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JJF 1521-2023 English PDF

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JJF 1521-2023: Program for Pattern Evaluation of Fuel Dispensers(for Trial Implementation)
Status: Valid

JJF 1521: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
JJF 1521-2023	English	1399	Add to Cart	8 days [Need to translate]	Program for Pattern Evaluation of Fuel Dispensers(for Trial Implementation)	Valid	JJF 1521-2023
JJF 1521-2015	English	RFQ	ASK	8 days [Need to translate]	Program of Pattern Evaluation of Fuel Dispensers	Obsolete	JJF 1521-2015

Standard similar to JJF 1521-2023

JJF 1033 JJF 1050 JJF 1030

Basic data

Standard ID	JJF 1521-2023 (JJF1521-2023)
Description (Translated English)	Program for Pattern Evaluation of Fuel Dispensers(for Trial Implementation)
Sector / Industry	Metrology & Measurement Industry Standard
Word Count Estimation	70,754
Date of Issue	2023-12-21
Date of Implementation	2024-05-01
Issuing agency(ies)	State Administration for Market Regulation

JJF 1521-2023: Program for Pattern Evaluation of Fuel Dispensers(for Trial Implementation)

---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.
National Metrology Technical Specifications of the People's Republic of China Fuel dispenser type evaluation outline (trial) Released on 2023-12-21 2024-05-01 Implementation The State Administration for Market Regulation issued Fuel dispenser type evaluation outline (trial) Program for Pattern Replace JJF 1521-2015 Responsible unit. National Flow Measurement Technical Committee Liquid Flow Technical Committee Drafting unit. Beijing Institute of Metrology and Testing Science Guangdong Institute of Metrology Shanghai Institute of Metrology and Testing Technology Henan Institute of Metrology and Testing Science This specification is entrusted to the Liquid Flow Technical Committee of the National Flow Measurement Technical Committee for interpretation Drafters of this specification. Teng Zijie (Beijing Institute of Metrology and Testing Science) Xu Wenbiao (Guangdong Provincial Institute of Metrology) Pan Qi (Beijing Institute of Metrology and Testing Science) Li Haiyang (Shanghai Institute of Metrology and Testing Technology) Gu Tianping (Henan Institute of Metrology and Testing Science)

Introduction (III) 1 Scope(1) 2 References(1) 3 Terminology (1) 4 Overview(2) 4.1 Application and principle (2) 4.2 Key components and their main performance indicators (3) 5 Legal management requirements (4) 5.1 Units of measurement(4) 5.2 Logo and Marking (4) 5.3 Seal (5) 5.4 Software(5) 6 Measurement requirements (5) 6.1 Flow range(5) 6.2 Maximum permissible error and repeatability (5) 6.3 Minimum measurand and its maximum permissible error and repeatability (5) 6.4 Maximum permissible error and repeatability of flow interruption (5) 6.5 Minimum volume variable (6) 6.6 Payment Amount Error (6) 7 General Technical Requirements(6) 7.1 Appearance and structure (6) 7.2 Indicator (6) 7.3 Oil and gas separation (6) 7.4 Change in hose internal volume (7) 7.5 Power-off protection and re-display (7) 7.6 Explosion-proof performance (7) 7.7 Environmental adaptability (7) 7.8 Stability (8) 8 Type Evaluation Items Table (8) 9.Provide the number of samples and how to use them (9) 9.1 Technical Documentation(9) 9.2 Number of samples provided (10) 9.3 Use of Prototype (10) 10 Test methods, test conditions, data processing and qualification criteria for test items (10) 10.1 Reference conditions (10) 10.2 Software Testing(11) 10.3 Indication error and repeatability, payment amount error test (14) 10.4 Minimum measured value indication error and repeatability test (17) 10.5 Flow interruption indication error and repeatability test (17) 10.6 Oil and gas separation test (18) 10.7 Hose internal volume change test (20) 10.8 Climate and environmental adaptability test (21) 10.9 Power supply adaptability test (23) 10.10 Electromagnetic environment adaptability test (23) 10.11 Stability test (27) 11 Table of measuring instruments and equipment used in test items (27) Appendix A Requirements for legal related software (29) Appendix B Additional requirements for preventing deceptive use (35) Appendix C Type Evaluation Record Format (36) Appendix D Software Registration and Comparison Record Format (61)

