GB/T 33693-2017 English PDFUS$159.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 33693-2017: Test method for ultrasonic anemometer Status: Valid
Basic dataStandard ID: GB/T 33693-2017 (GB/T33693-2017)Description (Translated English): Test method for ultrasonic anemometer Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: A47 Classification of International Standard: 07.060 Word Count Estimation: 8,882 Date of Issue: 2017-05-12 Date of Implementation: 2017-12-01 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 Summary: This standard specifies the laboratory test method for two-dimensional ultrasonic wind measuring instrument. This standard is applicable to the testing of two-dimensional ultrasonic wind measuring instrument. GB/T 33693-2017: Test method for ultrasonic anemometer---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 method for ultrasonic anemometer ICS 07.060 A47 National Standards of People's Republic of China Test method of ultrasonic wind measuring instrument 2017-05-12 released 2017-12-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface III 1 Scope 1 2 terms and definitions3 Test conditions 1 Test Method 2 Appendix A (normative) Standard wind speed calculation method 4 Reference 5ForewordThis 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 of this standard. China Meteorological Bureau Meteorological Detection Center, Xinjiang Meteorological Technology and Equipment Support Center, Heilongjiang Province, atmospheric detection technology Insurance Center, Hubei Meteorological Information and Technology Support Center, Jiangsu Radio Science Research Institute Co., Ltd. The main drafters of this standard. side Zeqiang, Chen Xi, Li Songkui, Liu Xin, Wu Ning, Li Shuai, Zeng Tao, Zhou Qi, Zhang Xu, Xu Ming. Test method of ultrasonic wind measuring instrument1 ScopeThis standard specifies a two-dimensional ultrasonic wind measuring instrument laboratory test method. This standard is applicable to the testing of two-dimensional ultrasonic wind measuring instrument.2 terms and definitionsThe following terms and definitions apply to this document. 2.1 Ultrasonic wind measuring instrument According to the ultrasonic velocity in the air propagation rate changes with the wind speed changes made by the principle of measuring instruments. [QX/T 8-2002, definition 5.4.46] 2.2 Blocking than blockageratio Wind tunnel test section of the instrument (including the installation bracket, anemometer starter lever and other control pieces) wind area and test section uniform area cross-sectional area Ratio. [JJG431-2014, definition 3.3]3 test conditions3.1 Laboratory environment Temperature. 15 ° C to 30 ° C; Relative humidity. not more than 85%; Atmospheric pressure. 500hPa ~ 1060hPa. 3.2 standard equipment and ancillary equipment Standard instruments and ancillary equipment, the main technical indicators in Table 1. Table 1 standard instruments and ancillary equipment main technical indicators Classification of the main technical indicators Standard Pieto static pressure tube K. 0.999 ~ 1.002, Urel not more than 0.5% Digital micro-pressure measuring range. 0Pa ~ 2500Pa, the maximum allowable error. ± 0.5Pa Universal angle measuring range. 0 ° ~ 360 °, the maximum allowable error. ± 5 ' Supporting equipment Wind tunnel Measuring range of not less than 30m/s, flow rate stability of not more than 0.5%, flow uniformity of not more than 1.0%, blocking ratio is not Greater than 0.05 Thermometer measuring range. 0 ℃ ~ 50 ℃, the maximum allowable error. ± 0.5 ℃ ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 33693-2017_English be delivered?Answer: Upon your order, we will start to translate GB/T 33693-2017_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 33693-2017_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 33693-2017_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+ countriesQuestion 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. |