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Magnetic field sensors

Contactless and reliable detection

Magnetic field sensors

Magnetic field sensors are used chiefly on cylinders and grippers for monitoring the piston position. The sensor thus recognizes the field of the magnet integrated into the piston through the actuator wall.

With their contactless position detection, Balluff's magnetic field sensors function reliably and wear free: No contact erosion, no bounce and only clean contact points. Even at high movement speeds, the piston position is reliably recognized.

Magnetic field sensors for T-slot

  • Reliable switching behavior thanks to precise switchpoints
  • Non-contacting and thus free from wear
  • Impervious to contamination

Magnetic field sensors for C-slot

  • Reliable switching behavior
  • Precise switchpoint
  • Non-contacting and thus free from wear
  • Impervious to contamination
  • Low hysteresis

Magnetic field sensors for multiple slot shapes

  • One sensor for all pneumatic cylinders
  • Reliable switching behavior
  • Captive switchpoint
  • Non-contacting and thus free from wear
  • The best hold thanks to metal fasteners

Magnetic field sensors for tie rod cylinders

  • Tie rod diameter of up to 17 mm
  • Reliable switching behavior thanks to precise switchpoints
  • Non-contacting and thus free from wear
  • Impervious to contamination
  • Firm grip
  • Mounts quickly

Single-connector version with two BMF magnetic field sensors

  • Tie rod diameter of up to 17 mm
  • Reliable switching behavior thanks to precise switchpoints
  • Non-contacting and thus free from wear
  • Impervious to contamination
  • Mounts quickly

Tubular magnetic field sensors

  • Small, extremely compact form factors and very generous switching distances
  • Sensors with a diameter of 6.5 mm can sense position without contact at up to 90 mm
  • Industrial grade and contamination-proof
  • Detect positions even through containers or tubes
  • The detection of codes using magnets is also possible

Magnetic field sensors with adjustable switchpoints

  • Non-contacting, therefore free from wear
  • Individual setup of the switchpoints without tools
  • Applicable for cylinders and grippers with radial or axial magnetic polarization
  • Remote teaching of up to eight switchpoints via IO-Link
  • Adjustable hysteresis for each individual switchpoint
  • Extremely large 60 mm travel path
  • Universally applicable bracket for the teach-in module available
  • Status indication via multiple colored LEDs
  • Captive switchpoints even during power outage
  • Special brackets are available for other slot shapes (e.g. round slot)

Magnetic field sensors for round cylinders

  • Up to 80 mm piston diameter
  • Reliable switching process thanks to precise switching point
  • Contact-free and therefore wear-free
  • Resistant to dirt
  • Firm grip
  • Mounts quickly

Magnetic field sensors for trapezoidal groove and trapezoidal guide

  • Reliable switching response
  • Precise switching point
  • Contact-free and therefore wear-free
  • Resistant to dirt
  • Easy installation

Magnetic field positioning system

  • Modular concept for greater flexibility — measuring range up to 256 mm
  • Variety of applications — continuous checking of piston position in tight spaces with analog voltage and current output as well as IO-Link interface
  • Reliable results — application-relevant linearity and repeat accuracy
  • High process security — low temperature drift and high quality electromagnetic compatibility
  • Ideal for Industry 4.0 — format change, condition monitoring and predictive maintenance