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JJF 1245.2-2019 English PDF

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Q: Should I purchase the latest version JJF 1245.2-2019?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1245.2-2019 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

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JJF 1245.2-2019: Program of Pattern Evaluation of Fixed AC Electricity Meters--Software Requirements
Status: Valid

JJF 1245.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JJF 1245.2-2019	689	Add to Cart	6 days	Program of Pattern Evaluation of Fixed AC Electricity Meters--Software Requirements	Valid
JJF 1245.2-2010	959	Add to Cart	5 days	Program of pattern evaluation of electricity meters. Particular requirements. Electromechanical meters for active energy(Classes 0.5, 1 and 2)	Obsolete

Similar standards

JJF 1234 JJF 1187 JJG 376 JJF 1245.3 JJF 1245.4 JJF 1245.1

Basic data

Standard ID: JJF 1245.2-2019 (JJF1245.2-2019)
Description (Translated English): Program of Pattern Evaluation of Fixed AC Electricity Meters--Software Requirements
Sector / Industry: Metrology & Measurement Industry Standard
Classification of Chinese Standard: A55
Classification of International Standard: 17.220
Word Count Estimation: 30,367
Date of Issue: 2019
Date of Implementation: 2020-03-31
Issuing agency(ies): State Administration for Market Regulation

JJF 1245.2-2019: Program of Pattern Evaluation of Fixed AC Electricity Meters--Software Requirements

---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.
Program of Pattern Evaluation of Fixed AC Electricity Meters--Software Requirements National Measurement Technical Specification of the People's Republic of China Outline of Type Evaluation of Installed AC Energy Meter Software requirements Published on December 31,.2019 2020-03-31 Implementation Issued by the State Administration of Market Supervision and Administration Type evaluation of installed AC electric energy meter Outline software requirements Partial replacement JJF 1245.1 ~ 6-2010 Centralized unit. National Electromagnetic Measurement Technical Committee Main drafting unit. China Electric Power Research Institute Zhejiang Academy of Metrology This specification entrusts the National Electromagnetic Measurement Technical Committee to interpret The main drafters of this specification. Gao Bo (China Electric Power Research Institute) Duan Xiaomeng (China Electric Power Research Institute) Peng Xiaoxiao (Zhejiang Institute of Metrology) Participating drafters. Luo Ranran (China Electric Power Research Institute) Zheng Jianzhong (Zhejiang Institute of Metrology) Hongyu Zhang (Zhejiang Institute of Metrology) Zhu Zhongwen (Zhejiang Institute of Metrology)

Introduction (Ⅱ) 1 Scope (1) 2 References (1) 3 Terminology (1) 4 Overview (2) 4.1 Purpose and principle (2) 4.2 Functional division (2) 5 Legal management requirements (3) 5.1 General requirements (3) 5.2 Software identification (3) 5.3 Software protection (4) 5.4 Parameter protection (4) 6 Metrology and technical requirements (4) 6.1 Separation of meters and sub-components (4) 6.2 Separation of software parts (5) 6.3 Data storage, data transmission through communication system (5) 6.4 Maintenance and upgrade (6) 6.5 Event record detection (8) 6.6 Software filing and comparison (8) 7 Type evaluation item list (8) 8 Technical data and test prototypes to be submitted by the applicant (8) 9 Type evaluation conditions and methods (9) 9.1 Selection of type evaluation method (9) 9.2 Software type evaluation items (10) 10 Type evaluation record format (18) Appendix A List of Test Items (19) Appendix B Type Evaluation Record Format (20) Appendix C Software Recording and Comparison Record Format (23)

