 | 电子式压力开关 |
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力控制器是工业过程测量与控制系统中控制压力的一种专用仪表，工程中通常称为压力开关，其工作原理简单来说就是接通和断开。对于机械式压力开关，当被测压力超过额定值时，弹性元件直接或经过比较后推动开关元件，改变开关元件的通断状态，达到控制被测压力的目的。
各种各样封装的压力开关，有电子式的和机械式的，有的还带有显示功能，方便观察读取，最广泛应用的是机械压力开关。
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