Safeline Metal Detector and Hi-Speed Weight Checker. Maximum aperture/clearance: 1 ft. 5-1/2 in. W x 5-1/4 in. H. Infeed/exit height: 2 ft. 7 in. Rated for detecting: 1.8mm Fe, 2 mm non-Fe and 2.7 mm stainless steel. Conveyor belt dimensions: 7 ft. L x 1 ft. 4-3/4 in. W., rated at 140 ft./min. Pneumatic reject mechanism dimensions: 2 ft. L x 3-1/2 in. W. This system combines a Safeline metal detector with a Hi-Speed weight checker designed to perform metal detection and weight inspection of products in a package line. Overall dimensions: 7 ft. L x 3 ft. 3 in. W x 5 ft. 2 in. H.