Standard 1: GB 4343-1995 "Measurement Methods and Permissible Values for Radio Interference Characteristics of Electric and Heating Appliances, Electric Tools, and Similar Electrical Appliances for Household and Similar Purposes". This standard was issued on August 25, 1995 and came into effect on December 1, 1996. 2. GB4343.2-1999 "Electromagnetic Compatibility - Requirements for Household Appliances, Electric Tools, and Similar Appliances - Part 2: Immunity" was issued on March 23, 1999 and implemented on April 1, 2000. 3. GB 17625.1-2003 "Limits for Harmonic Current Emitted by Low Voltage Electrical and Electronic Equipment (Equipment with a Current of £ 16A per Phase)" was issued on February 9, 2003 and implemented on May 1, 2003. Replace GB 17625.1-1998. The EMC inspection items for the EMC certification of household appliance products in the project include two aspects: electromagnetic emission (EMI) and electromagnetic immunity (EMS): EMI inspection items ① Conducted (CE) (150kHz to 30MHz); ② Intermittent interference voltage (clicking sound) (150kHz, 500kHz, 1.4 MHz, and 30MHz); ③ Interference power (30MHz -300MHz) ④. Inspection items for flickering FlickerEMS of harmonic current (2-40 harmonics) ① Electrostatic discharge immunity; ② Radiated electromagnetic field (80MHz -1000 MHz) immunity; ③ Electrical fast transient/burst immunity; ④ Surge (lightning) immunity; ⑤ Injection current (150kHz -230MHz) immunity; ⑥ Voltage dips and short-term interruptions immunity
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