Model SMR - 600A SMR - 600B SMR - 600C Needle detective capability (Fe) 1.0 mm 1.2 mm 1.5 mm Detective Width 600 mm 600 mm 600 mm Detective Height 100 mm 100 mm 100 mm Conveyor Length 1700 mm 1700 mm 1700 mm Weight 200 kg 210 kg 220 kg Belt Speed 30m / min List of Electricity AC 110v / 220v , 2P , 50 / 60Hz Power 60 W/h Control of Capability 10 Steps Alarm Electronic Buzzer,Lamp,Returning of Detection to Start Position