The load cell is a force-to-electrical conversion device that converts gravity into an electrical signal and is a key component of the electronic scale.
There are many kinds of sensors that can realize force→electrical conversion, and common ones are resistance strain type, electromagnetic force type and capacitive type. The electromagnetic force type is mainly used for electronic balances, and the capacitive type is used for some electronic crane scales, and most of the scale products use resistance strain gauge load cells. The resistance strain gauge load cell has a simple structure, high accuracy, wide application range, and can be used in a relatively poor environment. Therefore, the resistance strain type load cell is widely used in the scale.
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