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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Electricity metering data exchange—The DLMS/COSEM suite—Part 82: Mesh communication profile for neighbourhood networks
Standard published on 26.10.2024
Selected format:Electricity metering data exchange—The DLMS/COSEM suite—Part 86: High speed PLC ISO/IEC 12139-1 profile for neighbourhood networks
Standard published on 29.9.2024
Selected format:Electricity metering data exchange—The DLMS/COSEM suite—Part 91: Communication profile using web-services to access a DLMS/COSEM server via a COSEM Access Service (CAS)
Standard published on 31.12.2021
Selected format:Electricity metering data exchange—The DLMS/COSEM suite—Part 97: Communication profile for TCP-UDP/IP networks
Standard published on 28.12.2018
Selected format:Electricity metering equipment AC—Acceptance inspection—Part 11: General acceptance inspection methods
Standard published on 29.12.2017
Selected format:Electricity metering equipment (AC)—Acceptance inspection—Part 21: Particular requirements for electromechanical meters for active energy (classes 0.5, 1 and 2)
Standard published on 29.12.2017
Selected format:Electricity metering equipment (AC)—Acceptance inspection—Part 31: Particular requirements for static meters for active energy (classes 0.2 S, 0.5 S, 1 and 2)
Standard published on 29.12.2017
Selected format:Electricity metering equipment—Dependability—Part 11:General concepts
Standard published on 29.7.2011
Selected format:Electricity metering equipment—Dependability—Part 21:Collection of meter dependabity data from the field
Standard published on 31.12.2012
Selected format:Electricity metering equipment—Dependability—Part 311:Accelerated reliability testing—Elevated temperature and humidity
Standard published on 29.12.2017
Selected format:Latest update: 2026-08-28 (Number of items: 2 298 625)
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