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称重传感器_电阻式传感器的基本原理
发布日期：2012-11-12 16:10:28

　　将被测量变化转换成电阻变化的传感器，叫做电阻式传感器。
   　电阻式传感器的基本原理是将被测非电量(例如力、压力、位移、应变、速度、加速度、温度和气体的成分及浓度等)的变化量转换成与之有一定关系的电阻值的变化，再通过相应的转换电路变成一定的电量输出。
   　由于构成电阻的材料种类很多，引起电阻变化的物理原因也很多．这就构成了各种各样的电阻式传感元件以及由这些元件构成的电阻式传感器，按构成电阻的材料的不同，分为(金届)应变式电阻传感器、(半导体)压阻式传感器和电位计(器)式传感器。
   　以上由珠海市长陆工业自动控制系统有限公司经验整理，转摘请注明出处：http://www.longtec.com/

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