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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.


RPM Sensors, Keyphasers

In sync with the machine

These sensors measure the rotational speed of the shaft and provide the reference signal for order-based vibration analyses.

 Non-contact measurement for increased reliability

  • Easy handling and installation
  • Robust, industrial-duty


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

Laser trigger / RPM sensor

Type VIB 6.631

  • Connects to PRÜFTECHNIK data collectors
  • Laser optical measurement
  • Easy mounting and adjustment
  • Large RPM measurement range
  • Stable stands (accessory)
  • EX version available

Technical data (excerpt)

  • Measurement range:
    0.1 ... 600 000 RPM
  • Measuring distance:
    0.05 ... 2 m
  • Output:
    5V (TTL)

Inductive RPM sensor

Type VIB 5.992-NX

  • Standard RPM sensor for PRÜFTECHNIK online CMS
  • Inductive measurement
  • Easy mounting and adjustment

Technical data (excerpt)

  • Measurement range:
    < 150 000 RPM
  • Measuring distance:
    2.3 ... 12 mm
  • Load current:
    200 mA
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