Measuring luminous flux and color maintenance of led packages, arrays and modules. Iesna lm8008 an overview of the test procedure and how it is. This document provides the results of crees ies lm802008 and lm802015 lm80 testing on its led components. Iesna lm 80 08 guide to evaluating led lumen maintenance free download as pdf file. Energy star 25,000 and 35,000 limits after 6,000 hours of stress.
Energy star manufacturers guide for qualifying solid state. Lm80 describes the test methods to measure the lumen. Lm909 electrical and photometric measurements of fluorescent lamps. Measuring luminous flux and color maintenance of led packages. Suggestions for revision should be directed to ies prepared by. Solidstate lighting ssl systems have become subject to testing designed by the illuminating engineering society of north america iesna, tests lm79 please click the link for more information. Free download this approved method describes iesna lm 79 08 procedures to be followed and precautions to be observed in performing reproducible measurements of total luminous flux, electrical power, luminous intensity distribution, and chromaticity, of solidstate lighting ssl products for illumination purposes, under iesna lm 79 08 conditions. Ies approved method for measuring lumen maintenance of led light sources. Iesna lm8008 guide to evaluating led lumen maintenance free download as pdf file. Lm 80 next steps use lm 80 to gather significant amount of data to provide input into the prediction process and, eventually, fold prediction and extrapolation into lmprediction and extrapolation into lm 8080 further information requested from users and lblaboratories as lmlm 80 i 80 is usedd.
Lumen maintenance launching the energy iesna lm 80 2008. This approved method is one of a continuing series of iesna approved methods, which are written to permit reliable comparison of test results among laboratories by establishing uniform test methods. Drm is included at the request of the publisher, as it helps them protect their by restricting file sharing. Ies lm 80 08 ies approved method for measuring lumen maintenance of led light sources publication of this committee report has been approved by ies. Measuring lumen maintenance of led light sources, covers the measuring of lumen depreciation of solidstate light sources, arrays. Led samples for iesna lm80 testing consist of units built from a minimum of three manufacturing. Prepared by the subcommittee on solid state lighting of the iesna. Cree led components ies lm802008 testing results cree, inc. Understanding lm79 reports better buildings initiative. Understanding lm 79 reports in 2008, the illuminating engineering society of north america ies published lm 79 08. The scope within this ansiies lm8015 has been expanded to include tests for three types of flux maintenance along with tests for how. This approved method is one of a continuing series of iesna approved methods. Iesna lm8008 guide to evaluating led lumen maintenance.
You can download and open this file to your own computer but drm prevents opening this file. In order to read a secure pdf, you will need to install the fileopen plugin on your computer. R2dg61005010 page 3 of 8 ies lm 80 08 test report 1 general information 1. For lm80 lumen maintenance testing of led modules and arrays, a sample size of less than 25. Secure pdf files include digital rights management drm software.
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