Features of Load Cells

Features of Load Cells

To make the load cell work, manufacturers apply it onto a surface, where the strain gauge or other sensor changes its shape or physical status. The strain gauge then measures that shift, stress, tension, or compression on its surface.

The measurement output depends on the recommendations of the Wheatstone bridge circuit concept. Once the bridge circuit is set up, it is excited with stabilized voltage, known as excitation voltage. The difference voltage, which is proportional to the load, is then displayed on the signal output. After that, the sensor sends the interpreted data as a signal to the LED screen of the machine, which displays it in a way that we can understand.

Analog or digital load cell technology is used for the recording and transferring of information. Digital load cells have become more popular than analog load cells in recent years because they work faster, have a higher accuracy rate and better resolution. When load cells are used to measure any variance in certain ongoing systems, the load cells can sound an alarm or shut down the system itself until the discrepancy is corrected.

While there are other types of force and energy measurement and conversion tools out there, like elastic systems, vibration systems, and dynamic balance devices, none of them are as technical as load cells. Unlike load cells, they more closely follow traditional methods of measurement, and thus do not offer the same level of accuracy.