Rotary speed sensors for industrial applications
Magnetic pulse sensors

Magnetic pulse encoders are suitable for the contact-free probing of solid steel measures. These can be: Gears or toothed rods, slotted discs or grooved bands, screw heads or milled structures.

Pulse encoders are designed for applications in the harshest of industrial environments.

The modular design principle of the pulse encoders with respect to housing, connection technology and signal electronics permits optimum solutions in accordance with concrete application requirements.

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  • Measuring frequency: 0 Hz to 30 kHz
  • Direction detection
  • Signal type: Open-Collector NPN or PNP, Push-Pull, TTL, HTL and the like
  • Current capacity optionally up to 200 mA
  • Working temperature -40 … 150 °C
  • High temperature fluctuation resistance
  • Pressure-resistant up to 500 bar
  • Stable against dynamic pressure changes
  • High electromagnetic interference resistance
  • Very low sensitivity to external magnetic interference
  • Resistant to oils, salts, alkalis, acids
  • Suitable for industrial cleaning with water or steam blasting
  • High vibration and shock resistance


Position determination, recording and monitoring of speed (RPM, stoppage), direction of rotation, e.g. for:

  • Drives
  • Electric vehicles (e.g. floor conveyors)
  • Marine engines
  • Construction machine
  • Brake monitoring (ABS and slip control)
  • Machine tools
  • Wind energy installation
  • Combustion engine
  • Tracking systems
  • Lifts

Technical data

Type Signaltype Description

Series HMX2


Overview magnetic Pulse Sensor for Gearwheels and Gear Rods

  • Detect direction of rotation
  • Pressure resistent up to 20 bar
  • Working temperature -40° ... 150°C
  • Signal type NPN 
  • 0,01 ... 20 kHz



Pressure resistant magnetic Pulse Sensor  

  • Switching frequency 0 ... max. 5kHz
  • -30 ... 150°C


ATEX certified


Explosion protect (ATEX) Pulse Sensor  

  • Switching frequency 0 ... max. 15kHz
  • -30 ... 105°C
  • Protection Class IP68

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