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.
Report qualification: CNAS, CMA, CAL, etc
. Presentation style: electronic
version of the testing cycle: 3-15 working days (expedited can be expedited)
Testing cost: Quotation according to customer needs and experimental complexity
Sample size: Choose to send samples or visit the door according to the sample size
This standard specifies the product classification, technical requirements, inspection methods, inspection rules, packaging, transportation, storage, marking, labeling, user manual, completeness and quality assurance of power system relays, protection and automatic devices (hereinafter referred to as products). This standard applies to the presence or absence of relays, measuring relays, protective devices, and automatic devices in the secondary circuit of power systems. For the control panels (cabinets, tables) and protection panels (cabinets, tables) used in the secondary circuit of the power system, in addition to the relays and devices that meet the relevant provisions of this standard, they should also comply with the technical standards for control panels (cabinets, tables) and protection screens (cabinets, tables). This standard only applies to new products. 2. The provisions contained in the following standards constitute the provisions of this standard by reference in this standard. At the time of publication of the standard, all versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T 2423.3-1993 Basic Environmental Testing Procedures for Electrical and Electronic Products, Test Ca: Constant Damp Heat Test Method (eqv IEC 60068-2-3:1984) GB/T 2423.41993 Basic Environmental Testing Procedures for Electrical and Electronic Products, Test Db: Alternating Damp Heat Test Method (eqv IEC 60068-2-30:1980) GB/T 2900.1-1992 Basic Terminology of Electrical Terminology (neq IEC 60050) GB/T 2900.17-1994 Electrotechnical Terminology Electrical Relays GB/T 2900.49-1994 Electrical Terminology, Power System Protection (eqv IEC 60050-448) GB 4208-1993 Degrees of Protection Provided by Enclosures (IP Marking) (eqv IEC 60529:1989)
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 ChinaTesting 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.