How to do the test report? Why do you need to do product inspection? Third-party testing institutions provide product testing services in various industries, and there are many cooperative laboratories across the country, mainly serving companies, enterprises, individual businesses, universities and scientific research.
Report qualification: CNAS, CMA, CAL, etc.
Testing costs: Quotation sample size according to customer needs and experimental
complexity: Choose to send samples or come to the door according to the sample size
This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality assurance period of transmission line relay protection devices (hereinafter referred to as "devices"). This standard is applicable to relay protection devices for AC transmission lines with directly grounded neutral points of 110 kV and above, serving as the basis for the development, design, manufacturing, testing, inspection, and application of such devices. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T 191 Packaging, Storage, and Transport Graphical Symbols GB/T 2423.1 Environmental Testing for Electrical and Electronic Products, Part 2: Test Methods: Test A: Low Temperature GB/T 2423.2 Environmental Testing for Electrical and Electronic Products, Part 2: Test Methods, Test B: High Temperature GB/T 2423.3 Environmental Testing for Electrical and Electronic Products - Part 2: Test Method: Test Cab: Constant Damp Heat Test GB/T 2887-2011 General Specification for Computer Sites GB/T 7261-2016 Relay Protection and Safety Automatic Devices Basic Test Methods GB/T 9361-2011 Computer Field Safety Requirements GB/T 11287-2000 Electrical Relays Part 21: Vibration, Shock Collision and Seismic Testing Part 1 Vibration Testing (Sine) GB/T 14285-2006 Technical Specification for Relay Protection and Safety Automatic Devices GB/T 14537-1993 Impact and Collision Testing of Measurement Relays and Protection Devices GB/T 14598.26-2015 Measurement Relays and Protection Devices Part 26: Electromagnetic Compatibility Requirements GB/T 14598.27-2008 Measurement Relays and Protection Devices Part 27: Product Safety Requirements GB/T 17626.8 Electromagnetic Compatibility Testing and Measurement Techniques Power Frequency Magnetic Field Immunity Test GB/T 17626.9 Electromagnetic Compatibility testing and measurement techniques Pulse magnetic field immunity test
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 Chinarole of the test report:
1. Project bidding: issue an 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: issue a test report with legal effect to make consumers more assured;
4. Papers and scientific research: provide professional personalized testing needs;
5. Judicial services: provide scientific, fair and accurate testing data;
6. Diagnosis of industrial problems: verification and correction of problems in industrial production;