Model SMR - 400A SMR - 400B SMR - 400C SMR - 600A SMR - 600B SMR - 600C Needle detective capability (Fe) 1.0 mm 1.5 mm 2.0 mm 1.0 mm 1.5 mm 2.0 mm Detective Width 400 mm 400 mm 400 mm 600 mm 600 mm 600 mm Detective Height 100 mm 150 mm 200 mm 100 mm 150 mm 200 mm Conveyor Length 1700 mm 1700 mm 1700 mm 1700 mm 1700 mm 1700 mm Weight 150 kg 160 kg 170 kg 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