ANSI/IES TM-28:2020
Current
The latest, up-to-date edition.
Projecting Long-Term Luminous Flux Maintenance of LED Lamps and Luminaires
Hardcopy , PDF
English
23-04-2020
This document recommends the methods for projecting long-term luminous flux maintenance of LED lamps and luminaires using data obtained when testing them per ANSI/IES LM-84-20, Approved Method: Measuring Optical Radiation Maintenance of LED Lamps, Light Engines, and Luminaires, as well as data when testing LED sources per ANSI/IES LM-80-20, Approved Method: Measuring Luminous Flux and Color Maintenance of LED Packages, Arrays, and Modules.
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