Speed Sensor Hall-Effect HA-Di

This sensor is designed for incremental measurement of rotational speed (e.g. crankshaft or wheel speed).

Due to the rotation of a ferromagnetic target wheel in front of the HA-Di, the magnetic field of the built-in magnet is modulated at the place of the sensors diff.

The main feature and benefit of this sensor is the detection of the rotational direction.



  • Max. frequency: ≤ 10 kHz
  • Air gap: 0.4 to 1.0 mm
  • Bore diameter: 12 mm
  • Max. vibration: 1,200 m/s² at 10 Hz to 2 kHz
  • Weight w/o wire: 12 g




Max. frequency

≤ 10 kHz forward
≤ 6 kHz backward

Target wheel air gap AG

0.4 to 1.0 mm

Temperature range

-40 to 150°C

Output circuit

Open collector for 1 kOhm

External magnetic fields

≤ 100 mT

Max. vibration

1,200 m/s2 at 10 Hz to 2 kHz

Technical Specifications

Mechanical Data

Weight w/o wire

12 g


Screw 1 x M5

Bore diameter

12 + 0.2 mm

Installation depth L2

30 mm

Tightening torque

6 Nm

Electrical Data

Power supply

5 to 16 V (24 V for max. 5 min.)

Current IS

<20 mA

Power-on time

1 ms


Signal output width forward

37 to 53 μs (45)

Signal output width backward

75 to 105 μs (90)

Accuracy (tolerance)

±1.5° (for forward direction)

Signal output

0.52 V to < US

Signal output width (forward: green, backward: red)


Target wheel diameter D

162.34 mm

Thickness t

12.5 mm

Width of teeth b1

3.8 mm

Width of gap b2

4.7 mm

Width of sync. gap b3

20.79 mm

Depth of teeth h

3.4 mm

Number of teeth


Alternative Target Wheel

Target wheel diameter

118 to 370 mm

Width of teeth b1

2.2 to 3.8 mm

Width of gap b2

≥4 mm

Depth of teeth h

≥4 mm

Target wheel width

≥5 mm

Relative magnetic permeability

μ (r) ≥1000

Connectors and Wires



Mating connector


Pin 1


Pin 2


Pin 3


Pin 4


Pin 5


Various motorsport and automotive connectors available on request.



Wire size

AWG 24

Wire length L

15 to 100 cm

Please specify the required wire length with your order.

Installation Notes

The HA-Di is no true-power-on sensor. It needs the falling edge of trigger wheel teeth for correct working. After a time of 0.68 s without rotation of the detected wheel it needs again the falling edge of two teeth.

Please specify the angle between the mounting and the target wheel.

Please avoid abrupt temperature changes.

For mounting please use only the integrated plug.

If a wheel with different dimensions is used (see Environment), the technical function has to be tested individually.

Please ensure that the environmental conditions do not exceed the sensor specifications.

Please find further application hints in the offer drawing at our homepage.

Safety Note

The sensor is not intended to be used for safety related applications without appropriate measures for signal validation in the application system.

Ordering Information

Speed Sensor Hall-Effect HA-Di 0

Order number: F02U.V01.802-02

Speed Sensor Hall-Effect HA-Di 90

Order number: F02U.V01.803-02

Speed Sensor Hall-Effect HA-Di 180

Order number: F02U.V01.804-02

Speed Sensor Hall-Effect HA-Di 270

Order number: F02U.V01.805-02


Direction of rotation of the target wheel, View A


Legal Restrictions

Due to embargo restrictions, sale of this product in Russia, Belarus, Iran, Syria, and North Korea is prohibited.