Cintex Metal Detector. Model Auto II. Sensitivity tested with test strips as 1.5 mm ferrous metals, 2 non-ferrous metals, and 2.5 mm non-magnetic stainless steel. Actual numbers may vary depending on local site conditions, product tested, and other factors. Maximum aperture/clearance above belt: 18 in. W x 6 in. H. Mesh belt: 105 in. L x 18 in. W. Overall dimensions: 50 in. L x 39 in. W x 52 in. H (adjustable).