What are the testing items for cables: 1. DC resistance of cable conductors. 2. Insulation resistance. 3. Absorption ratio. 4. Polarization index. 5. Tangent value of dielectric loss angle. 6. Power frequency withstand voltage test voltage. 7. Leakage current. 8. DC resistance tester. 9. AC impedance measuring instrument. 10. Grounding resistance tester. 11. Compression strength tester. 12. Method for determining the dielectric strength of insulating oil. 13. Partial discharge monitoring. 14. Cable fault location system. 15. High voltage live cleaning machine. 16. Low voltage live cleaning machine. 17. Oil filled cable fault locator. 18. High voltage electroscope. 19. High voltage drop type fuse. 20. Power line protection devices and secondary equipment. 21. Electrical safety equipment. 22. Lightning arrester. 23. Lightning protection down conductors and grounding wires. 24. Lightning rod. 25. Conductors and connecting wires. 26. Overhead bare conductors. 27. Underground metal and plastic pipes. 28. Steel strand. 29. Copper aluminum busbar. 30. Electric wires. 31. Mechanical and physical properties of bare aluminum stranded wire
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