The high speed checkweigher and metal detector combo can detect the weight and metal impurities at the same time. One machine has multiple functions. It can automatically detect the unqualified products under different conditions, such as qualified products, unqualified products, missing products, and products containing metal impurities, and automatically eliminate the unqualified products to ensure the integrity and quality assurance of the outgoing products. The industrial weighing metal detection machine saves production line space and is convenient for operation.