Division 3 News and Events

Array spectroradiometers are used pervasively in light measurement. However, their properties are not widely understood by users. This report seeks to educate users in the characteristics of array spectroradiometers that are... more

CIE 232:2019 Discomfort Caused by Glare from Luminaires with a Non-Uniform Source Luminance

In 1995 the CIE Technical Committee 3-13 developed the Unified Glare Rating (UGR) to predict discomfort glare for indoor lighting systems. For practical reasons, the UGR is based on the average source luminance. The introduction of... more

CIE 231:2019 CIE Classification System of Illuminance and Luminance Meters

The properties of illuminance meters and luminance meters are characterized by a number of selected quality indices defined in ISO/CIE 19476:2014 “Characterization of the Performance of Illuminance Meters and Luminance Meters”,... more

ISO/CIE 17166:2019(E) Erythema reference action spectrum and standard erythema dose

This document was prepared by the International Commission on Illumination (CIE) in cooperation with Technical Committee ISO/TC 274, Light and lighting. This first edition of ISO/CIE 17166 cancels and replaces ISO 17166:1999 | CIE S... more

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Division 3 News and Events

February 22, 2018

August 13, 2018 to August 14, 2018

Copenhagen, Denmark

June 14, 2019 to June 22, 2019

Washington DC, USA