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API SPEC 14L: Lock Mandrels and Landing Nipples : Reaffirmed

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ISO 11664:2022

ISO 11664:2022 Colorimetry – Part 2: CIE standard illuminants

CDN $273.00

SKU: b70a77510de6 Categories: ,

Description

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.

Edition

1

Published Date

2022-08-31

Status

PUBLISHED

Pages

32

Language Detail Icon

English

Format Secure Icon

Secure PDF

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.

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