Introduction

"Type Evaluation Outline of Installed AC Watt-hour Meter" refers to international recommendations OIMLR46-1/-2..2012 and GB/T 17215 series of national standards, and in accordance with JJF 1016-2014 "Outline of Type Appraisal Outline of Measuring Instruments" Prepared by the requirements of "Guide to Writing." Contains the following 5 parts. --- JJF 1245.1-2019 "Type Evaluation Outline of Installed AC Energy Meter Active Energy Meter" --- JJF 1245.2-2019 "Software Requirements for Type Evaluation Outline of Installed AC Energy Meter"; --- JJF 1245.3-2019 "Reactive Reactive Energy Meter for Type Evaluation Outline of Installed AC Energy Meter"; --- JJF 1245.4-2019 "Special Requirements and Safety Requirements for Type Evaluation Outline of Installed AC Energy Meters"; --- JJF 1245.5-2019 "Functional Requirements for Type Evaluation Outline of Installed AC Energy Meter". When using the "Type Evaluation Outline of Installed AC Watt-hour Meter" for the type evaluation test of the AC Watt-hour meter, the According to the characteristics of the energy meter, select the corresponding part of the outline. This series outline replaces the original series outline JJF 1245.1 ~ 6-2010, compared with JJF 1245.1 ~ 6-2010, The main changes are as follows. --- Adopt a new frame structure. no longer use general requirements-special requirements structure. With international recommendations OIML R46-1/-2..2012 is the main part, adding relevant content of GB/T 17215 series of national standards. JJF 1245.1-2019 And JJF 1245.2-2019 basically covers the content of OIMLR46-1/-2..2012; JJF 1245.3-2019 According to the content of reactive energy meter measurement and technical requirements in the national standard, it is compiled according to the architecture of JJF 1245.1-2019 Write; JJF 1245.4-2019 according to JJF 1245.1-2019 and JJF 1245.3-2019 not covered but national standards Contains the content preparation of measurement and technical requirements and safety-related requirements; JJF 1245.5-2019 in JJF Revised on the basis of 1245.6-2010. --- Added software requirements. JJF 1245.2-2019 refers to international recommendations OIMLR46-1/-2..2012 The content of the quantitative performance protection chapter, combined with the technical characteristics and management requirements of my country's electric energy meter, proposes software requirements for the electric energy meter Seeking, and give the verification method. --- Added and revised measurement and technical requirements. increased durability, higher harmonics, differential mode current interference, electricity Rapid changes in current, ringing wave and other items, modified voltage and current harmonics, constant magnetic field, radio frequency electromagnetic field radiation, electricity Pressure drop and short-term interruption, vibration, sunlight radiation protection, waterproof and other test items. The previous releases of this series of outlines are. JJF 1245.1-2010 "General Requirements for Type Evaluation Outline of Installed Energy Meter" JJF 1245.2-2010 "Specification Requirements for Type Evaluation Outline of Installed Watt-hour Meter" Electromechanical Active Watt-hour Meter (Level 0.5, 1 and 2) JJF 1245.3-2010 "Specification Requirements for Type Evaluation Outline of Installed Watt-hour Meter" Static Active Watt-hour Meter (0.2S, 0.5S, level 1 and 2)》 JJF 1245.4-2010 "Specification Requirements for Type Evaluation Outline of Installed Watt-hour Meter" Electromechanical Reactive Watt-hour Meter (Levels 2 and 3) JJF 1245.5-2010 "Specification Requirements for Type Evaluation Outline of Installed Watt-hour Meter" Static Reactive Watt-hour Meter (Levels 2 and 3) JJF 1245.6-2010 "Special Requirements for Installed Energy Meter Type Evaluation Outline Functional Energy Meter" Special instructions for this specification. This specification refers to OIMLR46-1/-2..2012, OIMLR46-3..2013, WELMEC7.2. Based on the contents of.2019 and JJF 1182-2007. Outline of Type Evaluation of Installed AC Energy Meter Software requirements

1 Scope

This specification applies to single and three-phase active energy meters with a frequency of 50Hz or 60Hz (hereinafter referred to as instruments) Type evaluation of the software part. This specification does not apply to instruments whose nominal voltage exceeds 600V (multiphase instruments are line-to-neutral voltage) Instrument connected to electronic transformer (GB/T 20840.8-2007), used to connect low-voltage current sensor (IEC 61869-10..2018) data interface for meters, portable meters, standard electric energy meters and meter registers.

2 Reference documents

This specification refers to the following documents. JJF 1001 General Measurement Terms and Definitions JJF 1182-2007 Measurement Software Evaluation Guide JJF 1245.1-2019 installation type AC energy meter type evaluation outline active energy meter JJF 1245.3-2019 type-installed AC energy meter type evaluation outline reactive energy meter JJF 1245.5-2019 Functional Requirements for Type Evaluation Outline of Installed AC Energy Meter GB/T 20840.8-2007 Transformers Part 8.Electronic current transformers OIMLR46-1/-2..2012 Active Energy Meter Part 1.Measurement and Technical Requirements Part 2.Meter Quantity control and performance test (Activeelectricalenergymeters.Part 1.Metrologicalandtechnical requirementsPart 2.Metrologicalcontrolsandperformancetests) OIMLR46-3..2013 Active energy meter Part 3.Test report format (Activeelectricalen- ergymeters.Part 3.Testreportformat) IEC 61869-10..2018 Instrument transformers Part 10.Additional requirements for low power passive current transformers Seeking (Instrumenttransformers–Part 10.Additional requirements for low-powerpassive currenttransformers) WELMEC7.2..2019 Software Guide (EU Measuring Instruments Directive) (SoftwareGuide (MeasuringInstrumentsDirective2014/32/EU)) For dated reference documents, only the dated version applies to this specification; for those without date references The latest version (including all amendments) is applicable to this specification.

3 Terminology

JJF 1245.1-2019, JJF 1245.3-2019, JJF 1245.5-2019, JJF 1001, JJF 1182- The relevant definitions in.2007 and the following terms and definitions apply to this specification. 3.1 Device-specification parameter ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJF 1245.2-2019_English be delivered?

Answer: Upon your order, we will start to translate JJF 1245.2-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of JJF 1245.2-2019_English with my colleagues?

Answer: Yes. The purchased PDF of JJF 1245.2-2019_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version JJF 1245.2-2019?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJF 1245.2-2019 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.