Scope
This standard specifies the product classification, requirements, test methods, inspection rules, packaging, marking, certificate of conformity, transportation, and storage of physically foamed polyethylene insulated corrugated copper tube outer conductor coupled leakage coaxial cables This standard is applicable to coupled leaky coaxial cables with a structure of physically foamed polyolefin insulated, corrugated copper tube outer conductor and continuous milling of holes on it, with a working frequency range of 100-3 550MHz
Normative references (partial)
The following documents are essential for the application of this document.
. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this documentGB/T 228-2010 Metallic Materials Room Temperature Tensile Testing Methods
GB/T 2951.11-2008 General Test Methods for Insulation and Sheath Materials of Electric and Optical Cables: Part 11: General Test Methods - Measurement of Thickness and Boundary Dimensions - Mechanical Performance Testing (IEC)
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