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pill AN1940压电式振动传感器是两线制ICP型。是利用压电晶体的正压电效应把振动信号变换成电信号。传感器内置加上应力就会产生电荷的压电晶体材料,由于压电晶体所受的力是惯性质量块的牵连惯性力,所产生的电荷数与加速度大小成正比, 再通过内置的芯片把电荷放大成随振动加速度/速度比例变化的电压信号输出。
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