压力是一个机械因素，而许多控制操作需要电信号。压力传感器是一种以机械方式测量压力并使用其内置电子设备将结果转换为电输出信号的设备。借助这些电信号，压力传感器可以与其他系统通信并在达到某些先前定义的限制时触发电气开关操作。

　　原文：

　　Pressure is a mechanical factor while many control operations require electrical signals. A pressure transducer is a device which mechanically measures pressure and, using its built-in electronics, converts the result into an electrical output signal. With the help of these electrical signals, the pressure transducer can communicate with other systems and trigger electrical switching operations when certain previously defined limits are reached.