What can be measured using a load cell?

A load cell is a type of transducer that converts a force or weight applied to it into an electrical signal. This capability makes load cells essential in various applications, including weighing systems and force measurement devices. They operate based on principles such as strain gauges, which measure the deformation of an object when a load is applied. This deformation produces a change in resistance that can be measured and converted into a value representing the force or weight.

In contrast, measuring electrical current flow, heat dissipation in a circuit, or magnetic field strength involves different instruments and principles. Current flow is typically measured with ammeters, heat dissipation is monitored using thermocouples or thermal imaging, and magnetic field strength is assessed with magnetometers. This highlights load cells' specific function in measuring mechanical quantities like force and weight accurately. Thus, recognizing that load cells are calibrated specifically for measuring force or weight is crucial for understanding their application in various fields.