YC/T 291-2009 English PDF

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YC/T 291-2009: Ambient condition of tobacco grading laboratory
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YC/T 291-2009	189	Add to Cart	3 days	Ambient condition of tobacco grading laboratory	Valid

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Basic data

Standard ID: YC/T 291-2009 (YC/T291-2009)
Description (Translated English): Ambient condition of tobacco grading laboratory
Sector / Industry: Tobacco Industry Standard (Recommended)
Classification of Chinese Standard: X85
Classification of International Standard: 65.160
Word Count Estimation: 7,725
Date of Issue: 2009-03-30
Date of Implementation: 2009-05-01
Quoted Standard: GB/T 2900.65-2004; GB/T 5698-2001; GB/T 13379; GB/T 15608-2006
Regulation (derived from): 2009 No. 5 (total 113) Chinese industry standard filing Announcements
Issuing agency(ies): State Tobacco Monopoly Administration
Summary: This standard specifies the tobacco grading laboratory environment terms and definitions, ambient lighting, ambient temperature and humidity, and ambient color table and equipment maintenance. This standard applies to grading laboratory construction, grading lab in tobacco grading, sample preparation and tobacco grade quality inspection.

YC/T 291-2009: Ambient condition of tobacco grading laboratory

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Ambient condition of tobacco grading laboratory ICS 65.160 X85 Record Number. 25974-2009 People's Republic of China tobacco industry standards Tobacco graded ambient laboratory conditions Posted 2009-03-30 2009-05-01 implementation State Tobacco Monopoly Bureau issued

Foreword

Appendix A of this standard is an informative annex. This standard was proposed by the State Tobacco Monopoly Bureau. This standard by the National Standardization Technical Committee on Agriculture Technical Committee on Tobacco (SAC/TC144/SC2) centralized. This standard was drafted. National Tobacco Quality Supervision and Inspection Center, China Tobacco Corporation, China Tobacco Corporation Staff Technical Training Center. The main drafters of this standard. Li Rui, Wang Yuan, Li Guang was - cured Li high, with Stephen Lee, Roanne, Xing Jun. Tobacco graded ambient laboratory conditions

1 Scope

This standard specifies the terms and definitions of tobacco grading lab environment, ambient lighting, temperature and humidity, and ambient color and table Equipment maintenance. This standard applies to grading laboratory construction, tobacco grading laboratory conducted in grading, sample preparation and quality tobacco rating test.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 2900.65-2004 Electrotechnical terminology lighting [IEC 60050 (845). 1987, MOD] GB/T 5698-2001 term color GB/T 13379 Principles of visual ergonomics lighting indoor workplaces GB/T 15608-2006 Chinese color system

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Spectral density function of wavelength between. [GB/T 5698-2001,3.3] 3.2 When the light source chromaticity chromaticity and a full radiator temperature is the same, the absolute temperature of the radiator completely for this color temperature of the light source. Symbol color temperature Tc, the unit is K. [GB/T 5698-2001,4.88] 3.3 When the chromaticity point of the light source is not blackbody locus, light chromaticity chromaticity closest to full radiator at a temperature of, or in uniform Minimum distance color chromaticity diagram, the absolute temperature of the radiator is full. Correlated color temperature of symbols Tcp, the unit is K. [GB/T 5698-2001,4.89] 3.4 Significant measure of light color. To the extent consistent with the color of the object under the reference light source color of an object under test and to represent. [GB/T 5698-2001,4.77] ......

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