Approved American National StandardANSI IES LM-79-19

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Approved American National StandardThis 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. This approved method covers LED luminaires, OLED luminaires, integrated LED lamps, integrated OLED lamps, non-integrated LED lamps operated with a driver designated by a manufacturer’s identification number or by a defined [ANSI] reference circuit, and LED light engines, all of which will be referred to as SSL products or device under test (DUT). SSL products, excluding non-integrated LED lamps, are intended to directly connect to AC mains power or to a DC voltage power supply to operate.

This document does not cover SSL products that require external heat sinks, nor does it cover components of other than this recommended temperature constitute a nonstandard condition and shall be noted in the test report.

Secure PDF: 22 pages
Publisher: Illuminating Engineering Society (2019)
SKU: IES LM-79-19
ISBN-13: 978-0-87995-004-0
Dimensions: 8½” x 11″

Additional information


Digital, Softcover