Founded in 1983, Cygnus pioneered the digital multiple echo technique. The technique has long since been the industry standard for accurate measurement of material thickness.

Driven by the need for a hand-held device they successfully developed multiple echo digital thickness gauges which measure metal thickness through protective coatings in a reliable and repeatable way.

NDT Equipment

Cygnus 1

Cygnus 1 is a tough multiple echo Ultrasonic Thickness gauge designed for use by divers undertaking subsea surveys – the original underwater thickness gauge.

NDT Equipment

Cygnus DIVE

Cygnus DIVE is a wrist mounted instrument giving the diver one free hand. Its special features include:

  • 300msw depth rated

  • Wrist-mountable, giving the diver a free hand

  • A-Scan (selectable)

  • Data logging - stores 5,000 measurements and A-Scans - "Auto-Log” - no log button to press

  • AMOLED display, easy viewing from all angles for diver and camera

  • Multiple Echo, error- checked measurements through coatings up to 20 mm thick

  • Single-Echo - for use on extreme corrosion, anchor chain links and some plastics

  • MSI™ Measurement Stability Indicator - exclusive to Cygnus, confirms a stable reading in single echo mode

  • HelmetView™ - optional remote display


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