Differential pressure level measurement
Differential pressure level measurement technique makes use of a differential pressure detector
（
）which is installed at the bottom of the tank whose level is to be detected. The liquid inside the tank creates pressure which is comparatively higher than the reference atmospheric pressure. This pressure comparison is performed via the Differential pressure detector. A standard differential pressure transmitter connected to an open tank is shown in the figure beLevel_Detector.jpg|Differential Pressure Level Detector]]
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