Belt Conveyor Scale System is made of a parallelogram loading frame, adjustable suspension bushings and idler arms with roller alignment trimming for quick, accurate alignment of weigh idler with rest of the conveyor idlers. The Scale System is provided with double sealed, precision shear beam load cell with mechanical overload and shock protection. The Scale System is coupled with a controller to form a complete scale system. Belt Conveyor Scale System is featured with a controller with a large, easy to read weight or data display and digital or analog outputs for various scale parameters.