This standard specifies the technical requirements, testing, inspection, marking, packaging, transportation, and storage requirements for substation measurement and control devices. This standard is applicable to measurement and control devices in substations, and relevant measurement and control devices in power plants can be referred to for implementation. 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 191-2008 Packaging, Storage, and Transport Graphical Symbols GB/T 2423.1-2008 Environmental Testing for Electrical and Electronic Products Part 2: Test Methods: Test A: Low Temperature GB/T 2423.2-2008 Environmental Testing for Electrical and Electronic Products Part 2: Test B: High Temperature GB/T 2423.3-2006 Environmental Testing for Electrical and Electronic Products Part 2: Test Methods: Test Cab: Constant Temperature Method GB/T 2887-2011 General Specification for Computer Sites GB 4208-2008 Housing Protection, etc Level (IP Code) GB/T 7261-2008 Basic Test Methods for Relay Protection and Safety Automatic Devices GB/T 9361-2011 Computer Field Safety Requirements GB/T 13729-2002 Telecontrol Terminal Equipment GB/T 17215.211-2006 AC Power Measurement Equipment, General Requirements Testing and test conditions Part 11: Measurement equipment GB/T 17626.2-2006 Electromagnetic compatibility testing and measurement techniques Electrostatic discharge immunity test GB/T 17626.3-2006 Electromagnetic compatibility testing and measurement techniques Radio frequency electromagnetic field radiation immunity test GB/T 17626.4-2008 Electromagnetic compatibility testing and measurement techniques Electrical fast transient pulse group immunity test GB/T 17626.5-2008 Electromagnetic compatibility testing and measurement techniques Surge (impact) Immunity Test GB/T 17626.6-2008 Electromagnetic Compatibility Testing and Measurement Techniques Conducted Disturbance Induced by RF Fields Immunity GB/T 17626.8-2006 Electromagnetic Compatibility Testing and Measurement Techniques Power Frequency Magnetic Field Immunity Test GB/T 17626.9-2011 Electromagnetic Compatibility Testing and Measurement Techniques Pulse Magnetic Field Immunity Test GB/T 17626.10-1998 Electromagnetic Compatibility Testing and Measurement Techniques Damping Oscillation Magnetic Field Immunity Test GB/T 17626.11-2008 Electromagnetic Compatibility Testing and Measurement Techniques Measurement technology - Immunity tests for voltage dips, short interruptions, and voltage changes - Electromagnetic compatibility testing and measurement techniques - Ringing wave immunity test (GB/T 17626.12-2013)
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