List of relevant testing items of 100 inspectionsThird-party testing institutions support sample sending and door-to-door testing, mainly providing sample testing services for companies, enterprises, public institutions, individual businesses, and university scientific research, and reporting CMA/CNAS/CAL qualifications, which are true and effective.
Testing process
1, sending samples
2, checking requirements
3, targeted quotation
4, both parties determine, sign a contract, start
the experiment5, complete the experiment: the testing cycle (can be expedited) will be changed according to the sample and its testing items / methods, you can consult the engineer
6, issue a test report, and provide post-service.
Test items:Capacitor deviation, tangent value of loss angle, voltage test between terminals, internal discharge device test, AC voltage test between terminals and casing, sealing test, impulse discharge test, thermal stability test, self-healing test, mechanical test, vibration test, durability test, damage test, internal fuse isolation test, overload test, etc Applicable scope
Parallel capacitors, phase-shifting capacitors, series capacitors, coupling capacitors, circuit breaker capacitors, electric heating capacitors, pulse capacitors, DC and filter capacitors, standard capacitors, etc Related testing standards
GB/T 19749.2-2022 Coupling capacitors and capacitor voltage dividers - Part 2: Connected between lines and ground for power line carrier (PLC) DC or AC single-phase coupling capacitors
GB/T 28543-2021 Power Capacitor Noise Measurement Method
GB/T 17702-2021 Power Electronic Capacitors
GB/T 25121.3-2018 Rail Transit Rolling Stock Equipment Power Electronic Capacitors Part 3: Double Layer Capacitors
GB/T 25121.1-2018 Rail Transit Rolling Stock Equipment Power Electronic Capacitors Part 1: Paper/Plastic Film Capacitors
GB/T 25121.2-2018 Rail Transit Rolling Stock Equipment Power electronic capacitors for transportation and rolling stock equipment - Part 2: Non solid electrolyte aluminum electrolytic capacitors
GB/T 28543-2012 Power capacitor noise measurement methods
GB/T 25121-2010 Rail transit and rolling stock equipment - Power electronic capacitors
GB/T 22582-2008 Power capacitors - Low voltage power factor compensation devices
GB/T 17702.1-1999 Power electronic capacitors - Part 1; General Provisions
Precautions for Testing Reports1. No& Ldquo; Special seal for research and testing; Rdquo; Invalid official seal, invalid report without anti-counterfeiting QR code 2. The copied report was not re stamped; Ldquo; Special seal for research and testing; Rdquo; Or the official seal is invalid 3. The report is invalid without the signature of the main inspector, reviewer, or approver 4. The report is invalid if altered 5. If there are any objections to the testing report, they should be raised within 15 days from the date of receiving the report. If the report is overdue, it will not be accepted
The above article is a partial list. For more testing needs and details, please consult the online consultant of the free consulting agency: 18501763637
The third-party testing agency of Baijian provides pesticide testing, fertilizer detection, pesticide residue testing, food testing, drug testing, toxic and harmful substance testing reports, etc. Customers who require relevant testing services can leave an online message or directly contact us at 18501763637
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 problems100% inspection 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 ChinaBaijian is a comprehensive testing service platform, bringing together many CNAS, CMA, CAL and other qualification testing institutions all over the country.