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GB/T 32201-2015: Gas meters
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GB/T 32201-2015
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Basic data | Standard ID | GB/T 32201-2015 (GB/T32201-2015) | | Description (Translated English) | Gas meters | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N12 | | Classification of International Standard | 17.120.10; 75.180.30 | | Word Count Estimation | 57,547 | | Date of Issue | 2015-12-10 | | Date of Implementation | 2016-07-01 | | Quoted Standard | GB/T 2423.1; GB/T 2423.2; GB/T 2423.3; GB/T 2423.4; GB/T 2423.7; GB/T 2423.43; GB/T 2423.56; GB/T 17214.2; GB/T 17626.2; GB/T 17626.3; GB/T 17626.4; GB/T 17626.5; GB/T 17626.6; GB/T 17626.11; GB/T 17626.17; GB/T 17626.29; GB/T 17799.1; GB/T 17799.2; GB/Z 18039.5; OIML D31-2008; OIML R140-2007; OIML V1-2000; OIML V2-200-2012 | | Adopted Standard | OIML R 137-1-2012, MOD; OIML R 137-2-2012, MOD | | Regulation (derived from) | National Standard Announcement 2015 No.38 | | 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 gas meter (hereinafter referred to as meter) terms and definitions, units of measurement, measurement requirements, technical requirements, marking, operating instructions, seals, fitness hole to take pressure, measurement control, type approval, initial verification and follow-up checks. This standard applies to the measurement technique based on any or works for a gaseous fuel measured by work conditions or other gas volume or mass flow meters, also applies to additional electronic devices meter, built-correcting device, built-in temperature compensation devices and other devices that may be attached. This standard does not apply to liquid gas measurement, multiphase gas, steam and compressed natural gas flow meter (CNG) filling measuring machine uses compressed natural gas meter. For stand-alone product or as a component meter conversion means, determining means, and the gas flow measurement system composed of several units of high calorific value, and asked to see its associated OIML R140. | GB/T 32201-2015: Gas meters---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.
(Gas flowmeter)
ICS 17.120.10; 75.180.30
N12
National Standards of People's Republic of China
Gas Flowmeter
Gasmeters
(OIMLR137-1
Issued on. 2015-12-10
2016-07-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
3.1 Gas flow meter and component parts 2
3.2 Metrological characteristics 3
6 3.3 Operating Conditions
3.4 Test conditions 7
3.5 The electronic device 8
4 Unit 8
5 measurement requirements 8
5.1 Rated operating conditions 8
5.2 qmax and qt, qmin ratio 8
5.3 accuracy class and the maximum permissible error (MPE) 9
5.4 Weighted average error (WME) 9
5.5 Repair and seal damaged 10
5.6 Reproducibility 10
5.7 Repeatability 10
5.8 Working pressure 10
5.9 temperature 10
5.10 Durability 10
5.11 Overload flow 10
5.12 vibration and shock 10
5.13 meter measurement of a particular type of claim 11
6 Technical Requirements 13
6.1 Structure 13
6.2 flow direction 14
6.3 indicating device 14
6.4 detection unit 15
6.5 assist device 16
6.6 Power 16
6.7 Check electronic flow meter, gauge self-test and alarm functions 17
6.8 Software 18
7 marks 18
7.1 nameplates and tags 18
Generalized Markup 7.2 meter 18
7.3 with built-in conversion device and only one additional marker 18 meter display
Additional markers 7.4 meter with the output drive shaft 18
Additional markers 7.5 meter with electronic devices 19
8 19 Operating Instructions
8.1 Manual 19
8.2 Installation conditions 19
9 verification marks and seals 20
9.1 General 20
9.2 verification marks 20
9.3 Mechanical seal (if applicable) 20
(If applicable) 20 9.4 Electronic Seal
10 hole to take pressure applicability 21
10.1 General 21
10.2 Pressure aperture 21
10.3 closure device 21
10.4 numeral 21
Metering Control 21 11
11.1 Test Method 21
11.2 Uncertainty 22
12 Type Evaluation 22
12.1 General 22
12.2 documents 22
Structural Inspection 23 12.3
12.4 Prototype Number 23
24 12.5 Type evaluation outline
12.6 Type evaluation tests 25
12.7 type approval certificate 30
12.8 initial verification provisions 30
13 initial verification and subsequent verification 30
13.1 General 30
13.2 Additional requirements for sampling test 31
13.3 Additional requirements for use of the check 32
Appendix A (normative) Flow Meter software management requirements 33
Appendix B (normative) Environmental testing of electronic instruments or apparatus 36
Annex C (normative) Test flow disturbances 44
Annex D (normative) requires a different measurement principles and application of the test meter Project Overview 46
Appendix E (normative) Evaluation of the type flowmeter 47
Annex F (informative) authentication method selected instructions 49
Annex G (informative) This standard OIMLR137-1
References 53
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard uses redrafted law revision adopts the International Organization of Legal Metrology (OIML) International Recommendation OIMLR137-1
"Gas flow meter."
