Principal characteristics: 1. Compatible with the functions of LT-40S series. 2. Adopt the latest DSP and CPLD technique, can recognize barcode and photoelectric sensor, doesn't need to be adjusted. 3. Once input, twice reading, check and correct errors in time; No error. 4. Can read forms with 50 routes at most. 5. Can read forms with track distance of 1/6". 6. More faster than LT40S series, more functions realized by software, more convenient. Main application fields: In entrance examination to college, entrance examination to high school, simulation examinations, staff examination, evaluation, voting and so on, which require accurate reading. Specifications: Reading mode: Single-face and read two times 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: Cutting+/-0.2mm 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 Check rate: 1*10-4 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, can work without PC Weight: 8kg Operating system: Win98 or above Power supply: AC100-240V, 50-60Hz Packing size: 560mm*170mm*400mm