Scan and Listen is a tool that’s been developed for first and quick indication. This without the need of complicated
and expensive measurement tools like Laser Vibrometers or Acoustic Holography systems. The Scan & Listen preamp is used to make the PU Microflown signals easily audible. See also the application page scan & listen

Measurements from the paper (see also here): Scan & Listen: a simple and fast method to find sources, Johan de Vries and Hans-Elias de Bree, SAE Brazil, 2008

• Gong Measurement
• Clicks