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The Latest Technology in Non-Contact Outer Diameter Measurement

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OLD PRINCIPLE

A semiconductor laser is fired at a rotating polygon mirror and scans through the measurement range. Measured values are calculated by measuring how long the laser is obstructed by the target

NEW PRINCIPLE

Green-LED light is emitted as a uniform collimated beam. The CMOS sensor  accurately detects the position of the edge between light and dark edges of the received light and determines  the measured values



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