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Thread: Mini-TSA U.V. Flashlight
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Old May 7, 2008 | 7:36 pm
  #14  
birdstrike
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Join Date: Oct 2000
Posts: 15,788
Originally Posted by IslandBased
Oh, you may want to invest in a UV source that emits short wave UV as well as long wave UV. Some items only fluoresce under one or the other, or emit a different visible spectrum color under each. Thats what I remember from my science fair project...
100% correct. I have the Inova 395nm UV LED light.

FT Luggage tags light up a spectacular yellow. CA drivers licenses respond weakly and incompletely. Security threads in many foreign currencies are quite bright.

YMMV depending on what you are looking for.

Something like this may cover all bets at a reasonable price.
Last edited by birdstrike; May 7, 2008 at 8:45 pm Reason: correcting units
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