• February 24, 2024

Why Is Level Gauging Important?

Pressure exerted by a fluid material in a vessel is directly proportional to its height multiplied by density. Head pressure or hydrostatic pressure is the force produced by the column of material. As the height of the material changes, there is a proportional change in pressure. The density of the material is multiplied by the height of the column to find the hydrostatic pressure. You can determine fluid level in a column by dividing the pressure value by the density of the material.


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A gauge is put at the bottom of the vessel with water having a density of 0.0361 pounds per cubic inch to determine pressure. The level of the fluid is calculated by dividing the head pressure by the density of the fluid. Another way of calculating the level of material in a vessel by weight using load cells. Load cells have a strain gauge bonded to support and convert a force or load to an electrical signal. As force or weight is applied to the load cell, the strain gauge deforms and causes the electrical resistance to change. In tension, the area narrows and the resistance increases and conversely, in compression the area thickens and resistance decreases. Understanding level gauging and how intrinsically safe barriers and level gauges work, you might need the help of process monitoring consultants. They will tell you about level gauging.

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