Scope
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, and storage of desktop microcomputer chassis. This standard is applicable to the design, manufacturing, and sales of desktop microcomputer chassis (commonly known as computer chassis)
Normative reference documents
The clauses in the following documents become the clauses of this standard through reference.
. For dated references, All subsequent modification orders (excluding corrected content> or revised versions) do not apply to this standard. However, all parties who have reached agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard.GB/T 191 Packaging, Storage, and Transportation Pictorial Symbols (GB/T191-2008, ISO 780; 1997, MOD)
GB/T 2423.1-2008 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods, Test A: Low Temperature (IEC 60068-2-1:2007, IDT)
GB/T 2423.2-2008 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods, Test B: High Temperature (IEC 60068-2-2:2007, IDT)
GB/T 2828.1-2003 Sampling Procedures for Inspection by Attributes - Part 1: Sampling Plan for Batch Inspection Retrieved by Acceptance Quality Limit (AQL) (ISO)
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