GB/T 33865-2017 English PDF

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GB/T 33865-2017: Calibration method for photosynthetic active radiometer
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33865-2017	279	Add to Cart	3 days	Calibration method for photosynthetic active radiometer	Valid

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Basic data

Standard ID: GB/T 33865-2017 (GB/T33865-2017)
Description (Translated English): Calibration method for photosynthetic active radiometer
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A47
Classification of International Standard: 07.060
Word Count Estimation: 14,119
Date of Issue: 2017-07-12
Date of Implementation: 2018-02-01
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

GB/T 33865-2017: Calibration method for photosynthetic active radiometer

---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.
Calibration method for photosynthetic active radiometer ICS 07.060 A47 National Standards of People's Republic of China Calibration method of photosynthetically active radiation table 2017-07-12 released 2018-02-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface I 1 Scope 1

2 terms and definitions

3 Calibration conditions 1 4 calibration method 2

5 Uncertainty assessment of calibration results

6 calibration results 3 7 re - school time interval 3 Appendix A (Normative Appendix) Spectral Radiometer Specifications 4 Appendix B (normative) Spectral radiometer method 5 Appendix C (informative) Evaluation of Uncertainty in Calibration Results of Photosynthetically Effective Radiation Table 7 Reference 10

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Meteorological Administration. This standard is nationalized by the National Standardization Technical Committee for Meteorological Instruments and Observation Methods (SAC/TC507). The drafting unit of this standard. National Meteorological Metering Station, Yunnan Province, atmospheric detection and security center, Jiangsu Province Radio Science Research Institute Co., Ltd. The main drafters of this standard. Yang Yun, Quan Jimei, Ding Lei, Chong Wei, Lin Bing, Wang Yunkun, Hu Mei, Wang Xin, Zhu Ya, Xu Yigang. Calibration method of photosynthetically active radiation table

1 Scope

This standard specifies the calibration conditions for the photosynthetically active radiation table, the calibration method, and the uncertainty of the calibration results. This standard is applicable to the calibration of the sensitivity of the hemisphere to the photosynthetically active radiation table.

2 terms and definitions

The following terms and definitions apply to this document. 2.1 Photosynthetic active radiation table photosyntheticactiveradiometer Hemispherical to the photosynthetic effective radiation table hemisphericalphotosyntheticactiveradiometer Measure the radiant table of the total solar radiation from 400 nm to 700 nm received from the upper 2π solid angle of the given plane.

3 calibration conditions

3.1 Environmental conditions 3.1.1 around the open, the instrument sensor surface above no obstacles. 3.1.2 sunny sky, the sun height angle of not less than 30 °, should be in place 10.00 to 14.00 between. 3.1.3 air temperature in the range of 10 ℃ ~ 30 ℃, the relative humidity of not more than 80%, wind speed is not greater than 5m/s. 3.2 standard and ancillary equipment 3.2.1 Standard Photosynthetic Effective Radiation Table Should meet the following requirements. a) The uncertainty should not be greater than 6%; b) cosine response error (zenith angle 0 ° ~ 80 °) should not be greater than 10%; c) azimuth response error (zenith angle 0 ° ~ 70 °) should not be greater than 5%; d) the temperature error should not be greater than 0.3%/℃; e) Stability should not be greater than 3%. 3.2.2 digital instrumentation 0.05, resolution 1μV. 3.2.3 Environmental measuring instruments Technical indicators in Table 1. ......

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