UV light question.

Chuck Guzis cclist at sydex.com
Tue Dec 15 11:39:29 CST 2009


On 15 Dec 2009 at 0:14, Geoffrey Reed wrote:

> So, anyone have a good source for UV bulbs between 350 and 440 nm ? 
> At a reasonable price?

Since this is long-wave UV (UVA) , you don't need the germicidal 
lamps, which are made to produce light at about 250 nm.   An old 
consumer "sunlamp" for tanning or a low-pressure mercury vapor 
outdoor luminaire are suitable choices.  Or you can borrow a metal 
halide "grow light" from your friendly local pot farmer.  

Sunlight also works well, if you get the stuff this time of year (he 
said, peering out the window at the dark gray sky).

--Chuck




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