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JJG 443-2023 English PDF

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JJG 443-2023: Fuel Dispensers (for Trial Implementation)
Status: Valid

JJG 443: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 443-2023English439 Add to Cart 4 days [Need to translate] Fuel Dispensers (for Trial Implementation) Valid JJG 443-2023
JJG 443-2015English799 Add to Cart 4 days [Need to translate] Verification Regulation of Fuel Dispensers Obsolete JJG 443-2015
JJG 443-2006EnglishRFQ ASK 9 days [Need to translate] Verification Regulation of Fuel Dispensers Obsolete JJG 443-2006
JJG 443-1998EnglishRFQ ASK 11 days [Need to translate] Verification Regulation of Fuel Dispensers Obsolete JJG 443-1998
JJG 443-1986EnglishRFQ ASK 3 days [Need to translate] Metering Fuel Dispenser Obsolete JJG 443-1986

Standard similar to JJG 443-2023

JJG 134   JJG 249   JJG 444   

Basic data

Standard ID JJG 443-2023 (JJG443-2023)
Description (Translated English) Fuel Dispensers (for Trial Implementation)
Sector / Industry Metrology & Measurement Industry Standard
Word Count Estimation 22,285
Date of Issue 2023-12-21
Date of Implementation 2024-05-01
Issuing agency(ies) State Administration for Market Regulation

JJG 443-2023: 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 Verification Regulations of the People's Republic of China Fuel dispenser (trial) Released on 2023-12-21 2024-05-01 Implementation The State Administration for Market Regulation issued Fuel dispenser verification regulations (trial implementation) Replaces JJG 443-2015 Responsible unit. National Flow Measurement Technical Committee Liquid Flow Technical Committee Drafting unit. Beijing Institute of Metrology and Testing Science Beijing Chaoyang District Metrology and Testing Institute Chongqing Metrology and Quality Inspection Institute Hubei Institute of Metrology and Testing Technology This regulation is entrusted to the Liquid Flow Technical Committee of the National Flow Measurement Technical Committee for interpretation Drafters of this Regulation. Yang Jing (Beijing Institute of Metrology and Testing Science) Yang Jingrong (Beijing Chaoyang District Metrology and Testing Institute) Li Chen (Beijing Institute of Metrology and Testing Science) Liu Yahui (Chongqing Institute of Metrology and Quality Inspection) You Jianjun (Hubei Institute of Metrology and Testing Technology)

Table of contents

Introduction (II) 1 Scope(1) 2 References(1) 3 Terminology and units of measurement (1) 3.1 Terminology (1) 3.2 Units of measurement (2) 4 Overview(2) 4.1 Construction (2) 4.2 Working Principle (2) 4.3 Application (3) 5 Metrological performance requirements (3) 5.1 Maximum permissible error (3) 5.2 Repeatability (3) 5.3 Payment Amount Error(3) 6 General technical requirements (3) 6.1 Nameplate marking and structural type (3) 6.2 Software Identification(4) 6.3 Self-locking function (4) 7 Measuring instrument control (5) 7.1 Verification conditions (5) 7.2 Verification Items (6) 7.3 Verification methods (6) 7.4 Calculation formula (8) 7.5 Data processing(9) 7.6 Processing of test results (9) 7.7 Verification cycle (10) Appendix A Reference format for the inner pages of the verification certificate/verification result notification (11) Appendix B Verification Record Reference Format (12)

Introduction

JJF1001-2011 "General metrological terms and definitions", JJF1002-2010 "National metrological verification procedures The JJF1059.1-2012 “Evaluation and Expression of Uncertainty in Measurement” together constitute the basis for the revision of this regulation. This regulation refers to OIMLR117.2019 "Non-aqueous Liquids" issued by the International Organization of Legal Metrology (OIML). The relevant contents of GB/T 9081-2023 "Motor Vehicle Fuel Dispenser" are combined with the measurement technical requirements of my country's fuel The actual use of oil dispensers, the current status of the industry, the revision of JJG 443-2015, the main measurement technical indicators Compared with JJG 443-2015, this regulation has the following major technical changes, in addition to editorial revisions. --- Added indicator device, minimum volume variable, software identification, legal related software part, cycle stability etc. terms and definitions; --- Changed the terms and definition; --- Changed the description of the working principle of the fuel dispenser; --- Changed the nameplate requirements; --- Increased the requirements for random files; --- Increased structural type requirements; --- Changed the requirements for indicating devices; --- Deleted the requirement to display digital altitude in indicating devices; --- Added requirements for fuel dispenser software identification; --- Changed the inspection method of the self-locking function; ---Added encoder requirements; --- Deleted the requirements for atmospheric pressure, power supply voltage and power supply frequency under the verification conditions; --- Increased safety protection requirements; --- Changed the requirements for flow points and number of measurements for initial and subsequent verification; --- Added the requirements for adjusting the indication error; --- Deleted Appendix C and adjusted the content of automatic calibration device to the main text. The previous versions of this regulation are as follows. ---JJG 443-2015; ---JJG 443-2006; ---JJG 443-1998; ---JJG 443-1986. Fuel dispenser verification regulations (trial implementation)

1 Scope

This regulation applies to the initial verification, subsequent verification and use of fuel dispensers with a maximum flow rate not exceeding.200L/min. Check during use.

2 References

This specification refers to the following documents. JJG 259 Standard Metal Measuring Instrument JJF1001 General metrological terms and definitions JJF1004 Flow measurement terms and definitions JJF1521 Fuel dispenser type evaluation outline (trial) GB/T 9081-2023 Motor vehicle fuel dispenser uidsotherthanwater) For any referenced document with a date, only the version with the date is applicable to this Regulation; for any referenced document without a date, The latest version (including all amendments) shall apply to this regulation.

3 Terminology and units of measurement

3.1 Terminology The following terms and definitions apply to this practice. 3.1.1 Fuel dispenser A dynamic measurement system of liquid volume used to refuel a vehicle. 3.1.2 Self-locking function When the pulse equivalent or refueling amount of the fuel dispenser is abnormal, the fuel dispenser will automatically lock and cannot refuel. A component that converts the continuous flow of fuel into mechanical rotation and transmits it to the encoder. 3.1.4 Encoder Converts the mechanical rotation of the flow measurement transducer into a pulse signal or digital signal and transmits it to the control mainboard part. Receive the pulse signal or digital signal transmitted by the encoder, generate refueling data according to the legal measurement control requirements, and The control microprocessor transmits the data to the indicating device for display, and has the functions of data communication, processing, storage, control, etc. 3.1.6 indicating device A component that is solely controlled by a monitoring microprocessor and can continuously display refueling data.

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