Weighbridge, also known as truck scale, is a large scale set on the ground, which is usually used to weigh the tonnage of trucks. It is the main weighing equipment used to measure bulk goods in factories, mines and businesses. Weighbridges can be divided into: I-beam weighbridge, T-beam weighbridge, L-beam weighbridge, U-beam weighbridge, channel steel weighbridge and reinforced concrete weighbridge. According to the type of sensor, it can be divided into digital weighbridge and analog weighbridge.