Woodward 9905-002 Magnetic Pickup Speed Sensor

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

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 Gear teeth pass the sensor head, change internal magnetic flux and induce alternating pulse signal whose frequency corresponds to rotating speed.

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

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




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