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 and test items for the specifications, adaptability to the environment, mechanical performance, electrical performance, anti-interference, and reliability of three-phase intelligent energy meters (hereinafter referred to as energy meters), as well as the inspection rules and operational quality management requirements for energy meters. This standard is applicable to the design, manufacturing, procurement, and acceptance of energy meters within the system of State Grid Corporation of China. 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 new version (including all modification orders) applies to this document. GB 4208-2008 Degrees of Protection Provided by Enclosures (IP Code) GB/T 13384-2008 General Technical Conditions for Packaging of Mechanical and Electrical Products GB/T 17215.211-2006 General Requirements for AC Measuring Equipment Testing and test conditions Part 11: Measurement equipment GB/T 17215.301-2007 Special requirements for multifunctional electric energy meters GB/T 17215.321-2008 Special requirements for AC power measurement equipment Part 21: Static active energy meters (levels 1 and 2) GB/T 17215.322-2008 Special requirements for AC power measurement equipment Part 22: Static active energy meters (levels 0.2S and 0.5S) GBT 17215.323-2008 Special requirements for AC power measurement equipment Part 23: Static reactive energy meters (Level 2 and Level 3) DL/T645-2007 Communication Protocol for Multifunctional Electric Energy Meters DL/T 830-2002 Guidelines for the Use of Static Single-phase AC Active Energy Meters JIG 596 Verification Regulations for Electronic Energy Meters QI/GDW 206 Technical Specification for Sampling Electric Energy Meters Q/GDW 1354-2013 Functional Specification for Intelligent Energy Meters Q/GDW 1356-2013 Type Specification for Three-phase Intelligent Energy Meters Q/GDW 1365-2013 Technical Specification for Safety Certification of Intelligent Energy Meters Signal Exchange IEC 62055-31:2005 Electricity Measurement Payment System Part 31: Special Requirements The terms and definitions defined in QGDW 1354-2013 "Functional Specification for Intelligent Energy Meters" for Static Active Payment Energy Meters (Level 1 and Level 2) are applicable to this standard. 4 Technical Requirements 4.1 Specification Requirements 4.1.1 Accuracy Level The accuracy level is divided into active 0.2S level, 0.5S level, 1 level, and reactive 2 level. 4.1.2 The standard reference voltage leg standard reference voltage is shown in Table 1. 4.1.3 The working range of the voltage of the electric energy meter is shown in Table 2
The working range of the voltage of the electric energy meter is shown in Table 2
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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
,telephone communication, confirm the demand;
2. Recommend the plan and confirm the quotation;
3. Mailing samples and arranging testing;
4. Progress tracking and result feedback;
5. Issue reports and after-sales service;
6. If it needs to be expedited, priority processing;