New led builds, with par numbers

linky

linky

Well-Known Member
I built a 1000 watt Vero 29 fixture a couple weeks ago.. I decided to build 2 more. Here are the parts.

Doing a 10 cob Vero 29 Gen 7 3000K C all 90 CRI and an all 80 CRI light.

5 of these Vero 29 Gen 7's C's 3000k 80 CRI - $30.28 each

https://www.digikey.com/product-detail/en/bridgelux/BXRC-30E10K0-C-73/976-1398-ND/6152408

5 of these Vero 29 Gen 7's C's 3000k 90 CRI - $31.90 each

https://www.digikey.com/product-detail/en/bridgelux/BXRC-30G10K0-C-72/BXRC-30G10K0-C-72-ND/6181453

5 of these HLG-185H-C1400B drivers - $54.72 each

http://www.mouser.com/Search/ProductDetail.aspx?R=HLG-185H-C1400Bvirtualkey63430000virtualkey709-HLG185H-C1400B

10 of these LEDIL ANGELINA Series 1 92° Round White Reflector - $3.49 each

http://www.futureelectronics.com/en/Technologies/Product.aspx?ProductID=F13838ANGELINAXWLEDIL8043516&IM=0

10 of these LEDIL Round Base Clamp For Bridgelux Vero Series Reflector - $0.68 each

http://www.futureelectronics.com/en/Technologies/Product.aspx?ProductID=C13584CLAMPVERO29LEDIL1034959&IM=0

3 of these Black Anodized 8020 series 10 96" extrusions - $23.50 each

http://www.tnutz.com/product/ex-1010-black-1-x-1-smooth-t-slotted-aluminum-extrusion-black-anodized/?attribute_pa_length=96-inche

4 of these 8020 Black Anodized Corner Brackets - $3.60 each

http://www.tnutz.com/product/cb-010-k-black-4-hole-inside-corner-gusset/

12 of these 8020 Black Anodized Corner Brackets - $2.00

http://www.tnutz.com/product/cb-010-a-black-10-series-black-2-hole-inside-corner-gusset/

I ordered 100 of these (per light) (more than enough) T Nuts and Screws $0.19 each

http://www.tnutz.com/product/economy-t-nut-screw/

10 of these 133mm Heat Sinks - $16.00 each

https://northerngrowlights.com/collections/all/products/sst133-passive-heatsink

5 of these Single Linear Potentiometer Pot, 100K 10 pack $7.96

https://www.amazon.com/gp/product/B01DIZJ6X0/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

wire for cobs $14.99

https://www.amazon.com/gp/product/B00IN838Z0/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

Power supply for fans $17.98

https://www.amazon.com/gp/product/B01E6RMASC/ref=oh_aui_search_detailpage?ie=UTF8&psc=1

used 18 gauge speaker wire for fans ~$3.00

$957.42 Total for each light.

Sure there is misc other things but that is most or all of it I think.

Ohh I did forget 3/4" aluminum angle iron 1/8" thickness I am using to mount the heat sinks, need approx ~20' for each light. Since I am doing black this time I went out and bought some aluminum etching primer and flat black paint for it a well. ~$50 bucks total I would say.. I order my angle iron from metalsdepot.com

https://www.metalsdepot.com/products/alum2.phtml?page=aangle&LimAcc= &aident= 3/4 x 3/4 x 1/8 16' long, $13.76 each.


Also I did not include shipping in all this, guess approx $80-100 in shipping total









 
linky

linky

Well-Known Member
Okay, here are the results of the 90 CRI light

Here is the grid and the black dots are where I took measurements from. I took more going down the 2' 3' 4' grid line and the measurements were mostly the same in many spots, so I took just stuck with the spots shown here.

Had I taken measurements at the purple line the numbers were higher, there is the extra center cob in that location on those two sides. So the numbers listed here are slightly lower than if I had taken them at the purple line.


I took measurements at 1000 Watts at 12" 24" and 30" I also took measurements at 750 Watts at 12" 24" and 30".

