ergotelis
Enlightened
You are so right selfbuilt, you measurement could be quite accurate to their performance. But they could have sent you the worst sample of cree xm-l, or there might be some defects that can't be clearly seen,such as the led has not have been reflowed well on the pcb-heatsink,the specific circuit is underperforming etc.
For reference, i measured exactly on mine 807 OTF, on the same way you test, in comparison to a lot of flashlights that i have and you have too that we are getting the same numbers(M31,IFE2,M30,TD15,predator,quarks,catapult etc). Having said it elsewhere too, my tk35 has much greater output than all other, i am measuring it something more than 900 OTF.Can't explain that high number, have to open it to measure currents, but it happens and according to my eye too, it is brighter!!
For reference, i measured exactly on mine 807 OTF, on the same way you test, in comparison to a lot of flashlights that i have and you have too that we are getting the same numbers(M31,IFE2,M30,TD15,predator,quarks,catapult etc). Having said it elsewhere too, my tk35 has much greater output than all other, i am measuring it something more than 900 OTF.Can't explain that high number, have to open it to measure currents, but it happens and according to my eye too, it is brighter!!
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