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IES TM-21-21

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

standard by Illuminating Engineering Society , 2021

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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.

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

 

Product Details

Published:
2021
ISBN(s):
9780879954086
ANSI:
ANSI Approved
Number of Pages:
55
File Size:
1 file , 810 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. IES TM-21-21

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

    • Most Recent

  2. IES TM-21-19


    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