Guidelines for the use of insulators for overhead lines with a nominal voltage greater than 1000V - Part 1: Ceramic or glass insulators for AC systems - Scope 1: This standard specifies the general technical requirements, selection principles, inspection rules, acceptance, packaging and transportation, installation and operation maintenance, and operational performance inspection of insulators for AC overhead lines with a nominal voltage greater than 100V. This standard is applicable to disc suspension porcelain and glass insulators (hereinafter referred to as insulators) for AC overhead power lines, power plants, and substations with a nominal voltage above 1000V and a frequency of 50Hz. The elevation of the installation site is below 1000m, and the ambient temperature is between -40 ℃ -+40 ℃
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