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IES LM-84
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IES LM-84 2014 Edition, March 31, 2014 Approved Method for Measuring Luminous Flux and Color Maintenance of LED Lamps, Light Engines, and Luminaires
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Description / Abstract:
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.
This approved method does not provide guidance or recommendations regarding sampling, predictive estimations or extrapolation of luminous flux maintenance beyond the final measurement.