How to test and know the real specification for LED Spotlight, downlight, and other commercial lighting include track light? How to know their real life span, workmanship, LED components?
How to test the Spectrum parameters &IES, such as Lumen efficiency, CRI, R9, CQS, CCT, IES, light distribution for LED ligting? How to test its temperature and life? , Let's see below article:
Test OSRAM Spot Light