Compatible Projector Lamps by Philips
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1. The projector image seems dimmer than usual - what does this mean?
It may be time to replace your projector lamp. With metal halide (high pressure mercury) lamps, you'll notice a dimming of the image brightness as the lamp loses power. Some projectors allow you to check the number of hours your lamp has been used through the built-in menu system. Check your user guide for information about this feature.
2. How many hours will my projector lamp work?
Just like any light bulb you would use for another purpose, projector bulbs have an expected operating time, called lamp life. This value is expressed in number of hours - typically 1000 to 2000 hours. Newer models are claiming 4000 hours of lamp life and more. The lamp's success rate is based on a bell curve, so that a majority of (but not all) lamps will meet the lamp life hours specified. Some lamps will fail sooner and this is part of the acceptable operating range of the rating.
For projectors that are used under normal operating conditions (no more than three to five hours per day in a clean, relatively dust-free environment) the lamp will have the greatest likelihood of lasting through its entire rated lamp life. Projectors that are used more often or are exposed to environmental contaminants are more likely to show a decrease in lamp life. Projectors that are operated 24 hours a day, 7 days a week are at the highest likelihood of lamp failure before the end of the rated hours.
3. What can I do to help my projector lamp last longer?
Do not allow the projector to become overheated. The number one cause of lamp failure is excessive heat. Follow the instructions in the user manual for powering down the projector to ensure that the projector has had an adequate cool-down period.
Operate your projector in a clean, relatively dust-free environment. Clean air filters regularly.
Utilize the "economy mode" if it is available with your projector model.
It may be time to replace your projector lamp. With metal halide (high pressure mercury) lamps, you'll notice a dimming of the image brightness as the lamp loses power. Some projectors allow you to check the number of hours your lamp has been used through the built-in menu system. Check your user guide for information about this feature.
2. How many hours will my projector lamp work?
Just like any light bulb you would use for another purpose, projector bulbs have an expected operating time, called lamp life. This value is expressed in number of hours - typically 1000 to 2000 hours. Newer models are claiming 4000 hours of lamp life and more. The lamp's success rate is based on a bell curve, so that a majority of (but not all) lamps will meet the lamp life hours specified. Some lamps will fail sooner and this is part of the acceptable operating range of the rating.
For projectors that are used under normal operating conditions (no more than three to five hours per day in a clean, relatively dust-free environment) the lamp will have the greatest likelihood of lasting through its entire rated lamp life. Projectors that are used more often or are exposed to environmental contaminants are more likely to show a decrease in lamp life. Projectors that are operated 24 hours a day, 7 days a week are at the highest likelihood of lamp failure before the end of the rated hours.
3. What can I do to help my projector lamp last longer?
Do not allow the projector to become overheated. The number one cause of lamp failure is excessive heat. Follow the instructions in the user manual for powering down the projector to ensure that the projector has had an adequate cool-down period.
Operate your projector in a clean, relatively dust-free environment. Clean air filters regularly.
Utilize the "economy mode" if it is available with your projector model.
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