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GB/T 13786-2022Artificial daylight illumination for cotton classing rooms (English PDF)

棉花分级室的模拟昼光照明

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Issued by

State Administration for Market Regulation; Standardization Administration of China

Level / Type

National · Recommended

Issue date

October 12, 2022

Implementation date

May 1, 2023

Scope

GB/T 13786-2022 is the English-translated version of 棉花分级室的模拟昼光照明.

GB/T 13786-2022 is the Chinese standard "Artificial daylight illumination for cotton classing rooms". Its scope clause reads: This document specifies the technical requirements and requirements for the lighting quality, light intensity, lighting conditions, and lighting units of the simulated daylight lighting in the cotton grading room.

Installation method, environmental color, maintenance of lighting equipment and other technical requirements. This document applies to cotton grading rooms. Its clauses include terms and definitions.

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Document preview — GB/T 13786-2022

National Standard of the People's Republic of China

ICS: 59.060.10
Classification: W 10
Replacing: GB/T 13786-1992

Issued by: State Administration for Market Regulation; Standardization Administration of China

1 Scope
2 Normative references
3 Terms and Definitions
3.3 color temperaturecolortemperature
3.4 Tcp
3.5 Color rendering index

1 Scope

This document specifies the technical requirements and requirements for the lighting quality, light intensity, lighting conditions, and lighting units of the simulated daylight lighting in the cotton grading room.

Installation method, environmental color, maintenance of lighting equipment and other technical requirements.

This document applies to cotton grading rooms.

2 Normative references

This document has no normative references.

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1

Spectral density as a function of wavelength.

[Source. GB/T 5698-2001, 3.3, with modification]

3.2

A specific relative spectral power distribution incident on an object as specified by the International Commission on Illumination (CIE).

Note. Including the standard illuminant D75 (daylight with a correlated color temperature of about 7504K).

[Source. GB/T 5698-2001, 4.85, modified]

3.3 color temperaturecolortemperature

When the chromaticity of the light source is the same as that of the perfect radiator at a certain temperature, the absolute temperature of the perfect radiator.

Note. The unit is Kelvin (K).

[Source. GB/T 5698-2001, 4.88, modified]

3.4 Tcp

When the chromaticity point of the light source is not on the black body locus, the chromaticity of the light source is the closest to that of a complete radiator at a certain temperature, or in a uniform

The absolute temperature of the perfect radiator when the color difference distance on the chromaticity diagram is the smallest.

Note. The unit is Kelvin (K).

[Source. GB/T 5698-2001, 4.89, modified]

3.5 Color rendering index

A measure of the color rendering of a light source.

GB/T 6097 | GB/T 21977 | FZ/T 01085 | GB/T 45583 | GB/T 31902 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 19 pages — is available in the English PDF.

Referenced standards

Normative references

GB 50034

Cited by

Similar standards

GB 1103.1-2023|GB 1103.2|GB/T 5702|GB/T 5700|GB 6975-2013|GB 50034

Editions of GB/T 13786

Edition	Title	Revision	Status
GB/T 13786-2022	Artificial daylight illumination for cotton classing rooms	first revision	Current
GB/T 13786-1992	Artificial daylight illumination for cotton classing rooms	first issue	Superseded

This page sells the current edition, GB/T 13786-2022. Earlier editions are listed for reference only.

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