Testing standards:
GB 14048.6, Low voltage switchgear and control equipment, Part 4-2: Contactors and motor starters, AC semiconductor motor controllers and starters (including soft starters) (GB 14048.6-2008, IEC 60947-4-2; 2002, IDT)
GB 14048.9, Low voltage switchgear and control equipment, Part 6-2: Multifunctional electrical appliances (equipment) Control and protection Switching appliances (equipment) (CPS) (GB 14048.9-2008, IEC 60947-6-2:2007, IDT) GB/T 14048.12: Low Voltage Switchgear and Control Equipment - Part 4-3; Contactors and motor starters - AC semiconductor controllers and contactors for non motor loads (GB/T 14048.12-2006, IEC 60947-4-3:1999, IDT) GB/T 17626.2 Electromagnetic compatibility, testing and measurement techniques, electrostatic discharge immunity tests (GB/T 17626.2-2006, IEC61000-4-2:2001, IDT) GB/T 17626.3 Electromagnetic compatibility, testing and measurement techniques, RF electromagnetic field radiation immunity tests (GB/T 17626.3-2006, IEC 61000-4-3:2002, IDT) GB/T 17626.4-2008 Electromagnetic Compatibility, Testing and Measurement Techniques, Electrical Fast Transient Burst Immunity Test (IEC 61000-4-4:2004, IDT) GB/T 17626.5-2008 Electromagnetic Compatibility Testing and Measurement Techniques, Surge (Impact) Immunity Test (IEC 61000-4-5; 2005, IDT) GB/T 17626.6 Electromagnetic Compatibility, Testing and Measurement Techniques, Conducted Disturbance Immunity Induced by RF Fields (GB/T 17626,6-2008, IEC 61000-4-6: 2006, IDT) GB/T 17626.11 Electromagnetic Compatibility, Testing and Measurement Techniques, Voltage Dips, Short Interruptions, and Voltage Variations Immunity Tests (GB/T 17626.11-2008, IEC 61000-4-11:2004, IDT) GB/T 17626.13 Electromagnetic Compatibility Testing and Measurement Techniques AC Power Port Harmonics Low frequency immunity test for harmonic waves and power grid signals (GB/T 17626.13-2006, IEC 61000-4-13; 2002, IDT) IEC 60417-DB Graphical symbols for use on equipment IEC 60947-4-1:2012 Low voltage switchgear and control equipment, Part 4-1: Contactors and motor starters, electromechanical contactors and motor starters (Low voltage switchgear and control gear - Part 4-1: Contacts and motor starts ers - Electrical contacts and motor starts)
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