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为了研究大学生受电脑电磁辐射的实际状况,采用EMR30电磁辐射分析仪,对电脑电磁辐射在100kHz～3GHz的电场强度值(V/m),进行了实验室研究性监测和宿舍、机房内的现场监测。监测的结果表明:宿舍中心处电磁辐射环境强度(100kHz～3GHz频率范围内的综合电场强度)低于0.5V/m;距离显示器屏幕前方0.4m以上操作电脑,则眼睛处辐射强度在安全值内。而目前,机房内台式电脑按行紧密摆放,前排电脑操作者后脑正对后一排电脑显示器突出的后部处,在后脑处辐射强度可超过10V/m;此外,学生宿舍空间拥挤鼠标、键盘通常与显示器近距离摆放在一起,造成显示器辐射与键盘鼠标自身辐射叠加,导致在键盘和鼠标处手掌受到的辐射强度大,不容忽视。
In order to study the actual situation of college students by the computer electromagnetic radiation, using the EMR30 electromagnetic radiation analyzer, the computer electromagnetic radiation in the 100kHz ~ 3GHz electric field strength value (V / m), the laboratory research monitoring and dormitory, the engine room site monitor. Monitoring results show that: the environmental intensity of electromagnetic radiation in the center of the dormitory (integrated electric field intensity in the frequency range of 100kHz ~ 3GHz) is less than 0.5V / m; when the distance is more than 0.4m in front of the screen of the monitor, the radiation intensity in the eyes is within the safe value . At present, the computer room desktop computer placed in close row, the front of the computer operator is behind the back of a row of computer monitors outstanding rear, the radiation intensity in the hindbrain can exceed 10V / m; In addition, the student dormitory space crowded mouse , The keyboard is usually placed close together with the display, causing the monitor radiation and the keyboard and mouse radiation overlap, resulting in the keyboard and mouse at the palm received by the radiation intensity, can not be ignored.