Codes + Standards

IES Publishes Updated LM-85 Optical And Electrical Measurements Of LED Sources

David Shiller December 26, 2023

IES Publishes Updated LM-85 Optical And Electrical Measurements Of LED Sources

IES has published ANSI/IES LM-85-23, Approved Method: Optical and Electrical Measurements of LED Sources, which describes the procedures for optical and electrical measurements of LED packages and arrays. The methods in this LM cover white and single-color LED sources and may also be applied to laser diode sources. LM-85 also covers different measurement methods, including single pulse, flash pulse, continuous pulse, and DC.

Chapters:

1.0 Introduction and Scope
2.0 Normative References
3.0 Definitions

4.0 Physical and Environmental Conditions

5.0 Electrical Measurement Instrumentation

6.0 Optical Measurement Instruments and Optical Measurements

7.0 Preparation for Measurements

8.0 Measurement Methods and Procedures

9.0 Measurement Uncertainty

10.0 Test Report

Learn more here.

Image: IES.org

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David Shiller

David Shiller is the Publisher of LightNOW, and Senior Business Development Consultant at Capacity Consulting, a North American consulting firm providing business development services to advanced lighting manufacturers. The ALA awarded David the Pillar of the Industry Award. David has been co-chair of the ALA’s Engineering Committee since 2010. David established MaxLite’s OEM component sales into a multi-million dollar division. He invented GU24 lamps while leading ENERGY STAR lighting programs for the US EPA. David has been published in leading lighting publications, including LD+A, enLIGHTenment Magazine, LEDs Magazine, and more.

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