General technical specifications for resistance measuring devices - Part 3: Scope of DC resistance testers - This part specifies the technical requirements, test methods, inspection rules, identification and accompanying documents, packaging, transportation and storage requirements for DC resistance testers (hereinafter referred to as DC resistance testers). This section is applicable to the production and inspection of direct resistance meters. 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 6587-2012 General Specification for Electronic Measuring Instruments GB/T 17626.2 Electromagnetic Compatibility Testing and Measurement Techniques Electrostatic Discharge Immunity Test GB/T 17626.3 Electromagnetic Compatibility Testing and Measurement Techniques, Radio Frequency Electromagnetic Field Radiation Immunity Test GB/T 17626.4 Electromagnetic Compatibility Testing and Measurement Techniques Electrical Fast Transient Pulse Group Immunity Test GB/T 17626.5 Electromagnetic Compatibility Testing and Measurement Techniques Surge (Impact) Immunity Test GB/T 17626.6 Electromagnetic Compatibility, Testing and Measurement Techniques Conducted Disturbance Induced by RF Fields Immunity GB/T 17626.8 Electromagnetic Compatibility Testing and Measurement Techniques Power Frequency Magnetic Field Immunity Test GB/T 17626.11 Electromagnetic Compatibility, Testing and Measurement Techniques, Voltage Dips, Short Interruptions, and Voltage Variations Immunity Test GB/T 18268.1 Measurement Electrical equipment for control and laboratory use, electromagnetic compatibility requirements, Part 1: General requirements GB/T 25480 Basic environmental conditions and test methods for transportation and storage of instruments and meters JJG 1052-2009 Verification regulation for circuit resistance testers and direct resistance meters
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