EMERSON KJ4003X1-BE1 Digital input card
The effect of RF radiation on living tissue is thought to be primarily thermal in nature. The most vulnerable parts of the human body are nerves, skin, and muscles. However, other parts that can be affected are the brain, the eyes and the testes. The thermal effects can range from mild heating of the skin or organs to fatal damage. To minimize possible hazards from RF radiation, Dept of Defense Instruction 6055.11 (9-4) provides recommendations to prevent possible harmful effects in human beings exposed to radio frequency radiation. (a) Below 1000 MHz, RF energy penetrates deeply into the body. These frequencies are extremely hazardous since the radiation is not detected by the nerve endings located in the skin. The power absorbed in the body tissues can be as high as 40% of the incident power. The urinary bladder, gall bladder, and parts of the gastro-intestinal tract are particularly vulnerable since they are not cooled by an abundant flow of blood. Also, stainless steel and platinum bone implants and fillings in teeth can increase in temperature when subjected to RF radiation, resulting in burning of tissues.
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1.Focus on DCS, PLC, robot control system and large servo system. Main products: various modules/cards, controllers, touch screens, servo drives.
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