Woodward 9905-068N Magnetic Pickup Speed Sensor

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

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

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

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

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

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

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

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




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