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GB/T 42567.5-2025: Reference conditions and procedures for testing industrial and process measurement transmitters - Part 5: Specific procedures for flow transmitters
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Reference conditions and procedures for testing industrial and process measurement transmitters - Part 5: Specific procedures for flow transmitters
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GB/T 42567.5-2025
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Basic data | Standard ID | GB/T 42567.5-2025 (GB/T42567.5-2025) | | Description (Translated English) | Reference conditions and procedures for testing industrial and process measurement transmitters - Part 5: Specific procedures for flow transmitters | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N12 | | Classification of International Standard | 25.040 | | Word Count Estimation | 30,321 | | Date of Issue | 2025-01-24 | | Date of Implementation | 2025-08-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 42567.5-2025: Reference conditions and procedures for testing industrial and process measurement transmitters - Part 5: Specific procedures for flow transmitters
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ICS 25.040
CCSN12
National Standard of the People's Republic of China
Reference conditions and test conditions for industrial process measurement transmitters
Procedures Part 5.Specific procedures for flow transmitters
(IEC 62828-5.2020, IDT)
Released on 2025-01-24
2025-08-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction V
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
3.1 Flow transmitter related terms 2
3.2 Terms related to flow rate 3
3.3 Reference to the Common Data Dictionary (CDD) 3
4 Flow Transmitter Overview 3
4.1 Overview 3
4.2 Differential pressure flow meter 4
4.3 Velocity flow meter 4
4.4 Positive displacement flow meter 4
4.5 Mass flow meter 4
5 Reference test conditions and working conditions 4
6 Test Procedure 4
6.1 General 4
6.2 Tests under standard and working reference test conditions 4
6.2.1 General requirements 4
6.2.2 Requirements for different test fluids 5
6.2.3 Accuracy and related factors 6
6.2.4 Dynamic characteristics 11
6.2.5 Static characteristics 11
6.3 Type test under operational test conditions 12
6.4 Routine test 12
6.5 Acceptance, integration and maintenance test of flow transmitter 12
7 Document 13
7.1 Test result files 13
7.2 Determination of Total Probability Error (TPE) 13
7.3 Flow transmitter TPE estimation example 13
Appendix A (Normative) Test Summary 14
Appendix B (Normative) Flow transmitter calibration and calibration report 15
Appendix C (Informative) Flow transmitter calibration information and calibration report 16
C.1 Overview 16
C.2 Calibration method 16
C.2.1 Quality Methods16
C.2.2 Volumetric method 16
C.2.3 Standard table method 16
C.3 Calibration Procedure 17
C.3.1 Setup before calibration run 17
C.3.2 Calibration run 17
C.3.3 Calibration run after 18
C.4 Guidelines for selecting appropriate flow rates 18
Appendix D (Informative) Relationship between Typical Flow Transmitters and Normative References 20
Appendix E (Informative) Notes and instructions for on-site or factory acceptance tests 21
E.1 General 21
E.2 Notes 21
E.2.1 Power supply for flow transmitter, pump and flow generating unit 21
E.2.2 Flow conditions 21
E.2.3 Temperature of the medium being measured 21
E.2.4 Material selection 21
E.2.5 Accuracy compared with other values 21
Reference 23
Figure C.1 Calibration method example 17
Figure C.2 Calibration test process example 19
Table 1 Stability requirements during measurement 5
Table 2 Reference conditions for TPE determination 13
Table A.1 Overview of the tests required for different measurement principles 14
Table D.1 Relationship between typical flow transmitters and normative references 20
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document is part 5 of GB/T 42567 "Reference conditions and procedures for testing industrial process measurement transmitters".
The following parts have been published.
--- Part 1.Common procedures for all types of transmitters;
--- Part 2.Specific procedures for pressure transmitters;
--- Part 3.Specific procedures for temperature transmitters;
--- Part 4.Specific procedures for level transmitters;
--- Part 5.Specific procedures for flow transmitters.
This document is equivalent to IEC 62828-5.2020 "Reference conditions and procedures for testing industrial process measurement transmitters Part 5.Flow
Transmitter Specific Procedures.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Machinery Industry Federation.
This document is under the jurisdiction of the National Industrial Process Measurement, Control and Automation Standardization Technical Committee (SAC/TC124).
