Woodward 9905-020 Magnetic Pickup Speed Sensor

Product Brief Introduction Passive magnetic pickup speed sensor, the key measuring component for prime mover speed closed-loop control, provides pulse speed feedback signal to governor.
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Technical Specifications Passive design without external power supply; threaded metal housing; wide working temperature, output sine wave pulse signal.

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

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

Performance Parameters Stable pulse output within rated speed range, no contact wear, long service life.

Structural Characteristics Threaded metal shell, built-in permanent magnet and induction coil, tail outgoing signal cable.

Working Principle When gear teeth pass the sensor tip, magnetic flux changes and induces alternating pulse signal; pulse frequency corresponds to rotating speed.

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

Usage Notes Protect sensor thread and sensing tip during installation; periodically check air gap and cable insulation.




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