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85问答库 > 罗斯蒙特差压变送器怎么可以利用两根导线知道被测压力？

罗斯蒙特差压变送器怎么可以利用两根导线知道被测压力？

2025-03-28 06:38:30

推荐回答（3个）

回答1：

你所指的应该是双法兰变送器吧，你说的两根导线，里面冲的硅油，导线的前方会有一个膜片的传感器，它直接与被测介质接触，感受到的信号油硅油传入变送器。这种方法和导压管的区别在与导压管容易堵，而它不会堵，当然，定期排污还是要的。

回答2：

可以啊。两根线分别接与正负极然后另一端接在PLC端子排上就OK

回答3：

两线制的变送器，电源和输出共线，既是24VDC供电也是4～20MA信号输出。

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