This standard specifies the terminology, product classification, requirements, test methods, inspection rules, marking, packaging, transportation, storage, and accompanying documents of digital multimeter calibrators (hereinafter referred to as calibrators). This standard applies to various calibration instruments and devices for the purpose of calibrating digital multimeters. 2 Normative References The following documents 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 1002 Types, Basic Parameters, and Dimensions of Single-phase Plugs and Sockets for Household and Similar Purposes GB/T 6587-2012 General Specification for Electronic Measuring Instruments GB/T 6592 Performance Representation of Electrical and Electronic Measuring Equipment GB/T 11463 Reliability Testing of Electronic Measuring Instruments GB/T 11464 Terminology of Electronic Measuring Instruments SJ/T 10463 Packaging, Marking, and Storage Requirements for Electronic Measuring Instruments
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