GB/T 44932-2024 Testing equipment for DC electrical energy meters

GB/T 2900.77-2008 Electrotechnical terminology—Electrical and electronic measurements and measuring instruments—Part 1:General terms relating to measurements GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB 4824-2019 Industrial,scientific and medical equipment—Radio-frequency disturbance characteristics—Limits and methods of measurement GB/T 5169.11-1997 Fire hazard testing for electric and electronic products—Test methods—Glow-wire end-product test and guidance GB/T 5169.11-2006 Fire hazard testing for electric and electronic products—Part 11:Glowing/hot-wire based test methods—Glow-wire flammability test method for end-products 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 13384-1992 General specifications for packagings of mechanical and electrical products GB/T 13384-2008 General specifications for packing of mechanical and electrical product GB/T 16935.1-2023 Insulation coordination for equipment within low-voltage supply systems—Part 1:Principles, requirements and tests GB/T 17626.2-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 42125.1-2024 Safety requirements for electrical equipment for measurement,control and laboratory use—Part 1:General requirements JJF 1662-2017 Calibration Specification for Clock Testers