Also remember with this Apogee 120 sensor it will show less than actual par readings (15-20 percent maybe?) for LEDS.

Here are the results

1000 Watts 30"



1000 Watts 24"



1000 Watts 12"










I will do the 750 watt images and upload them in a bit. I may do another test with the ledil reflectors taken off as well just to see how it effects the numbers.
 
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Randomblame

Randomblame

Well-Known Member
Very nice setup ...
The only little thing I would recommend is to test the 100k potentiometers for their real kΩ's ...
I found out that the simple cheapos from amazonebay are often significantly lower, more in the 92-95k range.
This means that you can only turn up to 92-95% with such a bad potentiometer.
I had to buy 20 to find 5, which had between 100-102kΩ, Lol!
 
linky

linky

Well-Known Member
Anyone know approx how many percent this apogee sensor is off with leds? Is it safe to add 15-20 percent to these numbers to get more accurate numbers? I know it will be different for each led tested but does anyone know if adding 15-20 percent would still be a conservative number?
 
linky

linky

Well-Known Member
Randomblame said:
Very nice setup ...
The only little thing I would recommend is to test the 100k potentiometers for their real kΩ's ...
I found out that the simple cheapos from amazonebay are often significantly lower, more in the 92-95k range.
This means that you can only turn up to 92-95% with such a bad potentiometer.
I had to buy 20 to find 5, which had between 100-102kΩ, Lol!
Click to expand...

I have 11 left right now (need 5 to finish the 80 cri light). 4 of them were 89k and below!! 5 were 101-105k and the other 2 were 99.5k and 100k. Fuck, I have used like 15 or more of these things in the varies lights I have. I bet a handful of them are only running at 90 percent then, ffs.
 
D

DabsOnDank

New Member
@linky nice build, im new to leds but i think ive found numbers with the hlg-480h-c1400 that may impress. The 480h-1400 runs between .700ma-1400ma @420v open circuit. So the vero 29 at 1400ma should require aporx. 34.3 forward voltage to run. 420/34.3=12.2 cobs that can fit. A vero 29 @1400ma has relative flux of about 75% so the 80cri cob will put out 7300L and 90cri cob will put out 6000L witch is 66500L for your setup on paper. So if someone ran 12 of the vero 29 with a cri 80 rating it would on paper put out 87,600L. the hlg-185 pulls 200wattsX5 were the hlg-480 only pulls 480watts.

So am i on the right track? if so the next bit of info i found may be very good also. Now if we take that hlg 480 and run it with the v22s, 8 BXRE-35E6500-B are rated 3500K 80CRI 1170ma 9716L typical 8745L min 52.0V 60.8 W 160lu/W it would come out to somewhere around 60k-70k lumnes for just running 8 lights. and still be able to run it a .700ma if you wanted or push it to 1300-1400ma i think it may work.

Hlg-480 $140
8 v22 cob-$15=$120
lets say heat sinks end up costing $20 each on the high side $160.
thats $420 plus wire, holder and misc stuff it.
could this be a good setup? or did i just waste a bunch of time?
Im not a normal led guy looking to save and be efficient. My electricity is cheap and heat isnt to bad so in my head i want to get the most lumnes per $ spent because in my head still lumnes grows plants.
 
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linky

linky

Well-Known Member
DabsOnDank said:
@linky nice build, im new to leds but i think ive found numbers with the hlg-480h-c1400 that may impress. The 480h-1400 runs between .700ma-1400ma @420v open circuit. So the vero 29 at 1400ma should require aporx. 34.3 forward voltage to run. 420/34.3=12.2 cobs that can fit. A vero 29 @1400ma has relative flux of about 75% so the 80cri cob will put out 7300L and 90cri cob will put out 6000L witch is 66500L for your setup on paper. So if someone ran 12 of the vero 29 with a cri 80 rating it would on paper put out 87,600L. the hlg-185 pulls 200wattsX5 were the hlg-480 only pulls 480watts.

