GB/T 22133-2008 English PDF

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GB/T 22133-2008: Measurement of fluid flow -- Methods of specifying flowmeter performance
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22133-2008	334	Add to Cart	3 days	Measurement of fluid flow -- Methods of specifying flowmeter performance	Valid

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Basic data

Standard ID: GB/T 22133-2008 (GB/T22133-2008)
Description (Translated English): Measurement of fluid flow -- Methods of specifying flowmeter performance
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N12
Classification of International Standard: 17.120.10
Word Count Estimation: 17,114
Date of Issue: 2008-06-30
Date of Implementation: 2009-01-01
Quoted Standard: ISO/TR 5168
Adopted Standard: ISO 11631-1998, IDT
Regulation (derived from): Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
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 applies to meter manufacturer 's specifications and instructions issued. This standard provides for a variety of closed pipe or open channel flowmeter performance formulation. This standard describes how the level meter traceable to classify the flowmeter, and elaborates on how to express flowmeter manufacturer shall traceability, quality assurance and conditions of use, but the meter is still used in other situations may require for further instructions.

GB/T 22133-2008: Measurement of fluid flow -- Methods of specifying flowmeter performance

---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.
Measurement of fluid flow. Methods of specifying flowmeter performance ICS 17.120.10 N12 National Standards of People's Republic of China GB/T 22133-2008/ISO 11631.1998 Fluid Flow Measurement Meter performance presentation method (ISO 11631.1998, IDT) Posted 2008-06-30 2009-01-01 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 4 General requirements 6 5 7 Traceability Flow Measurement Uncertainty 6 7 7 7 conditions of use 8 Traceability Level 7 Appendix A (informative) illustrates the linearity of 9 Appendix B (normative) 11 Repeatability References 13 GB/T 22133-2008/ISO 11631.1998

Foreword

This standard is identical with ISO 11631.1998 "Measurement of fluid flow meter performance presentation method." This standard is equivalent to translate ISO 11631.1998 (English version). In developing this standard according to GB/T 1.1-2000 "Standardization Guide Part 1. Standard structure and writing rules" and GB/T 20000.2-2001. the relevant provisions of "Standardization Guide Part 2 rules of international standards," made the following editorial modify. --- Remove the ISO standard preface; --- Original language reference guide according to the provisions of the standard GB/T 1.1-2000 changed to normative documents referenced introductory phrase; --- "This International Standard" be replaced by "this standard"; "." --- With a decimal point instead of a comma as the decimal point, ""; --- 3.13 Note 1 Originally "x0" error, now corrected to "x0"; 3.15 --- original term is "hysteresis", according to the definition and drawings to see the original error, now changed to "hysteresiserror"; --- References [5] formerly ISO Guide 25, in view of ISO Guide 25 has been changed to ISO /IEC 17025.1999, and there is a corresponding country Home Standard GB/T 27025-2008 "testing and calibration laboratories General requirements", so to GB/T 27025. Appendix A of this standard is an informative annex, Annex B normative appendix. The standard proposed by China Machinery Industry Federation. The standard measurement and control Standardization Technical Committee first points by the National Technical Committee of industrial processes. This standard is drafted by. China Institute of Metrology, Shanghai Institute of Industrial Automation Instrumentation. Participated in the drafting of this standard. Beijing Institute of Metrology detection. The main drafters of this standard. Li Xu, Wang Yun Tao, Li Minghua. This standard was first published. GB/T 22133-2008/ISO 11631.1998 Fluid Flow Measurement Meter performance presentation method

1 Scope

This standard applies to the meter manufacturer's specifications and instructions issued. This standard specifies the performance of representation method for closing a pipe or open channel flow meter variety. This standard describes how the meter according to the meter level traceability classify and elaborate on how the manufacturer shall table Said flowmeter traceability, quality assurance and conditions of use, but the meter is still used in other situations may require further explanation. Note. The terms and definitions established by Chapter 3 includes a wealth of technical terms to promote the universal application of these terms in the technical specifications.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Assessment of ISO /T R5168 Fluid Flow Measurement Flow Measurement Uncertainty

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Accuracy Flowmeter measurements given the true value is close to capacity. Note. Accuracy is a commonly used term that contains a systematic error, random error, hysteresis, dead zone effect and so on. While all of these errors are combined in the "fine Accuracy "Under such a title is easy to use, but it is a qualitative term, which itself does not assign values, not for performance specifications flowmeter. 3.2 Accuracy Level Flowmeter meet certain metrological requirements, the error level maintained within the specified limits. Note. Accuracy class usually numbers or symbols indicate agreement, known as level indicators. 3.3 System Error indication of the meter. 3.4 Under specified conditions, to determine the relationship between a set of actions corresponding magnitude values \u200b\u200band reference standard meter indication indicative of. Note 1. The calibration results can be used to determine the value shown corresponds to the measured value, or determine the correction values \u200b\u200bare shown values. Note 2. The calibration may also determine other metrological characteristics, such as the impact of the amount of effect. Note 3. The calibration results can be recorded in a calibration certificate or calibration report. Note 4. The calibration result is often expressed as a calibration factor or set of calibration coefficients or a calibration curve. Note 5. Calibration adjustment is not included. GB/T 22133-2008/ISO 11631.1998 ......

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