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Projector Notes and Updates

Heat Kills Projector Lamps

Posted by George Spoleto on

Projector overheating is the primary cause of premature LCD, DLP and LCOS projector lamp failure. The high wattage lamps that provide the lumen output for crisp images on the screen also generate a significant amount of heat. If this heat is not effectively removed from inside the projector, lamp life will be compromised. How to prevent heat build-up inside a projector. (1) Most important, confirm that the fan is operating properly whenever the lamp is turned ON. If the fan fails, do not operate the projector until it is fixed. (2) Make sure the projector has free airflow on all...

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How to Extend Projector Lamp Life

Posted by George Spoleto on

Projector lamp life is affected by temperature, altitude, air pressure, humidity and physical impact. Here are some best practices to help extend lamp life: (1) Once the projector is turned on, wait at least five minutes before turning it off to allow the fan to cool the unit. (2) Do not move the projector until the lamp has gone through the five minute cooling period at the end of operation. (3) Make sure the air intake and/or exhaust vent is not blocked during operation. (4) Keep the exhaust vent at least 2 feet from a wall or any object. For...

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UHP Lamps - A Philips Projector Lamp Technology

Posted by George Spoleto on

The UHP lamp (ultra high pressure lamp, usually mercury arc) refers to projector lamps with an internal pressure of over 3000 lbs per square inch. The acronym also stands for ultra high performance. Originally developed by Philips in 1995, it is a common light source for digital data / video front projectors and rear projection televisions because it has very high light output available for the small environments of micro display projectors. The main characteristics of UHP lamps designed for most digital projection applications are: Short arc Very high luminance Long lamp life High luminous efficacy Precise color spectrum Optimized...

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