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  • IES TM 21 : 2011

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    PROJECTING LONG TERM LUMEN MAINTENANCE OF LED LIGHT SOURCES

    Available format(s):  Hardcopy, PDF

    Superseded date:  01-10-2019

    Language(s): 

    Published date:  01-01-2011

    Publisher:  Illuminating Engineering Society

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    Table of Contents - (Show below) - (Hide below)

    Introduction
    1.0 Scope
    2.0 Normative References
    3.0 Definitions
    4.0 Test Data and Sample Size
    5.0 Lumen Maintenance Life Projection
    6.0 Temperature Data Interpolation
    7.0 Report
    Annex A - Rationale for the Recommended Data Extrapolation
    Annex B - Sample Size Selection for Data Extrapolation
    Annex C - Least Squares Formula
    Annex D - Limit for Duration of Prediction
    Annex E - Data Test Set for Validation of Calculation - Examples
    Annex F - Consideration of Manufacturer's Prediction Model
    Annex G - Analysis of Mathematical Modeling as a Method of
              Projecting Lumen Maintenance Life
    Informative References

    Abstract - (Show below) - (Hide below)

    Specifies 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.'

    General Product Information - (Show below) - (Hide below)

    Development Note Also available in French translation, see IES TM 21 FRENCH. Also available in Spanish translation, see IES TM 21 SPANISH. (10/2017)
    Document Type Standard
    Publisher Illuminating Engineering Society
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    MIL-DTL-16377 Revision J:2014 Fixtures, Lighting; and Associated Parts; Shipboard Use, General Specification for
    NEMA LSD 68-2013 REMOTE PHOSPHOR DEVICES USED IN LED LAMPS, ENGINES AND LUMINAIRES
    NEMA LSD 63 : 2012 MEASUREMENT METHODS AND PERFORMANCE VARIATION FOR VERIFICATION TESTING OF GENERAL PURPOSE LAMPS AND SYSTEMS
    UFC 3-530-01 : Change 3 UNIFIED FACILITIES CRITERIA - INTERIOR AND EXTERIOR LIGHTING SYSTEMS AND CONTROLS
    IES TM 28 : 2014 PROJECTING LONG-TERM LUMINOUS FLUX MAINTENANCE OF LED LAMPS AND LUMINAIRES
    IES LM 80 SPANISH : 2015 MEASURING LUMINOUS FLUX AND COLOR MAINTENANCE OF LED PACKAGES, ARRAYS AND MODULES
    IES RP 4 : 2013 RECOMMENDED PRACTICE FOR LIBRARY LIGHTING
    IES LM 80 FRENCH : 2015 MEASURING LUMINOUS FLUX AND COLOR MAINTENANCE OF LED PACKAGES, ARRAYS AND MODULES
    IES TM 26 : 2015 METHODS FOR PROJECTING CATASTROPHIC FAILURE RATE OF LED PACKAGES
    IES RP 30 : 2017 RECOMMENDED PRACTICE FOR MUSEUM LIGHTING
    IES TM 16 : 2017 SOLID STATE LIGHTING SOURCES AND SYSTEMS
    IES RP 7 : 2017 RECOMMENDED PRACTICE FOR LIGHTING INDUSTRIAL FACILITIES
    IES LM 84 : 2014 APPROVED METHOD: MEASURING LUMINOUS FLUX AND COLOR MAINTENANCE OF LED LAMPS, LIGHT ENGINES, AND LUMINAIRES
    SAE J 2938 : 2017 LED LIGHT SOURCES TESTS AND REQUIREMENTS STANDARD
    IEC 63013:2017 LED packages - Long-term luminous and radiant flux maintenance projection
    15/30327740 DC : 0 BS EN 63013 - LED PACKAGES PACKAGES - LONG-TERM LUMINOUS FLUX MAINTENANCE PROJECTION
    IES LM 80 : 2015 MEASURING LUMINOUS FLUX AND COLOR MAINTENANCE OF LED PACKAGES, ARRAYS AND MODULES
    SAE ARP 6259 : 2016 LED REPLACEMENT FOR INCANDESCENT/HALOGEN BULBS OR FLUORESCENT LAMPS TRANSPORT CATEGORY AIRCRAFT AND ROTORCRAFT
    SAE ARP 1283 : 2014 CARGO COMPARTMENT LIGHTING FOR TRANSPORT CATEGORY AIRCRAFT AND ROTORCRAFT

    Standards Referencing This Book - (Show below) - (Hide below)

    IES LM 80 : 2015 MEASURING LUMINOUS FLUX AND COLOR MAINTENANCE OF LED PACKAGES, ARRAYS AND MODULES
    IES RP 16 : 2010 NOMENCLATURE AND DEFINITIONS FOR ILLUMINATING ENGINEERING
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