A manufacturer of piezoelectric ceramics, especially for the fields of vibration sensors, medical diagnostics, flowmeters and underwater acoustics. Page includes list of products and Piezo theory bibliographies.

Manufacturer's representative and distributor for a range of non destructive testing (NDT) products.

Designer and manufacturer of fiber-optic test, measurement, monitoring and automation solutions for the global telecommunications industry.

Contains schematics, circuit analysis design and theory of circuit boards.

Audio clips of whales and other underwater sound sources.

Worldwide provider of condition monitoring products and services including vibration monitoring, oil analysis, thermodynamic performance monitoring, and other technologies for machinery asset management.

Large selection of articles on various audio topics.

Offer NDT and NDE services, process analysis and inspection services.

Manufactures and markets nondestructive testing devices based on eddy current and ultrasonic technology. Products include automatic HDT roll inspection and grinding machine controls. Netherlands .

Manufacture programmable ultrasonic systems and provide nondestructible testing and consultancy services . United Kingdom .

Company uses "SonoLysis" method for dissolving clots. The method uses cavatated nanobubbles.

Emphasizing Navy applications.

The Noise Management Institute works to improve community understanding of noise management issues and to promote effective problem solving using new media technology.

Weird Project: acoustic - (c)1997 William Beaty

Manufacture high ultrasonic level measurement transmitters, and open channel flow meters, microwave blocked chute/barrier detection systems and tilt switch detectors. South Africa .