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IES TM-28
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IES TM-28 2014 Edition, May 20, 2014 Projecting Long-Term Luminous Flux Maintenance of LED Lamps and Luminaires
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Description / Abstract:
This document recommends the methods for projecting long-term
luminous flux maintenance of LED lamps and luminaires using data
obtained when testing them per IES LM-84-14 Approved Method for
Measuring Lumen and Color Maintenance of LED Lamps, Light Engines,
and Luminaires, as well as data when testing LED sources per IES
LM-80-08 Approved Method for Measuring Lumen and Color Maintenance
of LED Light Sources.