So am i on the right track? if so the next bit of info i found may be very good also. Now if we take that hlg 480 and run it with the v22s, 8 BXRE-35E6500-B are rated 3500K 80CRI 1170ma 9716L typical 8745L min 52.0V 60.8 W 160lu/W it would come out to somewhere around 60k-70k lumnes for just running 8 lights. and still be able to run it a .700ma if you wanted or push it to 1300-1400ma i think it may work.

Hlg-480 $140
8 v22 cob-$15=$120
lets say heat sinks end up costing $20 each on the high side $160.
thats $420 plus wire, holder and misc stuff it.
could this be a good setup? or did i just waste a bunch of time?
Im not a normal led guy looking to save and be efficient. My electricity is cheap and heat isnt to bad so in my head i want to get the most lumnes per $ spent because in my head still lumnes grows plants.
Click to expand...
I am using C version vero 29's, they are ~68 volts, I am running them at ~95 watts each. If you were to run 35v veros at 1400ma you would be running them at ~50 watts each. But I it looks like I could run 6 of the C's at ~100 watts each off one of the 480's maybe, which is a nice option. It is roughly 55 dollars each for the 185's and need 5 of them for my build here, so still cheaper to go with 185's over the 480's, although not by much. Not even sure who carries the 480's. I did not see them on mouser (where I usually order the drivers from).
 
D

DabsOnDank

New Member
thanks for the info. Mouser is 10 weeks out once someone places a order and Arrow website said they have 4 in stock. i think i will just run 2 hlg-240s
 
V

VegasWinner

Well-Known Member
DabsOnDank said:
@linky nice build, im new to leds but i think ive found numbers with the hlg-480h-c1400 that may impress. The 480h-1400 runs between .700ma-1400ma @420v open circuit. So the vero 29 at 1400ma should require aporx. 34.3 forward voltage to run. 420/34.3=12.2 cobs that can fit. A vero 29 @1400ma has relative flux of about 75% so the 80cri cob will put out 7300L and 90cri cob will put out 6000L witch is 66500L for your setup on paper. So if someone ran 12 of the vero 29 with a cri 80 rating it would on paper put out 87,600L. the hlg-185 pulls 200wattsX5 were the hlg-480 only pulls 480watts.

So am i on the right track? if so the next bit of info i found may be very good also. Now if we take that hlg 480 and run it with the v22s, 8 BXRE-35E6500-B are rated 3500K 80CRI 1170ma 9716L typical 8745L min 52.0V 60.8 W 160lu/W it would come out to somewhere around 60k-70k lumnes for just running 8 lights. and still be able to run it a .700ma if you wanted or push it to 1300-1400ma i think it may work.

Hlg-480 $140
8 v22 cob-$15=$120
lets say heat sinks end up costing $20 each on the high side $160.
thats $420 plus wire, holder and misc stuff it.
could this be a good setup? or did i just waste a bunch of time?
Im not a normal led guy looking to save and be efficient. My electricity is cheap and heat isnt to bad so in my head i want to get the most lumnes per $ spent because in my head still lumnes grows plants.
Click to expand...
joules/energy grow plants. it is energy available that produces the growth. joules is umoles/watt which is maximum when cob heat is lowest and power is lower. for cree cobs the sweet spot is 20-30w at 700mA producing something like 179 umoles/watt or joules. The light is not searing bright, but the plants absorb all of the energy and transform that given they jave enough carbohydrates to convert energy to plant growth. It is not light intensity that is best but joules or energy available for conversion that matters most.
 
wietefras

wietefras

Well-Known Member
@VegasWinner, No, it's the photons that grow the plant. Plants actually photosynthesize better on red photons and these are of lower energy.

They also don't absorb all the "energy". Look at a McCree RQE curve and it should be immediately apparent that the blue photons are processed less efficiently even though they carry more energy per photon.

So it's completely the opposite in that it's light intensity (number of photons) which matters and the McCree RQE curve shows how efficiently the photons of respective wavelengths are used in photosynthesis.
 
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