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Unread 08/09/2016, 12:51 PM   #1
galleon
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Join Date: Apr 2001
Location: Austin, TX
Posts: 1,003
PAR measurements for CREE XM-l2 at 3 amps?

Has anyone made this measurements? I'm interested in building a DIY fixture using only cool white XM-l2s driven at 3 amps. The luminous flux at this power level is stated by the manufacturer to be 975 lumens, but I'm more curious how much PAR each delivers.

Thanks!


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Unread 08/10/2016, 03:19 PM   #2
gus6464
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Join Date: Sep 2009
Posts: 1,079
Don't use XM-L. Buy a Bridgelux Vero 18 5600K 90CRI white instead. It will stomp all over the Cree and put out more light with less amps.

http://www.bridgelux.com/sites/defau...%20Rev%20C.pdf

http://www.digikey.com/product-detai...287-ND/5180259


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