The scope wooden standard specifies the technical requirements, test methods, inspection rules, and requirements for identification, packaging, transportation, and storage of dynamic recording devices in the power system. This standard is applicable to power system dynamic recording devices (hereinafter referred to as "devices") with voltage levels of 220kV and above, and serves as the basis for device design, manufacturing, inspection, and operation. Devices for power grids and power plants with voltage levels of 110kV and below can refer to this standard. The following normative references are essential for the application of this document. All referenced documents with dates are marked only! The version of Phase I is applicable to this document. For all referenced documents that do not indicate Phase I, the latest version (including all modification orders) applies to this document. GB/T 191 Packaging, Storage, and Transport Pictorial Symbols (ISO 780:1997, MOD) GB/T 2423.1-2008 Environmental Testing of Electrical and Electronic Products - Part 2: Test Methods - Test A: Low Temperature (IEC 60068-2-1:2007, IDT) GB/T 2423.2-2008 Electrical 1. Environmental Testing of Electronic Products - Part 2: Test Methods, Test B: High Temperature (IEC 60068-2-2:2007, IDT) GB/T 2423.3-2006 Electrical 1. Environmental Testing of Electronic Products - Part 2: Test Methods - Test Cab: Constant Damp Heat Method (IEC60068-2-78:2001, IDT) GB/T 2423.4-2008 Environmental Testing for Electrical and Electronic Products, Part 2: Test Methods, Test Db: Alternating Damp Heat (12h+12h Cycle) (IEC 60068-2-30:2005, IDT) GB/T 2423.10-2008 Environmental Testing for Electrical and Electronic Products, Part 2: Test Methods Test Fc: Vibration (Sine) (IEC60068-2-6:1995, IDT) GB/T 2423.22-2012 Environmental Testing: Part 2: Test Methods, Test N: Temperature Change (IEC 60068-2-14:1984, IDT)
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China