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IES Shop >> IES Approved Method for Measuring Luminous Flux and Color Maintenance of LED Lamps, Light Engines, and Luminaires Cart Items: 0  Total: $0.00

May 28, 2016
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  • IES Approved Method for Measuring Luminous Flux and Color Maintenance of LED Lamps, Light Engines, and Luminaires
    IES Approved Method for Measuring Luminous Flux and Color Maintenance of LED Lamps, Light Engines, and Luminaires
    Click To Enlarge
    2014- 6 pages 
    8 1/2 X 11 Softcover
    List Price: $20.00
    Member Price: $14.00
    Order # LM-84-14

    Product ID: LM-84-14
    Price: $20.00
    Member Price: $14.00
    Product Detailed Description
    This document provides the method for measurement of luminous flux and color maintenance of LED lamps, integrated; LED lamps, non-integrated; LED light engines, and LED luminaires. The method describes the procedures to be followed and the precautions to be observed in obtaining and reproducing luminous flux and color maintenance measurements under standard operating conditions. This approved method does not provide guidance or recommendations regarding sampling, predictive estimations or extrapolation of luminous flux maintenance beyond the final measurement.

    Contents
    Scope
    Normative References
    Definitions
    Physical and Environmental Conditions
    Electrical Conditions
    Photometric and Thermal Measurement Procedure
    Maintenance Test Procedures
    Test Report
    Annex A Recommendations for Measurement of In-Situ Conditions LED Case Temperature, Ts
    Annex B Rationale for not describing Maintenance Test Duration and Measurement Intervals
    Annex C Checking and Recording Non-Operational DUTs During Maintenance Test
    Informative References


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