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IES TM-21-19

Technical Memorandum: Projecting Long-Term Lumen, Photon, and Radiant Flux Maintenance of LED Light Sources

standard by Illuminating Engineering Society, 2019

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About This Item

 

Full Description

This document provides recommendations for projecting flux maintenance of LED light sources using data obtained when testing them per ANSI/IES LM-80-15, Approved Method for Measuring Luminous Flux and Color Maintenance of LED Packages, Arrays and Modules.

This method shall not be used to project lumen, photon or radiant flux maintenance below 70%.
 

Product Details

Published:
2019
ISBN(s):
9780879950811
ANSI:
ANSI Approved
Number of Pages:
55
File Size:
1 file , 10 MB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. IES TM-21-21


    Technical Memorandum: Projecting Long-Term Luminous, Photon, and Radiant Flux Maintenance of LED Light Sources

    • Most Recent

  2. IES TM-21-19

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    Technical Memorandum: Projecting Long-Term Lumen, Photon, and Radiant Flux Maintenance of LED Light Sources

    • Historical Version

  3. IES TM-21-11


    Projecting Long Term Lumen Maintenance of LED Light Sources

    • Historical Version