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电磁屏蔽机柜是利用金属屏蔽材料并采用严格的加工方法,降低或屏蔽电子设备电磁泄漏、辐射、发射,减弱传导发射的电磁场强,在此基础上利用电磁屏蔽检测设备检测屏蔽效能,有效地降低涉密设备电磁泄漏发射风险,对于解决政府部门、企事业单位特别是涉密部门的网络设备的使用安全提供了可靠的基础保障。本文介绍了电磁泄露材料特性、电磁屏蔽机柜防护原理,同时提出屏蔽效能检测、金属插入检测、温湿度检测和数码显示等技术在电磁屏蔽机柜的应用。
Electromagnetic shielding cabinet is the use of metal shielding materials and the use of strict processing methods to reduce or shield the electromagnetic leakage of electronic equipment, radiation, launch, weakening the transmission of electromagnetic field strength, based on the use of electromagnetic shielding testing equipment to detect shielding effectiveness, effectively reducing The risk of electromagnetic leakage of classified equipment poses a solid foundation for the safe use of network equipment in government departments, enterprises and institutions, especially the classified departments. This paper introduces the characteristics of electromagnetic leakage materials, electromagnetic shielding cabinet protection principle, while proposed shielding effectiveness testing, metal insertion testing, temperature and humidity testing and digital display technology in the electromagnetic shielding cabinet applications.