This standard specifies the technical requirements, packaging, transportation, and storage of the merged unit. This standard applies to the design, production, and application of merged units or equipment with merged unit functions. The following normative references are essential for the application of this document. For dated references, only the version with the date indicated applies to this document; For undated references, Its latest version (Including all modification orders) Applicable to this document. GB/T 191-2008 Packaging, Storage and Transportation 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 Basic Environmental Testing Regulations for Electrical and Electronic Products - Part 2: Test Methods - Test Cb: Constant Damp Heat Test Method for Equipment GB/T 2423.4-2008 Basic Environmental Testing Procedures for Electrical and Electronic Products Part 2: Test Methods Test Db: Alternating Humidity Heat Test Method GB/T 2887-2000 General Specification for Electronic Computer Sites GB/T 4208-2008 Degrees of Protection Provided by Enclosures (IP Code) GB/T 7261-2008 Basic Test Methods for Relays and Devices GB/T 9361-2000 Safety Requirements for Computing Station Sites GB/T 13729-2002 Telecontrol Terminal Equipment GB 14598.27-2008 Measurement Relays and Protection Devices Part 27: Product Safety Requirements 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 Burst Immunity Test GB/T 17626.5-2008 Electromagnetic Compatibility, Testing and Measurement Techniques, Surge (Impulse) Immunity Test GB/T 17626.6-2008 Electromagnetic Compatibility, Testing and Measurement Techniques, Conducted Disturbance Induced by RF Fields Immunity Test GB/T 17626.8-2006 Electromagnetic Compatibility ■ Testing and Measurement Techniques Power Frequency Magnetic Field Immunity Test GB/T 17626.9-1998 Electromagnetic Compatibility Testing and Measurement Techniques Pulse Magnetic Field Immunity Test GB/T 17626.10-1998 Electromagnetic Compatibility Testing and Measurement Techniques: Damping Oscillating Magnetic Field Immunity Test GB/T 17626.11-2008 Electromagnetic Compatibility Testing and Measurement Techniques: Voltage Dips, Short Interruptions, and Voltage Variations Immunity Testing GB/T 17626.12-1998 Electromagnetic Compatibility Testing and Measurement Techniques, Oscillation Wave Immunity Testing GB/T 18657.1-2002 Telecontrol Equipment and Systems Part 5: Transmission Protocol Part 1: Transmission Frame Format
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