Cintex Metal Detector. Aperture/clearance: 1 ft. 1-3/4 in. W x 9 in. H. Conveyor belt dimensions: 1 ft. 1 in. W x 6 ft. 8 in. L. Infeed/exit height: 37 in. Sensitivity tested with test strips to 1.5 mm ferrous metals, 1.5 mm non-ferrous metals, and 2.0 mm non-magnetic stainless steel. Actual numbers may vary depending on local site conditions, product tested, and other factors. Emerson Motor, 1/2 hp. Gear reducer ratio: 1:31, 56 rpm (final). Can Also operate at 1/2 hp. Gear reducer ratio: 1:31, 46 rpm (final). Overall dimensions: 6 ft. 8 in. L x 3 ft. W x 4 ft. 2 in. H.