About us


SONOTEC was founded in the beginning of 1991 by the physicists Dr. Santer zur Horst-Meyer and Hans-Joachim Münch and has been owner-managed since then. With currently more than 170 employees, today we are a growing technology company established on the market as a provider of products and solutions using ultrasonic measurement technologies. We offer products and solutions with ultrasound for:

Together with you, our client, we initially analyse your exact measurement and metering requirements. This enables us to develop optimized ultrasonic solutions to suit your precise needs. We produce high-precision and high-quality equipment at fair prices.

We are able to achieve this because of:

  • our highly-qualified employees in research & development, production and distribution 
  • our innovative products 
  • our customer-oriented working methods

Our story in 60 seconds

Our Business Units

Preventive Maintenance

Under the brand name "SONAPHONE", we offer ultrasonic testing devices for leak detection and evaluation, condition monitoring tasks, steam trap testing and electrical inspections.

Non-destructive Testing

Flaw detection, wall thickness measurement, air-coupled ultrasonic inspections and phased array testing - we handle all products and solutions regarding non-destructive testing.

Non-invasive Fluid Monitoring

The business unit „Non-invasive Fluid Monitoring“ is your reliable partner for flow measurement, bubble detection, fill level monitoring and blood leak detection

We are members of the following associations and networks


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