Why Isn’t There an Option to Claim Lumen Maintenance Values at Times Longer than 25,000 Hours?

Lighting Facts

June 21, 2019

In developing this new metric, LED Lighting Facts and the DOE SSL Reliability and Lifetime Working Group worked to avoid the implication that long lumen maintenance times translated directly to long lifetimes of the complete lamp or luminaire. Long lumen maintenance times, which are commonly quoted up to 50,000 hours, have still not been verified through rigorous lifetime and reliability testing.

 

 

 

 

 

 

Article source: www.lightingfacts.com/downloads/lumen_maintenance_faq.pdf

Image source: Federico Bottos on Unsplash

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