This document was drafted by. Chongqing Chuanyi Automation Co., Ltd., Anhui Tiankang (Group) Co., Ltd., Henan Baoshi Anke
Technology Co., Ltd., Xiamen Anton Electronics Co., Ltd., Jiangsu Jack Instrument Co., Ltd., Shanghai Lodinson Industrial Automation Equipment Co., Ltd.
Shanghai GaiLin Automation Technology Co., Ltd., Jiangsu Huaxia Instrument Co., Ltd., Chongqing Science and Technology Testing Center, Chongqing Jinxin Max Safety Instrument
Systems Co., Ltd., Hangzhou Zhenhua Instrument Co., Ltd., Suowu Electrical Equipment (Shanghai) Co., Ltd., Chongqing Wei'an Detector Manufacturing Co., Ltd.
Company, Zhejiang Zhongkong Automation Instrument Co., Ltd., Sichuan Huikeda Instrument Manufacturing Co., Ltd., Jiangyuan (Tianchang) Technology Co., Ltd.,
Guoneng Zhishen Control Technology Co., Ltd., Siemens (China) Co., Ltd., Xi'an Huaheng Instrument Manufacturing Co., Ltd., Chongqing Silian Measurement and Control Technology
Co., Ltd., Shenzhen Biaoli Technology Development Co., Ltd., Southwest University, Huzhou Normal University, Hangzhou Meiyi Automation Co., Ltd., Shanghai Wang
Yuan Measurement and Control Instrument Equipment Co., Ltd., Xi'an Dingzheng Measurement and Control Technology Co., Ltd., Shanghai Modulus Automation Technology Co., Ltd., Jinan Ningtong Automation
Technology Co., Ltd., Shanghai Enbang Automation Instrument Co., Ltd., Shaanxi Youchuang Smart IoT Technology Co., Ltd., Shanghai Mingkong Sensor
Technology Co., Ltd., Tianjin Yihuan Automation Instrument Technology Co., Ltd., Beijing Jingyi Group Co., Ltd., Tianjin Xuner Technology Co., Ltd.
Co., Ltd., Hanwei Technology Group Co., Ltd., Qingdao Automation Instrument Co., Ltd., Xi'an Kaihang Testing Technology Co., Ltd., Chongqing Yu
Tong System Software Co., Ltd., Hubei Nankong Instrument Technology Co., Ltd., Ma'anshan Knight Instrument Technology Co., Ltd., Shenzhen Hengliu
Technology Co., Ltd., Shenzhen Wanxun Automation Co., Ltd., Xi'an Dongfeng Electromechanical Co., Ltd., Beijing Instrument Co., Ltd., Endress+Hauser
Si (China) Automation Co., Ltd., Baxter (Fujian) Intelligent Equipment Technology Co., Ltd., Senior (Nanjing) Process Control Co., Ltd., Jiangsu
Hongguang Instrument Factory Co., Ltd., Jiangsu Weilang Electronic Technology Co., Ltd., Jiangsu Xinhui Measurement and Control Technology Co., Ltd., Shenzhen Feisitech Technology
Co., Ltd., Xi'an Ansen Intelligent Instrument Co., Ltd., Jingfeng Group Co., Ltd., Jiangsu Jiechuang Flow Meter Co., Ltd., Mac
Sensor Co., Ltd., Hangzhou Jingjin Technology Co., Ltd., Jiangsu Jiechuang Technology Co., Ltd., Qidong Hengsheng Instrument Equipment Co., Ltd.,
Beijing Jingyi Automation Equipment Technology Co., Ltd., Shandong Institute of Metrology, Anhui Kunlun Yunlian Technology Co., Ltd., Kashgar
District Electronic Information Industry Technology Research Institute.
The main drafters of this document are. Wu Peng, Mao Wenzhang, Bai Junwei, Zou Mingwei, Xiao Guozhuan, Cao Jingang, Hao Zhenghong, Wang Lihuang, Yang Yushan,
Huang Chengjun, Tan Li, Tian Yingming, Huang Dong, Ai Yuanshu, Wang Tao, Zhang Nan, Tang Tian, Wu Jingchao, Lan Ruoling, Guo Guilin, Niu Haiming, Wang Peng, Zhou Weidong,
Yu Lichuan, Chen Ru, Zhang Yu, Zheng Zeyu, Zhang Hongjie, Tan Zisuo, Li Xiaorui, Wang Haohan, Wang Wanjun, Zhu Yahua, Hu Ming, Jin Qunyan, Liu Zhonghai,
Shen Hongliang, Li Hongsuo, Yang Chenglin, Zhao Zhenxian, Liu Ke, Wang Kang, Guan Weijian, Shu Gaoxiang, Liao Qiong, Zhang Qinfa, Hui Quanmin, Zhang Tongjun, Zhang Yuncai,
Wu Lisheng, Xu Yongcun, Cui Shanchao, Liu Jianbing, Wang Yuxiang, Zeng Hongwei, Wang Shixing, Xu Dejun, Zheng Lixing, Zhao Wen, Kong Guichang, Chen Hongqun,
Yuan Zhonghua, Yu Hao, Zhou Xiang, Qin Lulu, He Dongdong, Liu Feng, Zhang Xinguo, Zhou Xuelian, Yang Yang, Zhang Geng, Yin Guangqiang, Yang Shunkun, Wang Bo, Xu Xi,
Duan Pengya.
