Have a look at this web page, Chris, and write again if it doesn't answer your
question explicitly enough. One of my several labels is "physicist" so I can
explain further if you want (and if no one else gets there before I do!)
http://www.natmus.dk/cons/tp/lightcd/lumen.htm
Chris Hanson wrote:
>
> Risking the appearance (confirmation?)that I'm completely mathmatically
> incompetent, I pose this question: "How do I convert data from a UV meter
> that gives readings in microwatts per square centimeter to a reading of
> microwatts per lumen (the unit of measurement referred to in most
> collections care literature)?" Thanks for your help.
>
> Chris Hanson
> Curator of Collections
> Ketchikan Museums
>
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