Re: UV LED
From: Jerry G. (jerryg50_at_hotmail.com)
Date: 08/19/04
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Date: Thu, 19 Aug 2004 18:25:01 -0400
The UV frequency used for your application is 365 nm. You will have a
difficult time to have a UV LED powerful enough to be practical for
automotive leakage inspection. You would have to invest in the proper lamp
unit for this. If you are to use this in an environment where the ambient
light is not too bright, you can get away with an 8 Watt or so UV tube type
lamp. If you are going to use this in a brightly lit environment, you would
be best to get an inspection lamp of upwards of 50 Watts. These lamps have
the proper band filter built in, to make sure that the proper wavelength for
your application is leaving the lamp unit.
When using industrial UV lamps, even in the low UV spectrum, it is strongly
suggested to use the proper UV protection eyewear. Standard specials with a
UV rating are not good enough for these types of high intensity UV lamps.
There would be also too much side light getting through. The proper UV
goggles cover the eye area in a manner that there is no UV leakage to the
eyes at all.
http://uvp.com/new/index.php?module=ContentExpress&func=display&ceid=111
-- Jerry G. GLG Technologies GLG ========================== "Bob Urz" <sound@inetnebr.com> wrote in message news:41236be3$1_2@corp.newsgroups.com... I am trying to trouble shoot the AC in my truck. I am going to put UV dye in it for leak detection. I see they sell these cheap looking UV flash lights with a single LED in the end with two AAA batteries. Now, my question is what kind of LED do they use? Is it just a infrared type or something else to illuminate the UV dye? I figured i could roll my own for a few bucks if i could ID the LED type they use to detect the UV dye. Any suggestions? Bob -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 100,000 Newsgroups - 19 Different Servers! =-----
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