Seeking assistance with 3C product certification
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The control box of our unit needs to obtain 3C certification, which involves tests for immunity to radio frequency electromagnetic field radiation； The signal source is 3 meters away from the control box, and its frequency is 16.6 MHz. How can interference be mitigated? My email address: 202469147@qq.com. Thank you all.
The mandatory product certification system is a product conformity assessment system implemented by various countries in accordance with laws and regulations, aimed at protecting consumers’ physical safety and security as well as improving product quality management. To fulfill its commitments upon joining the WTO, our country introduced a mandatory product certification system on December 3, 2001, covering 140 types of products in 20 categories, including decorative materials, household appliances, and lighting equipment. Starting from May 1, 2002, the **Certification and Accreditation Administration began to accept certification applications for 132 products across 19 categories that were included in the mandatory product list. Including products such as automobiles, safety glass, and low-voltage electrical cabinets. The full name of China’s mandatory product certification is China Compulsory Certification, abbreviated as 3C certification.
During the disturbance immunity testing, the load line is placed in an electromagnetic clamp, to which signals at a frequency of 9 k–80 MHz are applied. The load line interacts with the applied signal as the passive signal being measured. That’s the basic situation. I understood it later on. Thank you all.