Introduction
Most current standards for industrial process measurement transmitters are old and based on analog transmitters.
At the same time, many industrial process measurement transmitters are also evolving and are very different from analog transmitters. they are usually digital and have a lot of computational complexity.
The sub-part (mainly digital electronic circuits) and the measurement part (mainly mechanical structure) include more functions and newer interfaces.
There are some standards related to digital transmitters for process measurements, but suitable test methods for certain performance aspects are still lacking.
The existing test standards for industrial process measurement transmitters are scattered documents, so it is difficult for manufacturers and users to identify and select
It is difficult, impractical and time consuming to select all transmitter standards for measuring a specific process quantity (pressure, temperature, flow, level, etc.).
In order to solve the above problems, better use for manufacturers and users, and provide systematically for different types of industrial process measurement transmitters,
To provide a comprehensive test method, GB/T 42567 is intended to consist of the following five parts.
--- Part 1.Common procedures for all types of transmitters. The purpose is to provide
All types of transmitters used provide reference conditions and a procedural framework for the tests.
--- Part 2.Specific procedures for pressure transmitters. Intended for use in measurement and control systems in industrial processes and machinery
The pressure transmitter provides reference conditions and procedures for specific tests.
--- Part 3.Specific procedures for temperature transmitters. Intended for use in measurement and control systems in industrial processes and machinery
The temperature transmitter provides reference conditions and procedures for specific tests.
--- Part 4.Specific procedures for level transmitters. Intended for use in measurement and control systems in industrial processes and machinery
The level transmitter provides specific test reference conditions and procedures.
--- Part 5.Specific procedures for flow transmitters. Intended for use in measurement and control systems in industrial processes and machinery
The flow transmitter provides reference conditions and procedures for specific tests.
In the process of formulating the GB/T 42567 series of standards, GB/T 18271 (all parts) "Process measurement and control equipment" was adopted.
Many test procedures in the "General Performance Evaluation Methods and Procedures" were revised and necessary improvements were made.
Reference conditions and test conditions for industrial process measurement transmitters
Procedures Part 5.Specific procedures for flow transmitters
1 Scope
This document specifies specific test procedures for flow transmitters used in measurement and control systems in industrial process and machinery control systems.
For general test procedures, please refer to GB/T 42567.1-2023, which is applicable to all types of industrial process measurement transmitters.
This document, together with GB/T 42567.1-2023, constitutes the reference standard for testing all types of flow transmitters, not only for liquid
Suitable for gases and steam.
In this document, "industrial flow transmitters" covers all types of flow used in measurement and control systems of industrial processes and machinery.
Transmitter.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 42567.1-2023 Reference conditions and procedures for testing industrial process measurement transmitters Part 1.All types of transmitters
Common procedures (IEC 62828-1.2017, IDT)
Weighing method
Note. GB/T 17612-1998 Measurement of liquid flow in closed pipes - Gravimetric method (ISO 4185.1980, IDT)
Note. GB/T 27025-2019 General requirements for the competence of testing and calibration laboratories (ISO /IEC 17025.2017, IDT)
IEC 61987-12 Industrial process measurement and control Data structures and elements in process equipment catalogs Part 12.Flow measurement
Note. GB/T 20818.12-2020 Data structure and elements in the catalog of industrial process measurement and control process equipment Part 12.Flow measurement equipment
List of Attributes (LOPs) for electronic data interchange (IEC 61987-12.2016, MOD)
3 Terms and definitions
The terms and definitions defined in GB/T 42567.1-2023 and the following apply to this document.
The URLs for terminology databases used for standardization maintained by ISO and IEC are as follows.
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