Differential Pressure Manometer

A differential pressure manometer detects the difference between two pressures. The measuring element, e.g. a Bourdon tube, is connected to two chambers, each of which contains one of the two media to be compared. If the pressures in both chambers are equal, the manometer will show no signal. Only if the two pressures differ from each other will the measuring element move, and with it the pointer showing the absolute value of the pressure difference.

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