Report 23: Photometric Testing of White Tunable LED Luminaires

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This report documents an initial investigation of photometric testing procedures for white-tunable LED luminaires and summarizes the key features of those products. Goals of the study include understanding the amount of testing required to characterize a white-tunable product, and documenting the performance of available color-tunable luminaires that are intended for architectural lighting. The first report addendum analyzes the effect of testing at fewer color control points compared to the baseline used in the initial analysis. The second addendum provides testing results for eight additional luminaires. (52 pages, August 2015 – Addendum 1, January 2016; Addendum 2, August 2018)