Woodward 5448-893 SPM-D1010B Magnetic Speed Pickup Sensor

Product Brief Introduction The 5448-893 SPM-D1010B is a passive variable-reluctance magnetic speed pickup sensor that generates an AC voltage signal proportional to rotational speed for engine, turbine and machinery control systems.
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Technical Specifications Output signal: 1.0 V AC minimum at 100 ft/min surface speed; frequency range: 10 Hz to 15 kHz; operating temperature: -50 °C to +120 °C; enclosure rating: IP67; probe diameter: 10 mm; thread: M10 × 1.0; housing material: 303 stainless steel.

Functional Features Passive operation – no external power required; variable reluctance sensing principle; rugged industrial construction; wide temperature operating range; corrosion resistant stainless steel body; non-contact measurement.

Application Scenarios Engine flywheel speed measurement, turbine shaft speed sensing, gear tooth speed detection, rotating machinery speed feedback for governors and protection systems.

Performance Parameters Frequency directly proportional to rotational speed; signal amplitude proportional to speed and air gap; vibration resistance: 30 g peak; shock resistance: 100 g peak.

Material Composition 303 stainless steel housing and probe, copper-wound sensing coil, samarium cobalt permanent magnet, epoxy resin potting, integral cable with leads.

Structural Characteristics Threaded cylindrical probe body; locknut for gap adjustment; integral 2-conductor cable; sealed probe end face.




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