published: September 23rd, 2008

Projector Lamp And Its Type

can transfer an image from multimedia projector onto a big screen for audience to view. They convey to all kinds of audience from business organizations to education organizations.

Halogen Bulbs are mainly used for projection purpose for many years. These halogen bulbs produce a yellow tone on images. Projector lamps produce white light with the help of metal halide bulb. The produced white light shines onto a number of small glasses in the projector and passes the image through air and onto the screen. There are three main types of projector lamps overhead projector lamps, slide projectors and multimedia.

They have a flat surface. The image created by the bulb is sent to a special type of mirror which makes the image bigger and projects onto a blank screen. These type of overhead projectors are used in class rooms for education purposes. Business people can also use these in conference and meetings.

They contain a special slot for 35 millimeter slide. Slide shows are best used by business people and teachers who rely on demonstrating things. Photographers use these for special photography projects. They are easy to store and you can rely on them for long time.

The multimedia projectors are the most expensive. They project images, videos to a movie screen or onto a wall. They are used at movie theaters and expensive home

published: April 24th, 2008

Information on Projector Lamps

Warranty

Warranties differ between manufacturers so check with users manual. If you do not have users’ manual, request through websites. There are many websites which provide user manuals if you request. Normally the warranty is 60 or 90 days from the date you buy with receipt.

Life Expectancy

Older projector lamps last roughly one thousand hours. Newer multimedia projectors last double the time when compared to older projector lamps. Few multimedia projectors can last even up to four thousand hours.
There are two different lamp ratings in their specs. The lower number is the life expectancy under normal use. There are also a higher number of hours offered if you use the projector in Eco-mode.

Keep away from unsafe climates

Keep away from extreme cold conditions. When is exposed to 40 degree or below it may explode if you turn on immediately. Allow the projector to warm to room temperature before turning on the projector so that you can avoid the dangerous scenario of an exploding .

Discard the lamp properly

Some projector lamps contain mercury. Some states have laws that require projector lamps to be disposed of as a hazardous material if they contain mercury. Check with your audio-visual sales associate to find out what the disposal laws are for your state.

Avoid disturbing projector

Don’t disturb your projector when it is in switched on state, this may also lead to shorten your lamp life and at the worst, it could cause the to burst.

Article Source: http://www.avpartner.com/tips_lamps.aspx