This article shows the **Manometer Tank Level Measure** application and find out the manometer reading for the tank level calculation.

# Manometer Tank Level Measure

A mercury (density 13600 kg/m3) u tube manometer is used to measure the level of a liquid (density 1000 kg/m3) in a 5 meter high container, with the zero level of the manometer, 1 meter below the bottom of the tank. Calculate the level in the tank if the manometer reading is 300 mm (0.3 m).

Answer -

Comparing pressure on the XY line:

Patm+1000×(H+1+0.15)×9.81=Patm+13600×0.3×9.81

∴H + 1.15 = 13.6×0.3

∴H = 4.08 – 1.15

= 2.93 meter