JorgeGonzales
Well-Known Member
I'm beginning to think somebody in here doesn't smoke weed.
Spectral lightmeter Gigahertz-Optik MSC15
- Thread starter Malocan
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- spectral lightmeter
thanks for correcting me on the polar chart.
robincnn
Well-Known Member
Or most smoke too much
Malocan
Well-Known Member
last test for this setup, @85watt
Test conditions:
-60cm*60cm footprint with 49 points in a Gorila 4*4 tent
-The frontdoor of the gorilla tent was open, so dont wonder if the # from 1-7 are a bit lower
-exhaust fan was on, around 360m/h3
-Cobs was mounted on different heatsinks of the same type
-ambient temperature was around 25C
-I let every cob run for around 2hours before i did the test
-i checked Volt and Ampere after 2 hours running the led, to got the "correct" numbers
-pin fin heatsinks /active with computer fan @ full power(the fan) / link: http://noctua.at/de/nf-a14-industrialppc-3000-pwm/specification
-no reflector or lens
-arctic mx 4 apllied with hard razor blade, pretty thin layer only
Test conditions:
-60cm*60cm footprint with 49 points in a Gorila 4*4 tent
-The frontdoor of the gorilla tent was open, so dont wonder if the # from 1-7 are a bit lower
-exhaust fan was on, around 360m/h3
-Cobs was mounted on different heatsinks of the same type
-ambient temperature was around 25C
-I let every cob run for around 2hours before i did the test
-i checked Volt and Ampere after 2 hours running the led, to got the "correct" numbers
-pin fin heatsinks /active with computer fan @ full power(the fan) / link: http://noctua.at/de/nf-a14-industrialppc-3000-pwm/specification
-no reflector or lens
-arctic mx 4 apllied with hard razor blade, pretty thin layer only
Attachments
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JorgeGonzales
Well-Known Member
Really good stuff @Malocan.
Here's something just for fun using your measurements, hopefully helpful in visualizing how reflectors are affecting your overall setup.
I still like the no reflector version. I wonder what this looks like if you lower the lamp with no reflector so the PPFD max matches the reflector version at 60cm. Might help you find the highest PPFD with the best uniformity.
Here's something just for fun using your measurements, hopefully helpful in visualizing how reflectors are affecting your overall setup.
I still like the no reflector version. I wonder what this looks like if you lower the lamp with no reflector so the PPFD max matches the reflector version at 60cm. Might help you find the highest PPFD with the best uniformity.
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HydrOGdeluxe
Member
salmonetin
Well-Known Member
...the zoom of guod are better... on the past i have a old program to do magnificients of great quality...i must search this old program... maybe dissapear on actually... her icon program its a big eye... dont remember her name...
Saludos
guod
Well-Known Member
JorgeGonzales
Well-Known Member
It wasn't the program, it was the photo. The first one was blurry. Making jokes with slight language barriers can be difficult.
Malocan
Well-Known Member
edit: i will do a test in a 80cm*80cm tent with reflective walls and without, but this i will do in a week
i can do only test up to 2,028amps(clu058 ) with the measurement method which i use for volt and ampere
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guod
Well-Known Member
die formel für leistung ist P= U x I
an 1 Ohm Widerstand sind die Werte für Spannung und Strom gleich. - Formel I= U/R und U= I x R
was messen wir ist die Spannung über widerstandsnetzwerk -> 10 x 10Ohm parallel = 1 Ohm - 10 x 0,6W =6 Watt
daraus folgt wenn wir die gemessene Spannung quadrieren erhalten wir die Leistung
die vom Widerstanden abgeführt werden müssen.
das gegenteil von quadrieren ist Wurzel aus X.
die widerstande können 6 watt alle zusammen. die wurzel ist 2,4.
das ist groeste strom man messen kann. sollte man aber nicht machen.
aber 2,1 oder 2,2 ist kein problem gibt 4,4Watt oder 4,8 watt.
mein deutch...tja
hatte nur 3 Jahre in Berlin zum lernen...
great time.. great musik...punk, SKA, new wave and party EVERY DAY
Malocan
Well-Known Member
i thought the whole time you are german
,you often linked me german internet sitesyou german skills are pretty good
for only being 3 years in germany
...Thank you very much for taking the time and share the whole informations guod, they do help me a lot.
Yesterday i wanted to test the clu058 @ over 2.2amps, but it was not possible. I pushed the 1-10volt dimmer to maximum, then i did measurement with my multimeter to check amps and volts from the cob.
But maximum Amps was only around 2ampere and around 52 volt.
