Originally Posted by circuitsmith
Originally Posted by Dave_Mark
My advice is to educate yourself to the point where you don't need anyone else to point out ridiculously incorrect claims.
Do you have a specific question?
Yeah, what, specifically in that video, you claim is " ridiculously incorrect"?
Sure, in the link you posted, at 8:26, there's the claim that some LED bulb in a low beam reflector tests out to 1432 lux at 25 feet. Or 10% more than a BMW i8 laser headlamp.
Basically all of the readings they take are bunk thanks to their lux meter. They basically special ordered a lux meter straight out of China, likely because it gave them the most favorable (highest) readings.
They used to use a much better lux meter from a much more reputable company, but now they're using the Uni-T UT382, which (you can check for yourself), isn't readily available on Amazon, and all but one or two eBay listings say it has to be shipped from China or Hong Kong. Flashlight forums have tested this Uni-T UT382 lux meter and found it to be the most inaccurate lux meter they've ever tested, giving readings that are inflated by 40%.
Summary: they went out of their way to import a lux meter from China to obtain authentic-looking data that's actually bunk. Whatever conclusions they draw from their faulty readings is not worth taking seriously. Just like if I had a broken stopwatch and timed a Corolla's 0-60 at 3.2 seconds, and then timed a Corvette at 2.1 seconds....and I conclude that the Corvette is faster than a Corolla--I would be correct, technically, but I wouldn't suggest reading too much into my results
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