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In recent years, economic development has promoted the improvement of China's scientific and technological level. With the progress and development of science and technology, communication tools have become more and more developed. At present, interphone, pager, wireless phone and other communication tools have increased sharply, forming an all-weather and all-round communication network, especially in modern enterprises, the lack of radio communication means is unimaginable. These communication tools provide convenience in leadership, command and business contact. However, the electromagnetic wave interference generated by radio communication poses a threat to the production safety and stable operation of enterprises, causing hidden dangers.
CISPR 22/EN 55022/GB 9254
CISPR 24/GB/T 17618
《Radio disturbance limits and measurement methods for information technology equipment》
《Immunity limits and measurement methods for information technology equipment》
? Electrostatic discharge immunity, contact discharge 4KV, air discharge 8Kv ? RF electric field radiation immunity, maximum test field strength 3v/m ? Electrical fast transient burst immunity, maximum test level 1kV ? Surge (impact) immunity, maximum test level 4KV ? RF conducted disturbance immunity, maximum test level 3V ? Power frequency magnetic field immunity, test field strength 1a/m ? Voltage sag, short-time interruption and voltage variation immunity, according to iec61000-4-11
? Conducted disturbance voltage, 150khz-30mhz, qp/av ? Radiation disturbance, 30mhz-1ghz, QP; 1GHZ-6GHZ，AV/PEAK
Shanghai suoshen electronics is widely used in many industries, such as medical treatment, automotive electronics, home appliances, lighting, electrical appliances, power supply, power facilities and so on
Voltage dips/sags, short interruptions are caused by failures of the power grid and power facilities or sudden large changes in loads. In some cases, there will be two or more consecutive dips or interruptions. Voltage changes are caused by continuous changes in the loads connected to the grid. If the EUT cannot respond in time to changes in the power supply voltage, it may cause malfunctions. Voltage dips generators are used to evaluate the performance of electrical and electronic equipment when subjected to voltage dips/sags, short interruptions, and voltage changes. Products fully meet the requirements of standards IEC/EN 61000-4-11 and GB/T17626.11.
The impact of lightning (indirect lightning) in nature and voltage changes caused by large switch switching in power supply lines on power supply lines and communication lines is particularly large, and the impact on products may be destructive. The lightning surge generator is used to evaluate the performance of the equipment when it is subjected to high-energy disturbance from the power line port and other signal line ports. The product meets the requirements of new standards such as iec61000-4-5 and gb/t17626.5.
In the circuit, such as from the switching transient process (cutting off inductive loads, bouncing relay contacts, etc.), it will usually interfere with other electrical and electronic equipment in the same circuit. This kind of interference is characterized by high amplitude, short rise time, high repetition rate and low energy. Clusters of narrow pulses can charge the junction capacitance of semiconductor devices, which may cause circuit or equipment errors when accumulated to a certain extent. The burst generator determines a common reproducible evaluation basis for evaluating the performance of power supply ports, signal, control and grounding ports of electrical and electronic equipment when disturbed by electrical fast transient bursts. The products meet the requirements of new standards such as iec61000-4-4, en60100-4-4 and gb/t17626.4.
Sales Hotline：400-021-6779 Switchboard：021-67727150
3255 Shengang Road, Songjiang Industrial Zone, Shanghai 2F, building 11
Silicon valley power, No. 416, Xuegang North Road, Longhua District, Shenzhen 2nd floor, building A4, Qinghu Park
No. 3, Rongjing East Street, Yizhuang Economic Development Zone, Beijing Room a1821, Lido, Rongjing
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Multifunctional Immunity Tester
Automotive ESD Generator
Radio Frequency Electromagnetic Field Radiation Immunity System
Impulse Voltage Generator
Anechoic Chamber
EMC Antenna
