What is the function of U tube manometer?

Eengineeringtoolbox

Updated: 3rd December 2019

Pressure measuring devices using liquid columns in vertical or inclined tubes are called manometers. One of the most common is the water filled u-tube manometer used to measure pressure difference in pitot or orifices located in the airflow in air handling or ventilation system.

In this manner, why do we use a manometer?

The manometer is so often used to measure pressure that the difference in column heights is also a common unit. This is expressed in inches or centimeters of water or mercury at a specific temperature, which can be changed to standard units of pressure with a conversion table.

What does the manometer do?

Instruments employing this principle are called manometers. The simplest form is the basic and well-known U-tube manometer. (Fig. 2-1). This device indicates the difference between two pressures (differential pressure), or between a single pressure and atmosphere (gage pressure), when one side is open to atmosphere.

What is the use of differential manometer?

A differential manometer is a device that measures the difference in pressure between two places. Differential manometers can range from devices simple enough to be built at home to complex digital equipment.
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