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Led high bay lighting
Posted on 4/15/19 at 8:10 pm
Posted on 4/15/19 at 8:10 pm
Anyone have any experience with figuring out how many led lights it takes to light up a certain amount of square footage?
I have gotten a broad number of figures from different companies. Not one is the same on the amount of light fixtures and the amount of lumens per fixture.
I have a 50’ x 75’ x 14’ metal building I would light to put leds in. It need to be well lit for woodworking but not too damn bright as if I were doing surgery. Any help would be appreciated.
I have gotten a broad number of figures from different companies. Not one is the same on the amount of light fixtures and the amount of lumens per fixture.
I have a 50’ x 75’ x 14’ metal building I would light to put leds in. It need to be well lit for woodworking but not too damn bright as if I were doing surgery. Any help would be appreciated.
4
Posted on 4/15/19 at 9:33 pm to Hunter82378
Do you want a standard 2x4 high bay fixture, or something more like a gymnasium fixture? Where will you be purchasing from?
If you can wait until the morning, I can run some calcs for you if you have an idea of the two questions above.
If you can wait until the morning, I can run some calcs for you if you have an idea of the two questions above.
Posted on 4/15/19 at 9:41 pm to Hunter82378
Most of the big lighting companies have tools on their websites to figure this out.
Whats the ceiling/eave height? Are you replacing lights or is it a new building?
Whats the ceiling/eave height? Are you replacing lights or is it a new building?
Posted on 4/16/19 at 7:05 am to Hunter82378
Need to know the style of light (can, pendent, tube)
Different companies will have different specs.
I'd probably go with tube style lights, 10 should be good (staggered 3/2/3/2), pick up 12 and see how much light it puts out
Different companies will have different specs.
I'd probably go with tube style lights, 10 should be good (staggered 3/2/3/2), pick up 12 and see how much light it puts out
Posted on 4/16/19 at 7:26 am to Hunter82378
Lithonia offers a free lighting calculation software called Visual. Might be worth your time. Pretty easy to learn.
Posted on 4/16/19 at 8:31 am to notsince98
Ok, so I went ahead and ran some calcs for you. Since I haven't seen a response from you, I just used 2x4 fixtures suspended down at 12'.
Click the link for a PDF which shows you foot-candle levels at the floor. It also shows the fixture that I used.
Metal Building Lighting
Click the link for a PDF which shows you foot-candle levels at the floor. It also shows the fixture that I used.
Metal Building Lighting
Posted on 4/16/19 at 9:07 am to nismosao
Will lighting shops help me run these calcs? I need to add a bunch of recessed lights and swap out the fan lights in a house.
I was going to just copy my existing house layout since it’s close.
I was going to just copy my existing house layout since it’s close.
Posted on 4/16/19 at 9:14 am to eng08
I mean if you have a floor plan or interior dimensions, it's very easy. The biggest problem is trying to find the .ies files for the fixture you are using, especially if it's a Home Depot special.
Posted on 4/16/19 at 5:44 pm to nismosao
Your the man! I sure appreciate your time. Where can I get these fixtures you have drawn in?
Posted on 4/16/19 at 6:14 pm to nismosao
The “+” symbols indicate the foot candles in that area? If so I might need to go with a little more lumens to get to 60 fc across the whole slab. I see some areas only have high 20’s. Might be a problem in the corners of shop.
Posted on 4/16/19 at 7:54 pm to Hunter82378
quote:
Where can I get these fixtures you have drawn in?
You can go to a supply house. Like a Nulite or something similar. Not sure, but Home Depot May have something similar. The product number is on the drawing.
Posted on 4/16/19 at 7:59 pm to Hunter82378
quote:
The “+” symbols indicate the foot candles in that area? If so I might need to go with a little more lumens to get to 60 fc across the whole slab. I see some areas only have high 20’s. Might be a problem in the corners of shop.
Yes, the numbers all indicate foot-candles. Are you sure you really need 60 fc across the whole shop? I’m an electrical engineer, so I do this often. This is what I would design if I were doing it for a client. However, you can look up the cut sheet for the fixture I used and there are higher lumen packages.
One other thing to think about is if you have the shop conditioned or not. If not, you want something that has a high ambient temperature rating so the led’s do not degrade super quick.
Posted on 4/16/19 at 8:11 pm to nismosao
Yes I agree on temp rating. I have noticed that the cheap leds have a lower temp rating.
Well if your an electrical engineer then who am I to tell you I think I need more foot candles in the corners. If you say this will be good then I’ll go with it. Thanks a million.
Could you email me your contact info? I would like to give you a call and ask a few more questions. Quirk82378@aol.com
Well if your an electrical engineer then who am I to tell you I think I need more foot candles in the corners. If you say this will be good then I’ll go with it. Thanks a million.
Could you email me your contact info? I would like to give you a call and ask a few more questions. Quirk82378@aol.com
Posted on 4/16/19 at 9:02 pm to Hunter82378
(no message)
This post was edited on 4/17/19 at 4:26 am
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