Bourns (Riverside, CA) has introduced the Bourns® Model AMS22U and Model AMM20B non-contacting rotary position sensors for rugged environments. They utilize magnetic Hall Effect (HE) technology, and are designed for pneumatic control valve position feedback, actuator motor position feedback, lift/shuttle suspension systems, and tilt control feedback. The Bourns® Model AMS22U is a single-turn, non-contacting rotary position sensor that offers a rotational life of up to 100 million cycles, and features a 1/8" shaft supported by dual ball bearings and a factory-programmable electrical angle from 10 to 360 degrees. The Bourns® Model AMM20B is a multi-turn, noncontacting rotary position sensor that features a rotational life of up to 50 million cycles. It features a slim profile for space-constrained applications, 12-bit resolution, and a factoryprogrammable electrical angle from 1080 to 3600 degrees.
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