Optical mark reader(omr scanner) is a high-tech data input device . Nanhao omr can be widely used in education examinations, signing up, subject choice, data statistics and evaluation in fields such as vote, transportation, human resources, fiscal taxation and finance and so on. Main application fields: Standard examinations in colleges, high schools and elementary schools, educational evaluations, analysis of student achievement , students' status management and so on. Specifications: Model: Omr43fs Reading mode: Single-face and read one time Feeding mode: Automatic Speed: 8000pcs/hour (based on a4) Form size: 130mmíß50mm-300mmíß210mm Form weight: 70-150g/m2 Track spacing: 5.08mm Marking tools: No.2 or softer pencils, carbon pens Mark shapes: Rectangles, ovals and circles Error rate: ín1íß10-7 Mark choice: Single choice, multiple choice and bcd code Format: 26 kinds, each has 255 commands at most Interface: Rs232, usb Host: Pc, laptop Weight: 8kg Operating system: Win2000, win2003, win xp Power supply: Ac100-240v, 50-60hz Dimensions: 560mmíß170mmíß400mm Operating condition: Temperature 0-40ípc, humidityín90%, no erosive gas Carton boxes