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GB/T 35186-2017 English PDF

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US$679.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 35186-2017: Performance evaluation of measuring system for natural gas
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 35186-2017	679	Add to Cart	6 days	Performance evaluation of measuring system for natural gas	Valid

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Basic data

Standard ID: GB/T 35186-2017 (GB/T35186-2017)
Description (Translated English): Performance evaluation of measuring system for natural gas
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: E98
Classification of International Standard: 75.180.30
Word Count Estimation: 34,367
Date of Issue: 2017-12-29
Date of Implementation: 2018-07-01
Regulation (derived from): National Standards Bulletin 2017 No. 32
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 35186-2017: Performance evaluation of measuring system for natural gas

---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.
Performance evaluation of measuring system for natural gas ICS 75.180.30 E98 National Standards of People's Republic of China Natural gas measurement system performance evaluation 2017-12-29 Posted 2018-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Foreword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 measurement system evaluation content 2 4.1 measuring equipment configuration 2 4.2 Measurement Management 2 4.3 Flow and temperature and pressure measurement 2 4.4 Determination of physical parameters 3 4.5 Evaluation of uncertainty 4 5 measurement system evaluation methods and procedures 4 5.1 measuring instruments configuration 4 5.2 Metering Management 4 5.3 Flow and temperature and pressure measurement 4 5.4 Determination of physical parameters 4 5.5 Evaluation of uncertainty 5 6 evaluation results and time 6 6.1 Evaluation Results 6 6.2 Evaluation time 6 Appendix A (informative) measurement system evaluation example 7 A.1 measuring instruments configuration 7 A.2 Metrology Management 7 A.3 flow meter and temperature and pressure measurement 8 A.4 Physical parameters 9 A.5 Evaluation of uncertainty 11 Appendix B (Normative) Measurement System Uncertainty Assessment 12 B.1 Overview 12 B.2 Calculation of volume flow under standard reference conditions Uncertainty 12 B.3 Calculation of energy flow under standard reference conditions Uncertainty 12 B.4 Measurement uncertainty of volume flow under working conditions 13 B.5 Measurement of Mass Flow Uncertainty 13 B.6 Pressure (Differential Pressure) Measurement Uncertainty 13 B.7 Temperature Measurement Uncertainty 14 B.8 Calculation uncertainty of physical parameters under working conditions 15 B.9 standard reference conditions uncertainty of the physical parameters 15 B.10 Composition Analysis Uncertainty 17 Appendix C (Informative) Uncertainty Assessment Example 20 C.1 Measurement Parameters Uncertainty 20 C.2 Calculation of parameter uncertainty 21 C.3 Flow Measurement Uncertainty 23 Appendix D (Informative) Measurement System Performance Evaluation Report 24

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard by the National Standardization Technical Committee of Oil and Gas (SAC/TC355) and focal point. This standard was drafted unit. National Oil and Gas large flow metering station Guangzhou sub-station, the national oil and gas large flow metering station, China Stone Oil West-East Gas Pipeline Branch, CNPC Southwest Oil and Gas Field Branch Natural Gas Research Institute, Beijing Bosida New Century Measurement and Control Technology Limited the company. The main drafters of this standard. Zhang Fuyuan, Gao Jun, Qiu Hui, Xiao Di, Zeng Wenping, Ren Jia, Peng Jianwei, Wang Jingan, yellow and Chen Jing. Natural gas measurement system performance evaluation

1 Scope

This standard specifies the content, methods, procedures, results and time of performance evaluation of natural gas metering system. This standard applies to meet the GB/T 18603 provisions of natural gas metering system. Other gas measurement system can be used for reference.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 11062 natural gas calorific value, density, relative density and Wobbe index calculation method GB/T 13609 gas sampling guidelines GB/T 13610 Composition of natural gas by gas chromatography Natural gas - Determination of butane to hexadecane hydrocarbons - Gas chromatography GB/T 17747 (all parts) calculation of natural gas compression factor GB/T 18603 gas measurement system technical requirements GB/T 18604 with gas ultrasonic flowmeter to measure natural gas flow GB/T 19205 natural gas standard reference conditions GB/T 21391 gas turbine flow meter measuring natural gas flow GB/T 21446 with a standard orifice flow meter to measure natural gas flow GB/T 22723 Determination of natural gas energy GB/T 27894 (all parts) of natural gas with certain uncertainty by gas chromatography to determine the composition GB/T 28766 natural gas online analysis system performance evaluation Natural gas sampling method GB/T 30490 GB/T 30500 gas ultrasonic flowmeter in use sound velocity test method GB/T 34166 uses a standard nozzle flow meter to measure natural gas flow JJF1059.1 Evaluation and Expression of Measurement Uncertainty JJF1183 Temperature Transmitter Calibration Specification JJG229 industrial platinum, copper thermal resistance JJG633 gas volume flow meter JJG640 differential pressure flow meter JJG700 gas chromatograph JJG882 pressure transmitter JJG1003 Flow Totalizer JJG1030 ultrasonic flowmeter JJG1037 turbine flow meter JJG1038 Coriolis mass flow meter JJG1055 online gas chromatograph JJG1121 precession vortex flowmeter ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 35186-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 35186-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 35186-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 35186-2017_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+ 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.