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so that take long time,i finished the 1st footprint. the light is cxb 3500k @ 700ma (20cobs). The light use 511Watt from the wall(9watt for fans+fandrivers). 60cm from the lamp i did the measurement. So next footprint at 30cm distance like i said, but this i can finish after work in 9-10 hours :/

ok i prepared now my tent for a measurement, the light is cxb 3500k @ 700ma (20cobs). The light use 511Watt from the wall(9watt for fans+fandrivers). I have to say it was a big horror to hang all the lights at the same high, i was not able to hang them all 100% at the same high. But i gave my...

at the moment only 3500k 80 cri(cree) but in 2-3 days i finish my new 2700k 90 cri lamp (citizen clu58-1825)

around 1500euro

i cant say really and i dont have a other par meter to compare. here is a link to the specifications, there you can see how accurate it is at some measurement: https://www.gigahertz-optik.de/en-us/product/msc15#_features

Today i prepared my tent for some measurements, which i will share today later. I have 4 * 4 gorilla tent. I will test cxb 3500k @0,7A (500watt), to make a nice footprint with many measurement points. I will test them maybe at higher ampere too, need to check what driver i have left. Then i...

Hello, some weeks ago nevergoodenuf made a post about that device(MSC15) in this forum, after i saw that i called the company to got some informations. Then i decided to buy it, since a week i got it. The device came with a little bag, software(CD), short usb cabel (to use software and charge...

driver efficiency @ 115VAC should be around 92% if i follow the datasheet and test report, but still the numbers dont fit Edit: 152V * 2,369A = 360,008Watt 360,008Watt / 0,92%(driver) = 391,4Watt

151V*2,369A=357,719watt 357,719watt/0,925%(driver)=386,723watt Maybe his driver has even a bit more Ampere

i have the HLG-185(A version) too, it pulls too over 210 watt. You can google from Meanwell driver a Test report, then you will see the most driver have overhead like captainmorgan said above. google: HLG 320H-C2100 test report

oh fuck this picture is from other test report, sorry edit: no it was correct one sorrryyyy

maybe thats the reason. this picture is from the test report

Hello, im not sure about that, i would fill out more the scrogscreen before i would filp to 12/12. Maybe some other guys can give some opinions too

Hello IFARTED, pretty nice work, so clean. I would like to know how you made this cutouts in the bottom and top cover :confused: you have a cnc router ?

Thanks guod

Hi bobby_G i cant find any informations in the datasheet from citizen what Max. torque i should use for screws to hold the cob on the heatsink(without cobholder). I have a tool with a torque range from 0,3Nm to 1,2Nm. Should i select 0,3Nm?

should be no problem as long the driver is under 140 F. I post a picture from the datasheet of the driver. i think 83 F on heatsink behind the chips is pretty good, as long the measurement of the temp is correct

i would say, yes thats normal. no reason to worry about it

no not really i called today early directly at bender-wirth germany, i wanted to order diretly from them. He said: ok but MOQ is 100, and to order from them i need to have a business. LED Holder 458 Typ K1 cost around 350 euro (100pcs), i asked for 100cm long cables and 1,0mm thick on the cob...

i will order the regular version, makes not much sense for me to order the HV version. Like you allready said the HV version is only good for 2 COBS(clu058-1825) in series:/ I will use parallel driver for my light