Importance of Load Cells for Tank Weighing

You must have come across the term ‘load cells,’ and there are many people who want to know about the same term. If you are one of the curious minds who want to know about the load cells and their importance for tank weighing, you have landed on the right page.

Load cells are the primary components in all the weighing equipment, whether they are made for the human body, food weighing, or industrial weighing. In this post, we will focus on the importance of load cells in tank weighing systems used in industries.

What are Load Cells and How They Work?

A load cell is a device that converts the force applied by the weight into an electric signal. While there are different types of load cells, the strain gauge is the most common load cell used by professionals.

These cells use an independent system to check the weight of storage tanks. Through these cells, professionals weigh different tanks and chemicals using a single scale without installing anything on the tanks.

There are different types of load cells in the market, and every cell is used for different purposes, but all cells are a type of transducer. You should know that a transducer is a device that is used to convert one type of energy into another type. In the case of a load cell, it converts the force applying to the cell into three different types of electronic signals by changing its frequency, current, or voltage.

As the function of a load cell is based on the piezoresistivity, when a load or stress is applied to the load sensor directly, the resistance changes; on the other hand, a capacitive load cell is based on capacitance. The ability of a load cell to hold a specific amount of charge is known as capacitance.

How Load Cells are Used to Weigh Tank

Load cells are used to weigh storage tanks as they are non-contacting, non-invasive, and provide the most accurate weight measurements. Using a load cell system also eliminates different issues that are common in other traditional methods.

In traditional methods, devices are needed to place within the chemical storage tanks or mounted on top of them. On the other hand, the load cell system makes tank weighing easier and delivers the most accurate readings.

While weighing chemical storage tanks, the load cells are generally connected to a platform on which the tank sits. As soon as the tank sits on the platform, the pressure changes the resistance of the load cell and gives an accurate reading on the screen.

Load Distribution

Optimum distribution of load cells is required to determine the weight of tanks. The right arrangement can be achieved by distributing the overall load on all the loadcells as evenly as possible. In the case of vertical tanks like those which are cylindrical in shape, the optimum distribution can be achieved by placing the load cells equidistant from the vertical axis of the tank.

If all the supports in a system are not equipped with load cells, an uneven distribution may be required. The load cell support must have a greater load than the support without a load cell. To improve the overall accuracy of the device, it is recommended to follow the manufacturer’s guidelines. While selecting the load cells to use in a system, all load cells should be subjected to the same magnitude of the load.

If a tank is supported at four or more points, the direction of the tank is statistically redundant. In such cases, load cells should be installed at all support points. It is only possible to achieve an even distribution of the load during the assembly. The transducer load must be measured individually for this purpose. Therefore, if there are unacceptable differences, the height of the respective load cells must be changed (with compensating buffers, etc.). Very weak load cells are usually obtained diagonally from each other.

The number of load cells required.

The number of load cells you need depends on the size of the tank and the number of pedestals on which you have mounted your tank. You can place the low-capacity tanks on three load cells, but at least four load cells are required for rectangular and heavy tanks. An adequate number of load cells are used to offer adequate support to the tank and measure the force applied due to the weight of the tank.

Millennium Mechatronics offers high-quality load cells and weighing equipment for residential, commercial, and industrial use. They have been offering weighing solutions to individuals and businesses for over 25 years. With such vast experience in the field, it is a company you can rely upon for weighing equipment.

Final Words

Loadcells are the primary components in tank weighing equipment. Whether it’s tank weighing, product weighing, or a bathroom scale, every scale has loadcells that measure the weight. The best you can do to achieve accurate results is to buy your weighing equipment from a reputed and experienced manufacturer.

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