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GB/T 25968-2010 English PDF

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US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 25968-2010: Test methods of solar transmittance and solar absorptance of materials by spectrophotometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25968-2010	209	Add to Cart	3 days	Test methods of solar transmittance and solar absorptance of materials by spectrophotometry	Valid

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Basic data

Standard ID: GB/T 25968-2010 (GB/T25968-2010)
Description (Translated English): Test methods of solar transmittance and solar absorptance of materials by spectrophotometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F01
Classification of International Standard: 27.160��
Word Count Estimation: 9,939
Date of Issue: 1/10/2011
Date of Implementation: 4/1/2011
Quoted Standard: GB/T 12936; GB/T 17049; ISO 9806-1
Regulation (derived from): Announcement of Newly Approved National Standards 2011 No. (No. 166 overall) 1
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Standard specifies the cover glass sun all-glass vacuum tube solar collector transmittance and solar selective absorbing coating measurement instruments and test methods than absorption. This Standard is applicable to materials and components for solar applications.

GB/T 25968-2010: Test methods of solar transmittance and solar absorptance of materials by spectrophotometry

---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.
Test methods of solar transmittance and solar absorptance of materials by spectrophotometry ICS 27.160 F01 National Standards of People's Republic of China Sun spectrophotometer material Ratio test method transmittance and solar absorption Issued on. 2011-01-10 2011-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard is a normative appendix. This standard by the National Standardization Technical Committee for Energy and Management, National Standardization Technical Committee proposed solar energy. This standard by the National Standardization Technical Committee of solar energy. This standard is drafted by. Beijing Tsinghua Solar Energy Development Co., Ltd., Tsinghua University, China National Institute of Standardization, Hubei Product Quality Supervision and Inspection Institute, the National Solar Water Heater Quality Supervision and Inspection Center (Beijing), China Institute of Metrology, Beijing Wei Star Factory, Beijing Tianpu Solar Ltd., Jiangsu Huayang Solar Energy Co., Ltd. Shandong Lok Sang solar, Jiangsu Sun Yu Solar Co., Ltd., Shandong Linuo New Material Co., Himin Solar Energy Group Co., Ltd., Hubei Huayang Solar Group Limited. The main drafters of this standard. Yin Zhiqiang, Zhou Xiaowen, Jia Tieying, Nahum Yue, Wang Yu, Zhang Xiaoli, He Tao, to learn German, Huang Yongwei, high-Jing Ping, New Xu, Li Ye Bo, Wang Zhi Jian, Huang Yongding. Sun spectrophotometer material Ratio test method transmittance and solar absorption

1 Scope

This standard specifies the cover glass sun all-glass vacuum tube solar collector transmittance and solar selective absorbing coating ratio of absorption measurements Instruments and test methods. This standard applies to materials and components of solar energy applications.

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 12936 solar thermal terms GB/T 17049 all-glass vacuum tube solar collector Glass surface collector thermal performance and pressure drop measurement. Part 1 ISO 9806-1 solar collector detection method

3 Terms and Definitions

And the following terms and definitions GB/T 12936 apply to this standard established. 3.1 Monochromatic transmittance monochromatictransmittance τλ At a single wavelength λ, the ratio of power transmission and bin incident. 3.2 Solar transmittance solartransmittance τs Bin transmission power ratio and the incident solar radiation. 3.3 Monochrome reflectance monochromaticreflectance ρλ At a single wavelength λ, power ratio bin reflection of the incident light. 3.4 Solar Reflectance solarreflectance ρs Power ratio bin reflecting the incident solar radiation. 3.5 Solar absorption ratio solarabsorptance αs Bin incident solar radiation absorption and power ratio. 3.6 Air Quality 1.5 airmass1.5 AM1.5 Solar elevation angle was 41.8 ° when the number of air quality, the sun and the solar transmittance than the absorption ratio calculated according AM1.5. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 25968-2010_English be delivered?

Answer: Upon your order, we will start to translate GB/T 25968-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 25968-2010_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 25968-2010_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.