Honeywell RTP Series Hall-effect Rotary Position Sensors take non-contact sensing to the next level by separating the magnet from the sensor body. The absence of the actuator shaft removes the wear and tear on the bearings caused by radial forces. RTP Series offers a choice of a bare or a housed magnet. Honeywell's RTP sensors use a magnetically biased, Hall-effect integrated circuit to sense rotary movement of the actuator over a set operating range. Rotation of the actuator changes the magnet's position relative to the IC. The resulting flux density change is converted to a linear output. 

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