Woodward 9906-237 Speed Sensor Assembly

Product Brief Introduction Passive magnetic pickup speed sensor, provides pulse feedback signal for governor closed-loop speed measurement of prime mover.
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Technical Specifications Passive design with no external power; threaded metal housing; wide temperature range, sine wave pulse output.

Functional Features Non-contact speed measurement, strong vibration resistance, simple and reliable mechanical structure.

Application Scenarios Diesel genset, gas engine and turbine speed feedback loop.

Performance Parameters Stable pulse output within rated speed range, no mechanical contact wear.

Structural Characteristics Metal threaded housing, built-in permanent magnet and induction coil, shielded outgoing cable.

Working Principle Gear teeth pass the sensor tip and change magnetic flux, inducing alternating pulse signal whose frequency corresponds to rotational speed.

Installation Requirements Adjust proper air gap between sensor and gear teeth, tighten lock nut to avoid vibration loosening.

Usage Notes Protect sensor tip during installation; inspect air gap and cable insulation regularly.




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