A load cell that converts the weight (force) signal applied externally into a measurable electrical signal (such as voltage, current, or digital signal). It is a core electronic component of electronic scales, industrial weighing systems, and intelligent logistics systems.
How Does the Load Cell Work?
A load cell primarily consists of elastic elements, such as springs or beams, to withstand external forces, strain gauge sensing elements, signal processing circuits, and signal output devices, including displays or data interfaces.
When an external object is placed on the sensor, it causes deformation (compression or tension) of the elastic element inside the sensor. This deformation results in a slight change in resistance, which in turn changes the output voltage of the bridge circuit. This voltage signal is then amplified and converted into a digital signal, ultimately mapped to a weight value.
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Load cells are a crucial component of electronic scales, enabling accurate measurement and quality control, and are widely used in industrial production, batching control, logistics, cargo weighing, patient weight monitoring, and building material measurement, among other applications.
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