Jianzhong Jiao explains that the IES is publishing addendums to both the LM-80 standard for testing LEDs and documenting lumen maintenance, and to the TM-21 standard for projecting LED and SSL system life, improving and harmonizing the documents.
IES updates LED Lumen Maintenance document (MAGAZINE)
by Commercial LED Lighting | Apr 22, 2014 | Assembly & Contract Manufacturing, Services & Testing, SSL Design, Standards, Test Equipment, Test Labs, Thermal