Loading Events

« All Events

  • This event has passed.

TM-21-21, Projecting Long-Term Luminous, Photon, and Radiant Flux Maintenance of LED Light Sources

March 10, 2022 @ 12:00 pm - 2:00 pm EST

n 2011, The IES published TM-21 “Projecting Long Term Lumen Maintenance of LED Light Sources,” a globally adopted method for projecting lumen maintenance of Solid-State Lighting sources. This document went under revision in 2021 by the IES Test Procedures Committee (TPC) to expand its scope in terms of the types of flux maintenance and to include interpolation between different drive currents. Join us to learn about these revisions and the reasons behind them, along with an introduction to the web-based calculation tool. This presentation will feature a special introduction by Alex Baker, Manager of Government Affairs and Public Policy.


Presented by:


Webinar participants are eligible for one (1) IES Continuing Education Unit (CEU).



March 10, 2022
12:00 pm - 2:00 pm EST