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JJF 1357-2012 English PDF

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JJF 1357-2012: Calibration Specification for Wet Gas Meters
Status: Valid

JJF 1357: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJF 1357-2012English629 Add to Cart 5 days [Need to translate] Calibration Specification for Wet Gas Meters Valid JJF 1357-2012
JJF 1357-1990English239 Add to Cart 2 days [Need to translate] O.T.N. for Primary Standard of Electrolytic Conductivity Obsolete JJF 1357-1990

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Standard similar to JJF 1357-2012

GB/T 36126   JJF 1368   GB/T 1885   JJF 1356.1   JJF 1355   JJF 1354   

Basic data

Standard ID JJF 1357-2012 (JJF1357-2012)
Description (Translated English) Calibration Specification for Wet Gas Meters
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A53
Classification of International Standard 17.120
Word Count Estimation 27,217
Quoted Standard JJG 633-2005; JJG 643-2003; JJF 1001; JJF 1004; OIML R137-1 & 2-2012
Regulation (derived from) AQSIQ Announcement No. 132 of 2012
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to wet gas flowmeter calibration.

JJF 1357-2012: Calibration Specification for Wet 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.
Calibration Specification for Wet Gas Meters People's Republic of China National Metrology Technical Specifications Wet gas flow meter calibration specification WetGasMeters Issued on. 2012-09-03 2012-12-03 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Wet gas flow meter calibration specification WetGasMeters Focal point. the National Technical Committee on Metering flow capacity Main drafting unit. Chongqing Institute of Metrology and Quality Inspection Beijing Institute of Metrology detection Zhejiang Institute of Metrology Participated in the drafting unit. Chongqing Sankyo benefits of new Instrument Co., Ltd. Chongqing giant hit Metering Equipment Co., Ltd. China Testing Technology Research Institute This specification by the flow capacity of the National Technical Committee responsible for the interpretation of measurement The main drafters of this specification. Liao new (Chongqing Institute of Metrology and Quality Inspection) Yangyou Tao (Beijing Institute of Metrology detection) Shen Wenxin (Zhejiang Institute of Metrology) Drafters participate. Shao Valley (Chongqing Sankyo benefits of new Instrument Co., Ltd.) Wu Mingqing (Chongqing Institute of Metrology and Quality Inspection) Fu Bin (Chongqing Juchuang metering equipment Limited) Pan Guangling (China Testing Technology Research Institute)

table of Contents

Introduction (Ⅱ) 1 Scope (1) 2. References (1) 3 terminology and units of measurement (1) 3.1 The term (1) 3.2 units of measurement (2) 4 Overview (2) 4.1 works (2) 4.2 Purpose (2) 4.3 Structure (2) 5 Metrological characteristics (3) 5.1 expanded uncertainty factor correction (3) 5.2 Indication Error expanded uncertainty (3) 6 calibration conditions (3) Environmental conditions 6.1 (3) 6.2 Main standard equipment and ancillary equipment (4) 7 calibration items and calibration methods (4) 7.1 calibration items (4) 7.2 Calibration method (4) Expression 8 calibration results (9) 9 Recalibration interval (9) Appendix A reference calibration record format (10) Appendix B calibration certificate reference (inside) format (12) Evaluation of Uncertainty Appendix C Examples (13)

Introduction

This specification with reference to the International Organization of Legal Metrology (OIML) International Recommendation OIMLR137-1 Conduct system production, use and calibration status of the meter body "(GasMeters), combined with our wet gas flowmeter Given the major technical indicators prepared with reference to the international recommendations. The terms used in this specification, except in specifically defined in this specification, are used JJF 1001 "common terminology and measurement Definition "and JJF 1004" flow measurement terminology and definitions. " According JJF 1071-2010 "national measurement calibration specifications write rules" on Article 3.1 and 3.2, this specification will be shown Error of expanded uncertainty, expanded uncertainty and correction factor correction factor as a measurement of performance as measured The main work of the calibration. This specification refers JJG643 "standard table method flow standard device" standard gas flowmeter and JJG633 "Gas volume flow meter" to work with the wet gas flowmeter calibration requirements. This specification is the first developed to use. Wet gas flow meter calibration specification

1 Scope

This instruction applies to wet gas flowmeter calibration. 2. References This specification refers to the following documents. JJG633-2005 gas volume flow meter JJG643-2003 standard table method flow standard device JJF 1001 common measurement terms and definitions JJF 1004 flow measurement terminology and definitions OIMLR137-1 For dated references, only the dated edition applies to this specification; undated reference documents Member, the latest edition (including any amendments) applies to this specification.

3 terminology and units of measurement

3.1 Terms 3.1.1 wet gas flow meter wetgasmeter Rely on the sealing liquid gas terminal will be completely isolated and out of the volume of gas flowmeter. NOTE. Depending on the characteristics of the wet gas flow meter is divided into two types. 1) wet gas flowmeter designated use. wet gas flow meter is only fixed point of use. 2) the non-fixed wet gas flow meter used. wet gas flow meter in the flow range can be used at any point in the flow. 3.1.2 drum drum Drum is wet gas flow meter movement, which is one end of the end cap to cover the hole in the middle, such as the shape of the drum Cylinder. 3.1.3 Rotary volume cyclicvolume Wet gas flow meter gas volume drum complete a work cycle adopted. 3.1.4 metering chamber measurementroom In the drum interior is divided by a spiral blades made in theory equal to the volume of the cavity. 3.1.5 blown (out) pipe blow-in (out) tube Blown (a) curved tube is a metal tube, which connects into (the) air inlet housing and the other end by a drum Hole round on the end cap into the drum, the gas is blown (a) measuring chamber. 3.1.6 correction factor correctionfactor Gas volume than the actual value and the value shown by the wet gas flow meter wet gas meter. 3.1.7 The average correction factor averagecorrectionfactor In a calibrated flow point average of multiple measurements obtained correction factor.

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