After reading your post twice, i think it is like that:
Does the 1 ohm resistance add 2,4volt to the driver? 52Volt from the cob + 2,4volt(1 ohm) = 54,4volt
But the driver maxium is 54Volt@2,8amps
So is maybe that the reason why i cant run the cob higher?
i tested the cxb3590, and it worked, to run it higher @ watt in compare to the clu058
Malocan
Well-Known Member
Test conditions:
-60cm*60cm footprint with 49 points in a Gorila 4*4 tent
-The frontdoor of the gorilla tent was open, so dont wonder if the # from 1-7 are a bit lower
-exhaust fan was on, around 360m/h3
-Cobs was mounted on different heatsinks of the same type
-ambient temperature was around 25,5C
-I let every cob run for around 1hour before i did the test
-i checked Volt and Ampere after 1 hour running the led, to got the "correct" numbers
-pin fin heatsinks /active with computer fan @ full power(the fan) / link: http://noctua.at/de/nf-a14-industrialppc-3000-pwm/specification
-no reflector or lens
-arctic mx 4 apllied with hard razor blade, pretty thin layer only
-height 60cm
-60cm*60cm footprint with 49 points in a Gorila 4*4 tent
-The frontdoor of the gorilla tent was open, so dont wonder if the # from 1-7 are a bit lower
-exhaust fan was on, around 360m/h3
-Cobs was mounted on different heatsinks of the same type
-ambient temperature was around 25,5C
-I let every cob run for around 1hour before i did the test
-i checked Volt and Ampere after 1 hour running the led, to got the "correct" numbers
-pin fin heatsinks /active with computer fan @ full power(the fan) / link: http://noctua.at/de/nf-a14-industrialppc-3000-pwm/specification
-no reflector or lens
-arctic mx 4 apllied with hard razor blade, pretty thin layer only
-height 60cm
Attachments
Millsie
Well-Known Member
Cheers so much for that, that is amazing!!
But to be really annoying, any chance you could measure the PFFD for the 058 @ 2.044a~ at the distance of 30cm & 45cm?
It would be really interesting to see the exact numbers at that distance!
Also, how much heat does the cob put off at this wattage, is it noticeable?
JorgeGonzales
Well-Known Member
PPFD goes up the closer you get, and your plants will tell you when it's too much. You already know the 1825 is going to output more than a 3590, and somewhere between 30-60cm will be fine depending on your optics and garden. Maybe higher if you really crank them or use narrow optics. Lots of variables, easy to figure out in practice.
No need to sweat stuff this small.
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Malocan
Well-Known Member
hi guys,
im not sure but i think osram has released some new bins for their horticulture leds.
I never saw before such good output from their monos, but maybe im wrong and they are old.
http://www.osram.com.cn/media/resource/HIRES/546291/538626/15-gb.pdf
I noticed that they use less voltage in compare to past
https://www.led-tech.de/de/High-Power-LEDs-Osram/Osram-Oslon-SSL/OSRAM-Oslon-SSL-120-Hyper-Red-auf-Star--Horticulture--LT-2693_206_207.html
im not sure but i think osram has released some new bins for their horticulture leds.
I never saw before such good output from their monos, but maybe im wrong and they are old.
http://www.osram.com.cn/media/resource/HIRES/546291/538626/15-gb.pdf
I noticed that they use less voltage in compare to past
https://www.led-tech.de/de/High-Power-LEDs-Osram/Osram-Oslon-SSL/OSRAM-Oslon-SSL-120-Hyper-Red-auf-Star--Horticulture--LT-2693_206_207.html
BOBBY_G
Well-Known Member
those 660nm are DEFINITELY binning toward the top of the elusive 3T4T bin
and the 120 degree chips are new (and sick!). heres the old SSL80 datasheet
http://www.osram-os.com/Graphics/XPic5/00199213_0.pdf/LH CP7P (EnglishDeutsch).pdf
cool there is now a separate horti line so we would be guaranteed of the impressive 425mw radiant power they claim
hey @welight, how bout some triple stars with these 120 deg bad boys?
Malocan
Well-Known Member
i think 660 has 2 different bins, because if i check this internet side they say it has "only" 400mw
https://www.led-tech.de/en/High-Power-LEDs-Osram/Osram-Oslon--SSL/OSRAM-Oslon-SSL-120-Hyper-Red-on-Star--Horticulture--LT-2693_206_207.html
This shop offer new far red too, and they have the lower bin too. bin: GFCSHPM1.24-2S3S-1
https://www.led-tech.de/en/High-Power-LEDs-Osram/Osram-Oslon--SSL/OSRAM-Oslon-SSL-150-Far-Red-on-Star-LT-2672_206_207.html
The link to the datasheet from the 660nm brings me to the datasheet from the far red led -.-