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    Picture of M16/M18 Magnetic Pickup Speed Sensor for Engine RPM Picture of M16/M18 Magnetic Pickup Speed Sensor for Engine RPM Picture of M16/M18 Magnetic Pickup Speed Sensor for Engine RPM Picture of M16/M18 Magnetic Pickup Speed Sensor for Engine RPM

    M16/M18 Magnetic Pickup Speed Sensor for Engine RPM

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    SKU: SUCH-SS-880
    $93.69
    ● 20 Hz–10 kHz wide frequency range ● 0.5–1.2 mm sensing distance ● ≥3.5 V output at 500 rpm ● -25°C to +85°C operating temperature
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    🕒 Delivery date: 6-12 days
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    Overview

    The SUCH M16/M18 magnetic pickup speed sensor is a passive, variable-reluctance sensor that generates a sine-wave voltage signal proportional to the rotational speed of a ferrous gear or flywheel, without requiring external power. Rated IP65 and compatible with gear modules from 2 to 6, it operates across a frequency range of 20 Hz to 10,000 Hz with stable coil resistance (1100±100Ω). It is commonly installed on engine flywheel housings, gearboxes, and alternators to provide RPM feedback for monitoring, control, and diagnostic systems in industrial and mobile equipment.

    Feature

    • IP65-rated housing — resists dust ingress and water exposure in outdoor or engine-bay mounting locations
    • Gear module range 2–6 — fits a broad range of flywheel and gear tooth profiles without needing a dedicated sensor per module size
    • Sine-wave output signal — produces a clean analog waveform compatible with standard tachometers and RPM controllers
    • Sensing distance 0.5–1.2 mm — allows fine adjustment of mounting gap to tune signal strength during installation
    • Frequency range 20–10,000 Hz — covers idle speeds through high-speed rotation in a single sensor
    • Output amplitude ≥3.5V at 500 rpm — ensures sufficient signal strength for reliable detection even at low speeds
    • Operating temperature -25°C to 85°C; lead sleeve rated to -40°C to 150°C — supports use in cold climates and high-heat engine environments
    • Two-wire, non-polarized connection — either terminal can be wired to signal or ground, simplifying installation

    Dimension

    Magnetic pickup speed sensor dimension diagram with labeled measurements

    Details

    Close-up detail view of magnetic pickup speed sensor housing and lead wire

    Specs
    Protection Rating IP65
    Detection Range 0.5–1.2 mm
    Gear Module Compatibility 2–6
    Frequency Range 20–10,000 Hz
    Output Waveform Approximate sine wave
    Output Signal Amplitude ≥3.5 V at 500 rpm
    Signal Characteristics Output signal amplitude is proportional to rotational speed and inversely proportional to the air gap between the sensor core and gear teeth
    Coil Resistance 1100 ± 100 Ω
    Connection Type Two-wire connection
    Wiring Non-polarized connection; either wire can be connected to signal output or ground
    Operating Temperature -25°C to +85°C
    Cable Jacket Temperature White PET or Nylon sleeve: -40°C to +150°C
    Installation Method Installed on the flywheel housing and aligned perpendicular to the flywheel tooth surface
    Installation Gap Distance between sensing face and gear tooth tip: L ≤ 1 mm. A smaller air gap provides a stronger output signal
    Customization Options Housing dimensions, materials, and thread specifications can be customized according to application requirements
    Application
    Magnetic pickup speed sensor installed for engine speed monitoring application

    Engine Speed Monitoring

    Magnetic pickup speed sensor used for generator speed control application

    Generator Speed Control

    Magnetic pickup speed sensor mounted for gearbox speed measurement application

    Gearbox Speed Measurement

    FAQ
     ❯

    A magnetic pickup speed sensor detects changes in magnetic flux when gear teeth or flywheel teeth pass the sensing element. It converts these changes into a sine-wave voltage signal, with output frequency proportional to rotational speed.

     ❯

    No. A magnetic pickup speed sensor is a passive variable reluctance sensor that generates its own voltage signal through electromagnetic induction without requiring an external power supply.

     ❯

    A magnetic pickup speed sensor should be installed perpendicular to the flywheel tooth surface, with a recommended sensing gap of 0.5–1.2 mm. Reducing the air gap within the specified range can increase output signal strength.

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