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IES TM-21-11

Projecting Long Term Lumen Maintenance of LED Light Sources

standard by Illuminating Engineering Society , 07/25/2011

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Full Description

This document provides recommendations for projecting long term lumen maintenance of LED light sources using data obtained when testing them per IES LM-80-08, "IES Approved Method for Measuring Lumen Maintenance of LED Light Sources."
 

Product Details

Published:
07/25/2011
ISBN(s):
9780879952594
Number of Pages:
33
 

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


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

    • Historical Version

  3. IES TM-21-11

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    Projecting Long Term Lumen Maintenance of LED Light Sources

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. IES TM-21-11 Addendum B


    Addendum to Projecting Long Term Lumen Maintenance of LED Light Sources