... suction system, internal microcomputer control, automatic feeding paper, measuring, reseting, washing, automatic measurement show one, two,three times ... -232 interface, convient networking.5.Lack of paper automatic alarm.6.LCD screen display, English menu clew operation7 ... air rate: 330ml ±15m, time: 1.4S±0.2S 9. weight: 20KG10. packing size: 610x500x325mm Products show: High Quality SV-2LZ Automatic ...