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Liquid measurement plays a very important role in various industries. Today many modernized systems have come up to track and measure the liquid levels. These new age systems are very accurate and are advantageous in many ways. It helps in preventing the loss of materials, set accurate requirement values, cost reduction and better quality of various products. In this article, we will see in detail the different kind ways to measure liquid levels.

Glass gauge Level

The glass level gauge is available in different designs. It is one of the oldest methods that was used to measure liquid levels. It is also called as liquid level guaging. It is said that this method came into practice before two hundred years. It is one of the simplest methods to measure liquid levels. The biggest advantage of using this method is that we will be able to see the level of the liquid clearly because of the clear glass that is being used. The disadvantage is that there are good possibilities for the glass breaking. This glass level gauge comes in two different variants. They are the armored ones and unprotected ones. By using armored glass level gauge, the chances of breaking are drastically reduced.

Glass gauge Level

Floats

The working of the float is based on a very simple principle. If you are placing an object that is of lesser density than the object, it does not drown. It tends to float on the surface. By attaching a mechanical device to the object that is floating on the surface of the level, the liquid can be calculated. It is still in use for many simple devices. The best example would be the water filters in most of the houses will have this kind of mechanism.

Hydrostatic devices

The hydrostatic devices include dispensers, bubblers, and pressure transmitters. The change in the temperature of the liquid will have an effect specific gravity of the liquid. The displacers work on the famous Archimedes principle, the bubbler technology is used in the instruments and vessels that function under atmospheric pressure, a differential pressure transmitter shows the difference between the bottom of the tank and the static pressure or head pressure of the vessel. The atmospheric pressure is used as the reference to calculate the levels in these processes. Even though DP sensors are the ones that are used in most of the cases, there is still a requirement for bubblers.

Load cells

The load cells are also referred to as the strain gauge devices. It is a mechanical device that has one or more sensors attached to it. These sensors are designed to detect small distortions. For the measurement of the liquid levels, the vessel support structure should be incorporated with the load cells. The geometry of the vessel and the specific gravity of the liquid that is present should be known well in advance. The output from the load cell will be used to calculate the liquid levels.

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