[SML] LED room lighting

[Jerry Durand]

Thanks, that helps.  Now to figure out Chinese lumens.  :)


On 8/12/19 5:59 AM, Stephen Litterst via Stagecraft wrote:
> On 8/9/19 1:50 PM, Jerry Durand via Stagecraft wrote:
>> Are there some rules of thumb for fixture wattage for various rooms
>> (shop, lounge, etc.)?  I know LEDs vary a lot in efficiency (see
>> below) but most common LED assemblies seem to be sold by Watts.
>
> The needs are different, depending on what each room would be used
> for. And the guidelines are given in illuminance, since lumens per
> watt differs wildly from fixture to fixture.
>
> Digging into an old textbook, I found this chart --
>
> https://books.google.com/books?id=vfcFAAAAQBAJ&pg=PA333&lpg=PA333&dq=Table+14-2+Machine+Shops+and+Assembly+areas&source=bl&ots=wIwBd3dGpO&sig=ACfU3U0SXtvnI_Rwb2TB8vKBjucEG2ssCQ&hl=en&sa=X&ved=2ahUKEwiFifvYsP3jAhUIhOAKHQUSDrcQ6AEwCnoECBIQAQ#v=onepage&q=Table%2014-2%20Machine%20Shops%20and%20Assembly%20areas&f=false
>
>
> If the link doesn't parse, it's from "Industrial Electricity
> By Michael E. Brumbach" Table 14-2, Machine Shops & Assembly Areas.
>
> Steve L
>
>
>

-- 
Jerry Durand, Durand Interstellar, Inc.
www.DurandInterstellar.com
tel: +1 408 356-3886
@DurandInterstel

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://theatrical.net/pipermail/stagecraft_theatrical.net/attachments/20190812/5e5e004a/attachment.html>