OMR scanner

Reading mode: Double sides and read one time
Feeding mode: automatic
Speed: 1-3pcs/sec (based on A4)
Form size: 130mm*50mm-300mm*210mm
Form thickness: 70-150g/m2
Track distance: 4.23mm (5.08mm, 7.00mm)
Tolerance: cutting0.2mm
Marking tools: pencil read head: pencils and carbon pen
pen read head: pencils, pens, ball-point; pens (non-red, non-white)
Size of mark: 2mm*1mm
Error rate: 1*10-7
Double-sheet rate: 1*10-4
Check rate: 1*10-4 a
Mark choice: single choice, multiple choice and BCD code
Format: 26 kinds, each has 256 commands at most
Bar code: 128 code, 39 code and 25 code
Communicate interface: RS232 serial and USB interface
Host: PC 586 or faster, notebook PC
Weight: 8kg
Operating system: Win2000 or Win XP
Power supply: AC100-240V, 50-60Hz
Packing size: 560mm*170mm*400mm