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Speed & Proximity Sensors
Geartooth Speed and Direction Sensor



SD1002 Sensors

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Hall-effect geartooth speed and direction sensor
with flange-mount plastic housing.
  • Sense speed and direction of ferrous geartooth targets
  • Plastic flange mount sensor rated to 125°C
  • Near zero speed sensing capability
  • Capable of 8000+Hz target speed
  • Locating mark provided to assure correct rotational alignment
  • 10-bit dynamic threshold detection offers:
    • Automatically adjusting magnetic range
    • Self-compensating to target geometry
    • Immune to target run out
  • Compatible with unregulated power supply
  • Reverse battery protected to -30VDC
  • Internal circuit protection to IEC529 1000
    • EMI resistant to 10V/m, 30MHz to 1GHz
    • ESD resistant to 4kV (Contact discharge)
    • Fast transient resistant to 2kV
    • Conducted immunity resistant to 10VRMS@150kHz to 80MHz
    • EMC compatible 30A/m @ 50 Hz
  • Meets IEC529 IP67 for dust and water protection
    • Integral Connector version: 4-pin Delphi Metri Pack 150.2 No. 12162833. Mates with Terminal No. 12124075.
    • Discrete wire version: 20 AWG, PVC insulation, UL1007/1569


  • Wheel speed and direction
  • Transmission speed and direction
  • Hoist speed and direction
Part # Operating Voltage Range (VDC) Supply Current (mA  max.) Output Output Saturation  Voltage
(mV max.)
Output Current (mA  max.) Operating Temp. Range
Storage Temp. Range
SD101201 4.75 to 24 20 sink 1000 25 -40 to 125 -40 to

Notes: SD101201 uses Delphi Metri-Pack 150.2 Series Part No. 12162833.
Mating terminal: Delphi Part No. 12124075.

A pull up resistor is required between power and each output.
Resistor value is dependent upon input voltage. See page 18 of catalog for recommendations.

 Open Collector Sinking Block Diagram
Sink Block Diagram

Inches (mm)
All tolerances ±0.005 (0.13) unless otherwise noted.


Click on image to enlarge.

   Specifications subject to change without notice.