Digital force gauges are widely used in various industries such as pharmaceuticals, cosmetics, food, packaging, automobiles, electrics, electronics, and machinery. It is an indispensable force measuring tool in product manufacturing, quality management, research and development. The digital dynamometer is based on the traditional mechanical dynamometer structure that uses knives, knife bearings, and levers as the measurement structure and is displayed by mechanical transmission. It is reformed to use sensors to convert electrical signals into electrical signals for measurement and display, so as to achieve the purpose of force measuring instruments. In structure, there are only a small number of mechanical parts in the detection part and others are composed of electronic devices. Therefore, the digital force gauge is an integrated instrument and equipment with the force-electric sensor as the core and the electrical signal measurement and display as the main body.