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info on fluorescent lighting

Starbuck pmdlandarch at xearthlink.net
Mon Nov 22 11:14:23 EST 1999

Most manufacturer's have lumen data available. You need to ask customer
service for the "Specifications Manual" or "cut sheets".  They wouldn't
ordinarily publish the color rendering, and in fact, it probably varies over
the life of the bulb and perhaps with the intensity of the power source.  An
engineer in their research department might have it.  But I'm not sure that
plants really care that much, so long as the daylight range is provided, any
excess light in a specific color range would simply not be used.

Ken wrote in message
<2993-3837505D-112 at storefull-153.iap.bryant.webtv.net>...
>Does anybody know where I can find specific information on the light
>quality of various fluorescent bulbs. I would like to find info on total
>lumen output, color temperature, color rendering index [cri] and light
>spectrum graphs. If anybody knows of a web site, book or anything please
>let me know. I have heard of hand held light spectrum meters has anybody
>used these.I have had  a light catalog from G.E. this was informative
>but did not give light spectrum charts.   Thanks  Ken

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