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  • YL压力式变送器

    压力式变送器

    压(ya)力式变送器(qi)是由(you)压(ya)电(dian)(dian)(dian)(dian)半(ban)导(dao)体(ti)构成的电(dian)(dian)(dian)(dian)桥(qiao),当(dang)压(ya)力施(shi)加(jia)在隔膜经(jing)介质再传到半(ban)导(dao)体(ti)电(dian)(dian)(dian)(dian)桥(qiao)上,使得电(dian)(dian)(dian)(dian)桥(qiao)正、负两端电(dian)(dian)(dian)(dian)压(ya)产生不平衡电(dian)(dian)(dian)(dian)位,经(jing)由(you)放大(da)器(qi)放大(da)进(jin)而(er)转变成4~20mA的电(dian)(dian)(dian)(dian)流信号

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