About Us

Sensor Technology Ltd. was founded in 1983 in Collingwood, Ontario, Canada. For over 30 years we have been designing and manufacturing piezoelectric ceramic materials, acoustic transducers, and hydrophones all at one facility.

Our expertise is in custom products. Any of the items listed on this site can be modified to meet your requirements. We have the design capability to turn your specifications into a prototype and the production facility to turn your prototype into a high volume product.

Our goal is quality. We provide high quality components for mission critical systems.

Markets Served

Sensor Technology Ltd. regularly services a wide number of industries including Security & Defense, Energy, Fisheries and Marine Industries. We have customers working in leak detection, megasonic cleaning, medical imaging and non-destructive testing (NDT). We also provide highly specialized transducers for unique applications involving high temperatures, high pressures and/or other harsh environments.

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Security & Defense
Marine Industries

Security & Defense

Defense applications present an enormous challenge, combining both cutting edge technologies and unparalleled quality requirements. They demand reliability, accuracy and repeatability. We are proud of our accomplishments in the security and defense industry. We have earned the trust of our clients and hold long standing relationships with defense contractors, naval research groups and navies around the globe. Some of the planet’s most advanced detection, ranging and navigation systems rely on our products.

canadian coast guard boatWe provide piezoelectric ceramics and acoustic sensors for defense applications including:

  • Active, passive and synthetic aperture sonar
  • Mine hunting
  • Port and harbour security
  • Diver detection



The search for oil and gas is pushing seismic exploration into increasingly challenging locations. The complexity of seismic arrays is growing to meet the challenge. The sensors they rely on are vital to the success of a seismic survey. Whether your challenge is building a seabed acquisition system that must survive the crushing pressure of the deep, or designing an advanced towed array streamer that will reveal what lies buried beneath the seafloor, we understand how critical the performance of each and every sensor in your system is.

Over the last 30+ years we have delivered more than one million hydrophones to customers building a wide range of seismic systems. We understand the challenges. Our knowledge and experience can help you push the boundaries and deliver next generation performance.

oil-platformOur products are used in a large number of oil & gas applications including:

  • Towed array seismic exploration
  • Seabed seismic acquisition and monitoring
  • Wire-line tools
  • Well logging
  • Well monitoring
  • Down-hole tools / logging while drilling (LWD)
  • Pipeline monitoring



Fishery departments and fish conservation organizations world-wide depend on the accuracy of their detection equipment to provide reliable study findings. Fishing crews rely on the same accuracy to position their nets and monitor their catch. Modern fishing systems are critical for maximizing catch while minimizing adverse environmental impact.

The most sophisticated trawl and purse seine systems in the world fishing-boatare built with Sensor Technology Ltd. transducers and hydrophones. And our piezoelectric ceramics have helped revolutionized the process of fish tagging, propelling conservation efforts forward.

Some common applications of our components within the fisheries industry include:

  • Fish tagging
  • Tracking fish movement, migration and survival
  • Purse seine monitoring
  • Trawl monitoring


Marine Industries

Our piezoelectric ceramics and custom acoustic transducers are used to create highly reliable systems. They are employed in oceans around the globe for a wide variety of marine applications. Our components range from the simple (e.g. a single ceramic pulse/echo transducer), to the complex (e.g. a hard shaded 8-channel hydrophone), to the remarkable (e.g. a 160 channel transducer packing more than 24 channels per square inch).

buoyOur custom acoustic transducers, hydrophones and piezoelectric ceramics are commonly used in the following underwater applications:

  • Side-scan sonar
  • Bathymetry
  • Sub-bottom profiling
  • LBL, SBL and USBL acoustic positioning systems
  • Underwater communications
  • Acoustic telemetry and marine-life monitoring



R&D is a cornerstone of Sensor Technology Ltd. Esoteric research in places such as the Mir space station, the Antarctic or the deepest sea floor (we’ve been to all three) gives us unique insights. Industry-focused development projects help us get more performance out of our products. The knowledge gleaned from R&D combined with decades of practical experience provide a foundation for everything we do, from designing a custom transducer to improving our production methods. R&D keeps us advancing.