Request InfoMicronor Sensors Inc.Micronor Inc.’s Model MR330, a fiber optic absolute position sensor with an all-optical design, is immune to electromagnetic interference such as lightning, radiation or magnetic fields. The fiber optic aspect of the sensor makes it suitable for long-distance position sensing over hundreds of meters without being affected by ground loop problems. The sensor uses an optical technique embedded in a passive sensor and active controller connected by a duplex fiber optic link. 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