
Testing standard:
GB/T 5654-2007 Measurement of relative permittivity, dielectric loss factor, and DC resistivity of liquid insulation materials
Replace GB/T 5654-1985
Scope of application:
This standard is equivalent to IEC 60247:2004, which specifies the measurement method of dielectric loss factor, relative permittivity, and DC resistivity of liquid insulation materials at test temperature p>
Reference standards:
GB/T 1409-2006, GB/T 1410-2006, GB/T 21216-2007, IEC 60475
CCS classification:
K15 electrician - electrical materials and general parts - electrical insulation materials and their products
ICS classification:
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