GB/T 20147.2-2026 English Version, GB/T 20147.2-2026 Colorimetry—Part 2: CIE standard illuminants (English Version)

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GB/T 20147.2-2026 Colorimetry—Part 2: CIE standard illuminants (English Version)
Standard No.:	GB/T 20147.2-2026	Status:	valid remind me the status change Email:
Target Language:	English	File Format:	PDF
Word Count:	21000 words	Translation Price(USD):	630.0 remind me the price change Email:
Implemented on:	2026-1-28	Delivery:	via email in 1~8 business day

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Standard No.:	GB/T 20147.2-2026
English Name:	Colorimetry—Part 2: CIE standard illuminants
Chinese Name:	色度学第2部分：CIE标准照明体
Chinese Classification:	K70 Electric lighting in general
Professional Classification:	GB National Standard
ICS Classification:	17.180.20 17.180.20 Colours and measurement of light 17.180.20
Source Content Issued by:	SAMR, SAC
Issued on:	2026-01-28
Implemented on:	2026-1-28
Status:	valid
Superseding:	GB/T 20146-2006 CIE standard illuminants for colorimetry
Target Language:	English
File Format:	PDF
Word Count:	21000 words
Translation Price(USD):	630.0
Delivery:	via email in 1~8 business day

Standard

GB/T 20147.2-2026 Colorimetry—Part 2: CIE standard illuminants (English Version)
Standard No.	GB/T 20147.2-2026
Status	valid
Language	English
File Format	PDF
Word Count	21000 words
Price(USD)	630.0
Implemented on	2026-1-28
Delivery	via email in 1~8 business day

Detail of GB/T 20147.2-2026

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Introduction of GB/T 20147.2-2026

本文件规定了色度学中使用的三种CIE标准照明体：用于表示典型钨丝照明的CIE标准照明体A，用于表示相关色温约为6 500 K平均日光的CIE标准照明体D65，以及用于表示相关色温约为5 000 K日光的CIE标准照明体D50。本文件中规定了三种照明体的相对光谱功率分布值。
本文件适用于物体(材料)反射、透射或者散射的颜色目视评估与客观测量等相关领域，也适用于模拟照明体的光源制造与应用等相关领域。

Contents of GB/T 20147.2-2026

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