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IES LM-80-20

Approved Method: Measuring Luminous Flux and Color Maintenance of LED Packages, Arrays, and Modules

standard by Illuminating Engineering Society, 2020

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About This Item

 

Full Description

This Approved Method provides the methods for measurement of luminous flux and color maintenance for LED packages, arrays, and modules. It covers luminous, radiant, or photon flux maintenance and color maintenance, including changes in chromaticity coordinates, peak wavelength, or centroid wavelength versus time. The maintenance characteristics are measured under controlled conditions that allow direct comparison of results obtained at different laboratories.

This Approved Method does not provide guidance or make any recommendations regarding predictive estimations or extrapolation for the maintenance characteristics beyond the duration of the actual measurements.
 

Product Details

Published:
2020
ISBN(s):
9780879952143
ANSI:
ANSI Approved
Number of Pages:
23
File Size:
1 file , 320 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. IES LM-80-20

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    Approved Method: Measuring Luminous Flux and Color Maintenance of LED Packages, Arrays, and Modules

    • Most Recent

  2. IES LM-80-15


    IES Approved Method: Measuring Luminous Flux and Color Maintenance of LED Packages, Arrays and Modules, Includes Errata 1

    • Historical Version

  3. IES LM-80-08


    Measuring Lumen Maintenance of LED Light Sources

    • Historical Version