Question

who measures the pressure in terms of difference in fluid levels between the arms of the U- Tube ​

Answer 1

Barometers. Manometers typically use a U-shaped tube of a fluid (often mercury) to measure pressure. A barometer is a device that typically uses a single column of mercury to measure atmospheric pressure.

Answer 2

Answer:

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Explanation:

Differential manometers are used to measure the difference of pressures between two points in a pipe or in two different pipes. There are two types of differential manometers. It is used to measure pressure difference at two points in a pipe or between two pipes at different levels.

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