Fwd: Mercury arc vapor lamp exploding?

Jerry gordon at med.unc.edu
Thu Nov 30 13:55:53 EST 2000

	I use Hg arc lamps until they start to flicker which varies up to 500
hours. I have not had any lamps explode if they were Osram or the
Japanese company (Uchio? or something). I had some explosions with
poorly designed lamp housings and cheap bulbs many years ago.
sorry for no email address I get a spate of spam each time I post it.

Dan Focht wrote:
> Roy
> You will probably get a several responses to this question.
> Yes! The bulbs do explode with a big big bang!
> If you are not expecting it, and most don't, it can scare the snot out of
> you.
> Hopefully no other bodily emissions.
> Changing the bulb after 200 or 250 hours is wisely recommended.
> When it blows it usually takes with it the collector len$ and mirror.
> Good luck
> Dan
> >
> >Hi all,
> >
> >We were recently advised by the service rep in our
> >area that it is advisable for us to change the mercury
> >bulb in our GFP scope every 250 hours max, regardless
> >of the condition of the bulb-- on the argument that it
> >is possible that, if used past this point, the bulb
> >could explode; causing serious damage to the equipment
> >(and potentially to personnel!).  Anybody know if this
> >is true (has anybody actually had this happen to
> >them?) or is it just that they want to get you to buy
> >more bulbs.
> >
> >Thanks in advance,
> >
> >Roy
> Daniel Focht
> President Bioptechs, Inc.
> 3560 Beck Road
> Butler, PA 16002
> Voice 724-282-7145
> Fax   724-282-0745
> Web site for:
> Live Cell Microscopy Environmental Control
> www.bioptechs.com
> ---

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