Barkley & Dexter Model 440 Metal-Tracker Metal Detector.

One used Barkley & Dexter Model 440 Metal-Tracker Metal Detector. Has a 4" (wide) X 8" (tall) aperture. Has a 286Khz frequency and a 0.8 to +1.0mm test wand rating. Is mounted on an 69" (long) conveyor with pneumatic reject system. 1/60/110V. Barkley & Dexter Model 440 Metal-Tracker Metal Detector.