. 250 Sheets Pcs/hr

Equipment Materials
Plastic & Metal Body

Type
Overhead Projector

Usage
Laboratory

Display Type
Transparent Projection

Dimension (L*W*H)
335 x 385 x 485 mm Millimeter (mm)

Weight
8 kg Kilograms (kg)

About Overhead Projectors

Overhead Projectors

A projector that projects onto a screen or surface the image on a transparency placed over the projector's light source.

Overhead projectors normally include a manual focusing mechanism which raises and lowers the position of the focusing lens (including the folding mirror) in order to adjust the object distance (optical distance between the slide and the lens) to focus at the chosen image distance (distance to the projection screen) given the fixed focal length of the focusing lens. This permits a range of projection distances.

Specification of Over Head Projectors

Body of thick mild steel / fiber Body finished in powder coated colour combinations Projection Head folding type, focusing by Rack-n-Pinion Illuminations : 24V-250W on step-down transformer with solid state control Writing surface: 250 x 250 mm or 285 x 285 mm. Complete with on-off switch, mains indicator,

light intensity control switch, cord-plug & fuse

Standard Accessories with the Equipment: Transparent cellophane roll, writing pack, cleaning cloth, vinyl cover. Packed in a card board box with thermocol packing.

Decline in use Overhead projectors were once a common fixture in most classrooms and business conference rooms,

Optimal Image Clarity for Laboratory Use

Engineered for laboratory environments, the uses a precision triplet lens and manual focusing knob for sharp, clear projection of transparencies. It supports projection sizes up to 2000 mm, making it versatile for group presentations and detailed visual displays.

Built for Consistent Performance and Durability

Constructed with a robust plastic and metal housing, the designed to withstand regular use. The efficient inbuilt cooling fan maintains proper temperature, protecting internal components and ensuring uninterrupted projection sessions.

User-Friendly Operation and Flexible Capacity

Featuring a straightforward manual knob for focusing and a sheet capacity of approx. 250, the simple to operate while accommodating large numbers of A3 or A4 transparencies. Its AC-powered design and clear display type support seamless operation in various laboratory settings.

FAQs of Overhead Projectors :

Q: How do I adjust the focus on the overhead projector?

A: You can fine-tune the image clarity on the using the manual knob adjustment, located near the lens. Simply rotate the knob until the projected image appears crisp and sharp.

Q: What types and sizes of transparencies can this projector accommodate?

A: The suitable for both A3 and A4 size transparent sheets, with a total capacity of approximately 250 sheets, making it ideal for laboratory presentations and demonstrations.

Q: When should I replace the halogen lamp, and how is it done?

A: The halogen lamp should be replaced when it becomes dim or malfunctions. Always allow the projector to cool before changing the lamp, then follow the manufacturers guidelines for safe removal and replacement.

Q: Where can I use the projector effectively?

A: This projector is best used in laboratory environments, educational institutions, or professional settings where transparent projection is required, thanks to its robust construction and efficient cooling system.

Q: What is the benefit of the inbuilt fan cooling system?

A: The integrated fan helps regulate temperature within the equipment (0C to 40C operating range), preventing overheating and prolonging the life of core components such as the lens, lamp, and mirror.

Q: How does the manual operation benefit laboratory usage?

A: Manual controls provide precise adjustments, essential for laboratory experiments and presentations where accuracy and image fidelity are priorities.

Q: What sets the apart from other overhead projectors?

A: Key differentiators include its highly efficient halogen lamp, durable build, triplet optical lens for high accuracy, and a large projection size, making it especially suited for detailed laboratory work.

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