MicroPhonon is an LLC located in High Springs, Florida. The company has developed automated leak sensor technology that exploits high-frequency acoustics.
An overview of the technology can be found in this one page brochure. An in-depth design document can be downloaded from the IEEE Tech Archive. More documentation, design files, and firmware are available on GitHub.
The sensor electronics board called AquaPing is available for purchase at these authorized distributors:
Contact: Michael Hasselbeck, PhD
mph--at--microphonon.com