Projectors are inherent part of meetings, seminars, lectures and myriad of other applications. And projector bulbs form an important part of projectors since they are the ones that produce light that is necessary for effective projection of images like maps, charts, presentations and other illustrations. Made of halogen or metal halide, the lifetime of a projector bulb can be from 300 to 4,000 hours depending on its type.
Projectors are inherent part of meetings, seminars, lectures and myriad of other applications. And projector bulbs form an important part of projectors since they are the ones that produce light that is necessary for effective projection of images like maps, charts, presentations and other illustrations. Made of halogen or metal halide, the lifetime of a projector bulb can be from 300 to 4,000 hours depending on its type.
They are also known as projector lamps and being one of the essential parts of the projectors can be replaced when need arises. The ideal thing to do when replacing such bulbs is to look for the appropriate wattage bulb as replacement since they come in different wattage powers. It is essential to consult the user manual of the projector device in order to avoid mistakes during the replacement of the bulbs. Likewise, it is also important to follow the instructions for disposal of busted bulbs.
Essentially, these are halogen light bulbs that emit yellow light instead of the usual white beam. They also emit a humming low noise while functioning. They are not expensive and are used in the older projector models. Mostly, they come in the types of 150- to 500- watt bulbs and don't last that long in general.
Compatible with the newer models of projectors are the bright white light emitting metal halide bulbs which tend to burn much longer than that of the halogen types as well, even emitting light for well over 2,000 hours. Some of the metal halide lamps also work at low wattage and are known as ultra high performance bulbs (UHP lamps).
There are things to be considered before choosing a projector lamp. The first thing to look for is the compatibility, as money can be easily wasted on this. It is best to check for the specifications that come with the projector for bulb requirements. If this is a bit difficult, then the easiest thing to do is to inspect the label of the current bulb that is being used. When it comes to older projectors, the halogen lamps are not that expensive so there is no need to spend more money on them. But the new models use the newer metal halide lamps which tend to be bit more expensive.
The decision to choose the kind of lamp also depends on the exact applications. A heavy duty lamp is needed in case where the projector undergoes a heavy usage so as to provide extended life. When set at economy mode, metal halide lamps can long last for up to 3,000 hours. So such lamps are perfect for projectors used in lectures, regular meetings and conferences. For occasional usage, a halogen type bulb will do.
Along with the frequency of usage, one should take into consideration the purpose and the setting too while deciding on a projector bulb. For example, medical facilities, cinema and fiber optics require projectors that are capable of providing high intensity – a demand that metal halide bulbs can meet. On the other hand, halogen projector bulbs would be a good fit for studios and theaters where soft light is needed. All of these bulbs can be bought online along with G9 and GU10 halogen lamps and also with general incandescent bulbs.
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