M279AA Conveyer Type needle Detector. Free standing conveyorised digital Needle Detector for garments. Accepts non-metals and all approved ono-ferrous zips and poppers it will reject and ferrous or nickle contamination typically staples and needle fragments equivalent to a 1.0mm ferrous sphere. The unit has a belt speed of approximately 25 to 30 metres per minute and an aperture size of 24" (700mm) width x 7" (175mm) height.In case of reject belt stop with audible alarm and signal light is activated. Full digital technology and control.