Introduction

This outline is based on JJF 1015-2014 "General Specification for Type Evaluation of Measuring Instruments" and JJF 1016-2014 "General Specification for Type Evaluation of Measuring Instruments". It is compiled in accordance with the relevant requirements of the "Guidelines for Writing Outlines for Type Evaluation of Measuring Instruments". This outline is based on GB/T 9081-2023 "Motor Vehicle Fuel Dispenser", the International Organization of Legal Metrology (OIML) otherthanwater), GB/T 42555-2023 General requirements for control software of measuring instruments, JJF 1182- 2021 "Guidelines for Measuring Instrument Software Evaluation" is the technical basis, combined with the current status of my country's fuel dispenser industry. JJF 1521-2015 "Outline for Type Evaluation of Fuel Dispensers" was revised. The maximum allowable error and repeatability requirements are consistent with GB/T 9081-2023 is equivalent to some metrological technical indicators that are higher than international recommendations. In addition to editorial changes, the main technical changes are as follows. --- Changed the requirements for anti-fraud functions of fuel dispensers; --- Added terms and definitions for software identification and legal related software; --- Changed the description of the working principle of the fuel dispenser; --- Changed the requirements for key components of fuel dispensers, their model identification, and performance index description methods; --- Added the description of applying the seal effect; --- Added fuel dispenser software management requirements; --- Changed the technical requirements for the minimum measured value of the fuel dispenser; --- Changed the technical requirements for the tanker structure; --- Changed the technical requirements for the change in volume of the hose, and added that the manufacturer should declare the maximum length of the refueling hose Requirements for length and inner diameter; --- Changed the technical requirements for power adaptability; --- Added requirements for technical documents, changed the requirements for product series, number of prototypes, and use of prototypes Requirements for use; --- Added test reference conditions; --- Added experimental methods for software testing; --- Added Appendix A "Requirements for legal related software"; --- Added Appendix B "Additional requirements for preventing deceptive use"; --- Changed Appendix C "Type Evaluation Record Format"; --- Added Appendix D "Software filing and comparison record format". The previous versions of this outline are as follows. ---JJF 1521-2015 "Outline for Type Evaluation of Fuel Dispensers"; --- JJG443-2006 "Fuel Dispenser" Appendix A; ---JJF 1060-1999 Outline for the Finalization and Appraisal of Tax Controlled Fuel Dispensers. Fuel dispenser type evaluation outline (trial)

1 Scope

This outline applies to fuel dispensers with classification code 12140500 and maximum flow rate not exceeding.200L/min. Type evaluation.

2 References

This outline references the following documents. JJF 1001 General metrological terms and definitions JJF 1004 Flow measurement terms and definitions JJF 1051 Nomenclature and classification coding of measuring instruments JJF 1182-2021 Measurement Instrument Software Evaluation Guide GB/T 2423.1-2008 Environmental testing for electric and electronic products Part 2.Test methods Test A. Low temperature GB/T 2423.2-2008 Environmental testing for electric and electronic products Part 2.Test methods Test B. high temperature GB/T 2423.4-2008 Environmental testing for electric and electronic products Part 2.Test methods Test Db. Alternating damp heat (12h 12h cycle) GB/T 9081-2023 Motor vehicle fuel dispenser GB/T 17626.2-2018 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test GB/T 17626.3-2016 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test GB/T 17626.4-2018 Electromagnetic compatibility test and measurement technology Electrical fast transient pulse group immunity test GB/T 17626.5-2019 Electromagnetic compatibility test and measurement technology surge (impact) immunity test GB/T 17626.11-2023 Electromagnetic compatibility test and measurement technology Part 11.For each phase input Voltage sag, short interruption and voltage variation immunity test for equipment with current less than or equal to 16A GB/T 42555-2023 General requirements for measuring instrument control software For any dated reference, only the dated version applies to this outline; for any undated reference, The latest version of the document (including all amendments) applies to this syllabus.

3 Terminology

The following terms and definitions apply to this syllabus. 3.1 Fuel dispenser A dynamic measurement system of liquid volume used to refuel a vehicle. A component that converts the continuous flow of fuel into mechanical rotation and transmits it to the encoder.

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