JJF 1779-2019 Active National Metrology Technical Specifications JJF

JJF 1779-2019 Program of Pattern Evaluation of Electricity Meters for Direct Current Energy

JJF 1779-2019 Program of Pattern Evaluation of Electricity Meters for Direct Current Energy

Publish Date: 2019-12-31 Implement Date: 2020-03-31 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJF 1779-2019
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: -
ICS Name: -
Publish Date: 2019-12-31
Implement Date: 2020-03-31
Pages: 84 pages

Scope

This outline is applicable to the type evaluation of 0.2-grade, 0.5-grade, 1-grade, and 2-grade electronic (stationary) DC energy meters with measurement instrument classification code 15262500.
This outline is not applicable to the following situations:
——Electronic DC energy meters with a reference voltage exceeding 1,000 V;
——Standard DC energy meters;
——Vehicle-mounted electronic DC energy meters.

Development Information

Word Count: 158 Thousand words Pages: 84 pages

Referenced Standards

JJG 842-2017 Electronic Meters for Measuring Direct-current Electrical Energy GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB/T 2423.4-2008 Environmental testing for electric and electronic products—Part 2:Test method—Test Db:Damp heat,cyclic(12 h+12 h cycle) GB/T 2423.5-2019 Environmental testing—Part 2:Test methods—Test Ea and guidance:Shock GB/T 2423.10-2008 Environmental testing for electric and electronic products—Part 2:Tests methods Test Fc:Vibration(sinusoidal) GB/T 2423.24-2013 Enviromental testing—Part 2:Test methods—Test Sa:Simulated solar radiation at ground level and guidance for solar radiation testing GB/T 2423.55-2006 Environmental testing for electric and electronic products—Part 2:Test methods—Test Eh:Hammer tests GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB/T 5169.11-2017 Fire hazard testing for electric and electronic products—Part 11:Glowing/hot-wire based test methods—Glow-wire flammability test method for end-products(GWEPT) GB/T 16935.1-2008 Insulation coordination for equipment within low-voltage systems—Part 1:Principles,requirements and tests GB/T 17626.2-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.3-2019 GB/T 17626.4-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrical fast transient/burstimmunity test GB/T 17626.5-2019 Electromagnetic compatibility—Testing and measurement techniques—Surge immunity test GB/T 17626.6-2017 Electromagnetic compatibility—Testing and measurement techniques—Immunity to conducted disturbances,induced by radio-frequency fields GB/T 17626.11-2008 Electromagnetic compatibility—Testing and measurement techniques—Voltage dips,short interruptions and voltage variations immunity tests GB/T 17626.29-2006 Electromagnetic compatibility—Testing and measurement techniques—Voltage dips, short interruptions and voltage variations on d.c .input power port immunity tests GB/T 17627.1-1998 High-voltage test techniques for low-voltage equipment—Part 1:Definitions,test and procedure requirements GB/T 33708-2017 Static meter for direct current energy IEC 61010-1:2010

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