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With over 550 employees worldwide, Prüftechnik are world leaders in Condition Based Monitoring, Non-Destructive Testing and Laser Alignment solutions across a wide range of industrial applications.

With products, processes and services for condition monitoring and availability optimization, Prüftechnik helps to ensure that your machines run smoothly and generate an output of consistently high quality. This also includes systems for automatic process control and quality assurance that are integrated directly in your production process.


Displacement Sensors

Measure shaft vibration and displacement precisely

Inductive displacement and proximity sensors are used for measuring displacement and shaft vibration on rotating machinery.

 Non-contact measurement

  • Sensors are easy to mount

  • Broad linearity/working range


Due to the size and complexity of this range, please contact our support staff for a detailed proposal on your requirements

Inductive proximity sensor

Type VIB 6.640

The inductive proximity sensor VIB 6.640 is used for contact-free measuring the gap of metallic objects within the specified range. The sensor connects to VIBXPERT vibration analysers.

Technical data (excerpt)

  • Working range Sn: 
    3 ... 15 mm
  • Max. frequency: 
    300 Hz
  • Inductive measuring principle

Inductive displacement sensor

Type VIB 6.645 SET

The inductive displacement sensor VIB 6.645 SET connects to PRÜFTECHNIK online systems. The sensor determines the position of metallic objects within the specified range.

  • Linear voltage signal across the entire working range
  • High max. frequency
  • LED adjusting indication

Technical data (excerpt)

  • Linearity range:
    2 ... 10 mm
  • Rated operating distance Se:
    6 mm
  • Max. frequency:
    500 Hz
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