ANSI/IES LM 79 : 2019
Current
The latest, up-to-date edition.
Approved Method: Optical and Electrical Measurements of Solid-State Lighting Products
Hardcopy , PDF
English
14-05-2019
This approved method describes the procedures to be followed and precautions to be observed in performing reproducible accurate measurements of total luminous, radiant, or photon flux; electrical power; system efficacy; luminous, radiant, or photon intensity distribution; and color quantities and/or spectrum of solid-state lighting (SSL) products for illumination purposes, under standard conditions.
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