ultrasonic testing device for maintenance 4.0


In the age of Industry 4.0 the optimizing processes, increasing operational safety, and improving energy efficiency are becoming more and more significant. Meet the challenges of Maintenance 4.0 with the new SONAPHONE from SONOTEC. The digital ultrasonic testing device combines innovative sensors and software for preventive maintenance that can be operated intuitively and paves the way for new processes for new applications.


With the new SONAPHONE you can

  • detect and classify leaks  in compressed air, gas and vacuum systems and reduce your energy costs,
  • monitor the condition of your machines and determine the optimal maintenance time,
  • identify leaks in windows, doors, vehicles, components and containers and ensure compliance with specified quality requirements,
  • find electrical partial discharges and insulation damage and increase your operational safety,
  • assess the function of steam traps and prevent energy and steam loss and damage to the steam system


  • new applications through new processes
  • user-friendly interface speeds up your inspection process
  • record ultrasonic frequencies from 20  to 100 kHz
  • store  test data and spectrograms
  • add photographs, voice memos and comments to the measuring point
  • create test reports with a few clicks
  • minimize downtimes and increase operational safety
  • improve energy efficiency

Technical data

Device design

Digital ultrasonic testing device


5″ TFT-Display with multi-touch controller

Acoustic output of signals

Via loudspeakers or wired headphones

Dimensions (W x H x D)

90 x 174 x 25 mm


370 g

Temperature range
  • Storing temperature: -20 to +60 °C
  • Operating temperature: -10 to +65 °C
  • Charging time 4 h typically
  • Operating time in practical use 8-12 h
  • Operating time in continuous operation 4 h
Connectors and interfaces
  •  1 x fast ultrasonic channel (Lemo)
  • USB 2.0 (microB)
  • stereo headphones (jack plug 3.5 mm)
  • slot for microSD card
Protection class


  •  8 GB Flash system memory
  •  16 GB Flash internal measurement data memory
Standards and directives
  • EMV RL 2014/30/EU
  • WEEE RL 2012/19/EU
  • RoHS RL 2011/65/EU
  • ASTM E1002-2005




Interested in our offer?

Write to us

Grzegorz Pieniążek
Grzegorz Pieniążek
Key Account Manager
+48 606 614 463
+48 (12) 362 97 63

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