Tern Technologies uses the Pruftechnik products when doing our services. These products feature high dependability, and integration, and come in a range of options for your applications. Tern can provide new and used parts, brackets, repairs, and calibrations for all alignment and vibration systems. See below for the current products we use.

Laser Shaft Alignment Systems

Pruftechnik features laser shaft alignment systems that come in standard and mobile forms.

Some options include:

  • Cloud-enabled shaft alignment
  • Intelligent platforms
  • Alignment used on tablet and smartphones

To view all Pruftechnik laser shaft alignment systems, click here.
Learn more about Pruftechnik’s laser shaft alignment systems, request a quote with us today.



Pruftechnik’s cloud-enabled laser shaft alignment system comes in connectivity and fully-featured versions.

Some of the foremost features include:

  • Alignment reliability software
  • Soft foot diagnosis
  • A horizontal and vertical move simulator
  • Multi-coupling shaft measurement

Learn more about ROTALIGN Touch, request a quote today.

PDF Download the Rotalign brochure.

Optalign Touch

The alignment system for basically any maintenance workshop.

  • Touchscreen display
  • WiFi compatible
  • Bluetooth communication between sensor head and computer
  • Water- and dustproof according to IP 65
  • Shock-proof, oil, dirt and scratch resistant
  • SensALIGN 5 laser/sensor heads

Request a quote for the Optalign Touch here.

Condition Monitoring Systems

Among other offerings, Pruftechnik has a line of portable and permanent systems used for condition monitoring. These systems are data collectors, ultrasonic testing devices, vibration analyzers, and balancers.

Systems include:

  • VibXpert II

To view all Pruftechnik condition monitoring systems, click here.

To learn more about Pruftechnik’s condition monitoring systems, request a quote with us today.

VibXpert II

VIBXPERT II is an all-in-one data collector, vibration analyzer and field balancer based on latest technology.

  • Fastest measurements using trending spectra
  • User-friendly and intuitive operation
  • Powerful analysis and diagnostic tools for machine trouble shooting
  • Automatic switchbox support
  • Long-lived battery

To learn more about the VibXpert II, request a quote today.

PDFDownload the VibXpert II brochure here.

VIBSCANNER II – Data Collector 

This product from Pruftechnik is a high-speed, precision data collector system.

Its features include:

  • Triaxial data acquisition, in real time
  • Shock-proof, high-contrast, and glove-enabled touch display screen
  • Minimum measuring time

To learn more about the VIBSCANNER 2 data collector, request a quote today.

PDF Download the VIBSCANNER 2 brochure.



Ultrasonic testing device for leak detection.

SONAPHONE is a new-generation ultrasonic testing device primarily used to detect leaks in industrial air and gas pressure pipes and vacuum systems.

  • Large frequency bandwidth of 20 to 100 kHz
  • Pipe leak detection, electrical inspection, steam trap inspection
  • Leak analysis and evaluation of the amount of loss
  • Monitoring of ultrasound in rotating machine parts e.g. bearings

Learn more about SONAPHONE, request a quote today.

PDFDownload the Sonaphone brochure here.

EDDYTHERM Induction Bearing Heaters

Pruftechnik has a range of induction heating systems.

Options for induction bearing heaters include:

  • EDDYTHERM portable heaters for bearings up to 10 kg
  • EDDYTHERM 2X heaters with swivel arms for smaller or midsize bearings
  • EDDYTHERM 4X heaters for heavier workpieces, with capacities up to 300 kg

To learn more about the EDDYTHERM Induction Bearing Heaters, request a quote today.

PDFDownload the EDDYTHERM brochure here.




Efficient, time-saving single operator laser pulley alignment system that prolongs machine life.

  • Efficient and easy: one-person operation
  • Time-saving: displays parallel offset, vertical and horizontal angle corrections all at once with only one system set-up
  • No cross-check: measure once and correct
  • Reduces vibration and belt noise
  • Reduces downtime and energy costs
  • Prolongs belt, pulley and bearing life

Learn more about PULLALIGN, request a quote today.

PDF Download the PULLALIGN LITE brochure here.