Differential Manometer 1.Introduction 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. 1. U-tube upright differential manometer 2. U-tube inverted differential manometer 1.2 U-tube Upright Differential Manometer It is used to measure pressure difference at two points in a pipe or between two pipes at different levels. Case 1 - U-tube upright differential manometer connected at two points in a pipe at same level The construction and arrangement of a manometer connected at two different points, A and B, of a pipe is shown in figure 1 Fig.1U-tube upright differential manometer Let, ρ 1 = densit...
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