Thickness Gauges

Founded in 1983, Cygnus pioneered the digital Multiple-Echo technique. This technique has long since been the industry standard for through coating 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. The range has recently been extended to include Echo-Echo and Single-Echo measurement modes to expand even further the usability of Cygnus gauges.


Cygnus gauges are all robust and simple to use. They are engineered to withstand the harshest environments.


Their roots are in marine inspection services. Now building on strong foundations, Cygnus has entered a new phase of innovation. They are investing heavily in market research and product development. They believe in an entirely application-driven, user-focused approach. For this reason they put a huge emphasis on listening to customer requirements and feedback.

As a result of thousands of hours of research, development and continued investment, Cygnus has set and raised the standard for accurate thickness measurement devices, manufacturing gauges that are utilised in almost all industries including:

  • Ship hull surveys
  • Rope access surveys
  • Underwater inspections
  • Explosive environments

These are just a few of the diverse industries in which Cygnus thickness gauges are used.

Remaining within the scope of using ultrasound for inspection, they have also developed the Hatch Sure, an ultrasonic hatch cover leak detector. Used predominantly for checking hatches on bulk carriers it also has many other applications e.g. water-tight door testing.


Cygnus is an ISO-9001 certified company.  On account of this and our intrinsically safe certifications (BASEEFA and CSA), we are constantly being audited guaranteeing you the best quality products.

At Cygnus, high quality comes first and foremost.

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