1997 Graseby Goring Kerr Metal Detector. Model: DSP2. S/N: 22170. The maximum aperture above the belt if a belt is installed will be of 9-3/4 in. W x 6-3/4 in. H. Currently it is @ 10 in. W x 7 in. H. Sensitivity:1.0-1.5 mm ferrous metals, 1.0-1.5 mm non-ferrous metals and 1.5-2.0 mm non-magnetic stainless steels. DSP2 Metal Detector offers the most sensitive solution to meet your legal obligations and protect your brands. The design incorporates the hygienic needs of the food industry and the requirements for extreme reliability. Features include a digital display with touchpad controls and stainless steel Frame. Conveyor infeed/exit height: 36 in. Overall dimensions: 31 in. L x 28 in. W x 56 in. H. (GM).