This standard OIMLR137-1
R137-1
--- Remove the international recommendations in the "first part of the metrology and technical requirements" and "the second part of the measurement control and performance testing."
title;
--- After the international recommendations Chapter 1, "Preface" and Chapter 2, "Scope" is incorporated to streamline the present standard Chapter 1, "Scope"
content;
--- Increased Chapter 2, "Normative references", lists the other documents referenced in normative standards;
--- The only international recommendations Appendix Part 1 I adapted this standard in Appendix A, the international recommendations Part 2 Appendix A to
Appendix E of this standard extended arrangement Appendices B through F.
This standard made the following editorial changes.
--- Traffic sign with "q" instead of "Q", the representative of the instantaneous flow rate;
--- With "℃" indicates the temperature range of the unit instead of "K";
--- On paper made a number of segments suspension process, and modified non-compliance numbers.
The standard proposed by China Machinery Industry Federation.
Control and automation Standardization Technical Committee (SAC/TC124) is under the jurisdiction of this standard is measured by the country's industrial processes.
This standard is drafted by. Beijing Institute of Metrology detection.
Participated in the drafting of this standard. Shanghai Industrial Automation Instrument Research Institute, Chongqing Institute of Metrology and Quality Inspection, China Institute of Metrology
Study Institute, Chongqing avant-garde Crom Table industry limited liability company, day letter Instrument Group Co., Ltd., Zhejiang Cangnan Instrument Factory, Gold has a high-tech stock
Ltd., Zhejiang Weixing Intelligent Instrument Co., Ltd., Tianjin Branch Instrument Co., Ltd. sets, China West-East Gas Pipeline Company Southern Petroleum
Measurement and Testing Center in Beijing, Hong Kong and China Gas Company Limited, Beijing Institute of Public Utilities Science and Technology Development Co., Ltd. Chengdu Qinchuan Rong
Yuxiang Industrial Co., Ltd. into the city.
The main drafters of this standard. Yangyou Tao, Guo Aihua, Liu new paragraph Huiming, Liu Xianfeng, Ye Peng, Yinxing Jing, Guo Gang, Zhao Yanhua, Xiao Qiang, the country Ming Chang,
Huang Weidong, Zhang Tao, Shaoze Hua, Zou Ziming, Ho Yi Chao.
Gas Flowmeter
1 Scope
This standard specifies the gas meter (hereinafter referred to as meter) terms and definitions, units of measurement, measurement requirements, technical requirements, marking,
Operating Instructions, seal, applicability hole to take pressure, measurement control, type approval, initial verification and subsequent verification.
This standard applies to the measurement technique based on any or works for a gaseous fuel measured by the working conditions or other gases
Volume or mass flow meters, also applies to additional electronic devices meter, built-correcting device, built-in temperature compensation device and possibly other
Additional devices.
This standard does not apply to liquid gas measurement, multiphase gas, steam and compressed flow meter measuring gas (CNG) filling machine used
Compressed natural gas meter.
For gas composed of several units as a standalone product or component meter conversion means, means for determining a high calorific value and
Flow measurement system requirements, see OIMLR140.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 2423.1 Environmental testing for electric and electronic products Part 2. Test methods Test A. Cold (GB/T 2423.1-
2008, IEC 60068-2-1.2007, IDT)
GB/T 2423.2 Environmental testing for electric and electronic products Part 2. Test methods Test B. Dry heat (GB/T 2423.2-
2008, IEC 60068-2-2.2007, IDT)
GB/T 2423.3 Environmental testing for electric and electronic products Part 2. Test methods - Test Cab. Damp heat test
(GB/T 2423.3-2006, IEC 60068-2-78.2001, IDT)
GB/T 2423.4 Environmental testing for electric and electronic products Part 2. Test methods - Test Db. Damp heat (12h 12h cycle
Ring) (GB/T 2423.4-2008, IEC 60068-2-30.2005, IDT)
GB/T 2423.7 Environmental testing for electric and electronic products Part 2. Test Ec and guidance. Drop and topple (mainly
For equipment - type specimens) (GB/T 2423.7-1995, IEC 60068-2-31. 1982, IDT)
GB/T 2423.43 Environmental testing for electric and electronic products - Part 2. vibration, impact and similar dynamic tests like Test Method
Installation goods (GB/T 2423.43-2008, IEC 60068-2-47.2005, IDT)
GB/T 2423.56 Environmental testing for electric and electronic products Part 2. Test methods - Test Fh. Broadband random vibration (digital control
Ltd.) and guidance (GB/T 2423.56-2006, IEC 60068-2-64.1993, IDT)
GB/T 17214.2 industrial process measurement and control equipment operating conditions - Part 2. Power (GB/T 17214.2-2005,
IEC 60654-2. 1979, IDT)
GB/T 17626.2 Electromagnetic compatibility Testing and measurement techniques - Electrostatic discharge immunity test (GB/T 17626.2-2006,
IEC 61000-4-2.2001, IDT)
GB/T 17626.3 electromagnetic compatibility test and measurement technology RFEMS test (GB/T 17626.3-
2006, IEC 61000-4-3.2002, IDT)
GB/T 17626.4 Electromagnetic compatibility Testing and measurement techniques - Electrical fast transient burst immunity test (GB/T 17626.4-
2008, IEC 61000-4-4.2004, IDT)
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