Codes + Standards

IES Publishes Approved Method for Photometry of Reflector Type Lamps (LM-20-13)

Craig DiLouie May 8, 2013

The Illuminating Engineering Society of North America (IES) recently announced publication of IES Approved Method for Photometry of Reflector Type Lamps (LM-20-13), the latest in a continuing series of Lighting Measurement Testing & Calculation Guides.

This method describes photometric testing procedures and reporting guidelines for reflector-type lamps. It is intended that these procedures and guidelines be adopted as the basis of photometry for reflector-type lamps. The application of the described procedures and guidelines will improve reproducibility within a laboratory, improve measurement agreement and facilitate comparison of results between laboratories.

IES Approved Method for Photometry of Reflector Type Lamps (LM-20-13) is available in print or as a PDF download from the IES here.

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