About Us

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Founded in 1983, Cygnus Instruments Ltd pioneered the multiple-echo technique which has long since been the industry standard for accurate measurement of material thickness using digital ultrasonic thickness gauges.
Cygnus Instruments have developed a range of surface and underwater ultrasonic thickness gauges which can all measure metal thickness through protective coatings in a reliable and repeatable way.

Incorporated within the latest range of Cygnus thickness gauges is echo-echo and single-echo measuring modes, as well as the multiple-echo technique, which provides users with the flexibility to use just one thickness gauge for a variety of different applications, whether it's measuring: uncoated surfaces with heavy front-face and/or back-wall corrosion; attenuative materials such as cast metals, plastics and composites; painted metals but with heavy back-wall pitting; or being able to measure through 20 mm thick protective coatings.