The Basics Of A Tension Load Cell

There are many different components to an industrial type of scale or weighing system. Often these devices look deceptively simple as the electronics and components are all contained within the scale frame and structure to prevent damage and exposure to water, environmental dirt, and dust and even to chemicals or other corrosive agents.

One of the most important parts of any scale system is the load cell. This is an electronic component that operates as a transducer, converting the change in force when a load is applied to the scale into an electronic signal. This signal will be in a specific form for the scale, but typically in voltage or current change. It is less often used to register frequency change, but this is also not uncommon.

The Specifics

Different types of load cells can be used to measure compressive loads or tensile loads. A tension load cell is used to measure the tensile weight, which is typically hung from the scale or otherwise suspended. These scales need to be built to handle not only the weight of the average loads but also with a top level of accuracy and ease of calibration.

Tension load cells come in a range of different designs. The various designs provide more effective weighing options for various weight ranges. The most common types include column, low profile, S-beam, link and shackle options.

What to Consider

When selecting tension load cell models and options, it is essential to consider the environment where the scale will be used. Hermetic sealing will be critical in moisture environments or where washdown will be a factor to consider.

As with any type of scale, it will be critical to consider the accuracy of the load cell. Purchasing from an established manufacturer with a top reputation in weighing and scale systems are always the most recommended choice for any application or system.

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