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Ups To Protect That Bulb

Discussion in 'Projectors, Screens & Video Processors' started by GPMCDERM, Oct 13, 2004.

  1. GPMCDERM

    GPMCDERM
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    Has anyone tried/using a UPS on their projector?
    Only asking as we had the power go the other night, it used
    to go alot more...but if a 70euro UPS would be enough
    to run a projector an AE100 in my case,(upgrade would be nice but
    new nipper has stalled the fund for this year) long enough to
    shut it down or would it even switch in fast enough?

    Cheers

    Ger
     
  2. explicitlyrics

    explicitlyrics
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    It would switch in fast enough im sure. Otherwise they would be fairly pointless.
    Based on the fast a £50 UPS is perhaps 700Va that would give enough for a PC and screen for 20-25mins. So it would give a projector for a minimum of 30mins!!!
    In other words it would definietly sort out glitchy power.
     
  3. GPMCDERM

    GPMCDERM
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    Thanks For The Fast Reply....i Know The Bulb Is Going
    To Go One Way Or The Other But It Doesn't Need Any
    Help For The Power Glitch
     
  4. zoolap

    zoolap
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  5. cliocarl

    cliocarl
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    There was a massive post regarding sine waves and the output waves of UPS and how they may affect the bulb too!

    At the end of the day I think the conclusion was that if they power cuts off just let the projector cool down naturally!

    But then agen if you think of a Car, the radiator fan kicks in even when not using the car if the engine is too hot...what if the bulb is too hot and the fan aint on... :oops: maybe a blown bulb?

    I dont know...really this should be an article covered by a magazine HINT HINT, where a few professional opinions or even tests are done, a great selling article I think.

    Or someone who has got a projector, is very wealthy and is willing to do an experiment for us all :D
     
  6. stevelup

    stevelup
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    Hi

    Restarting a lamp whilst it is still hot does far more damage to it than the simple act of shutting it down improperly.

    It is possible that the heat build up resulting from an improper shutdown could damage the projector housing or electronics but you have to assume that the projector manufacturers take that into consideration when designing them.

    In a nutshell - if you ever have a power cut, make sure the projector is disconnected from the mains and allowed to cool down fully (1 hour?).

    Don't be tempted to restart it as soon as the power comes back on.

    Another thing to bear in mind about discharge lamps is that their life span is shortened considerably each time you start the lamp.

    The lamp in a projector turned on once a day for four hours will last much longer than the same lamp in the same projector turned on four times for one hour. Personally, I think projectors should count lamp hours *and* lamp strikes as this would give second hand buyers a better idea what they were buying into!

    Steve
     
  7. Rad

    Rad
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    Wave a big book at it :laugh:
     
  8. zoolap

    zoolap
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    Projectors can read now? :confused:
     

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