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ILNAS-EN ISO/CIE 11664-2:2022 Edition 09/2022
Colorimetry - Part 2: CIE standard illuminants (ISO/CIE 11664-2:2022)
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Abstract

This document defines three CIE standard illuminants for use in colorimetry: CIE standard illuminant A for the representation of typical tungsten-filament lighting, CIE standard illuminant D65 for the representation of average daylight having a correlated colour temperature of approximately 6 500 K and CIE standard illuminant D50 for the representation of daylight with a correlated colour temperature of approximately 5 000 K. Values of the relative spectral power distribution of the three illuminants are included in this document.

Status

Standard - Active

Origin

Technical Committee :
CEN/TC 139 : Paints and varnishes

Implementation

start of the vote on the project    21/10/2021   date of ratification (dor)    02/08/2022
end of the vote on the project    17/12/2021   date of anouncement (doa)    31/12/2022
start of the vote on the final project    05/05/2022   date of publication (dop)    31/03/2023
end of the vote on the final project    01/07/2022   date of withdrawal (dow)    31/03/2023


Publication Official Journal
of the Grand-Duchy of Luxembourg
20/03/2023
Reference Mémorial A N° 153

Relations

Relations to older standards
ILNAS-EN ISO 11664-2:2011

Relations to international standards
ISO/CIE 11664-2 
ISO/CIE 11664-2:2022 

International Classification for Standards (ICS codes) :

17.180.20 : Colours and measurement of light

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