Cygnus Underwater: Ultrasonic Thickness Gauge
Cygnus Underwater: Ultrasonic Thickness Gauge
Survey Equipment

Cygnus Underwater: Ultrasonic Thickness Gauge

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The Cygnus Underwater Diver Hand Held Thickness Gauge is the original Diver held subsea multiple echo Ultrasonic Thickness Gauge. It was designed for use by Divers undertaking subsea maintenance and surveys 3 decades ago and today it is still the industry standard.


RINA approved (Certificate No. 2009DGPO787).

Auto Probe Recognition (APR).

“Deep-Coat” mode for measuring through coatings up to 20mm thick.

Easy calibration using convenient buttons.

Rugged, durable, shock-proof construction.


Materials velocities between 2000 m/s and 7000 m/s (0.0800 in/us to 0.2780 in/us) – covers virtually all common engineering materials

Measurement range in steel 1mm – 250mm (0.040” – 10.000”) depending on selected probe and configuration, material and temperature

Accuracy ±0.1 mm or 0.1% of thickness measurement, whichever is greatest, when calibrated in accordance with Cygnus Instruments calibration procedure

Resolution 0.1 mm or 0.05 mm (selectable) (0.005” or 0.002”)

Probe Options Single crystal probes Power 2 x rechargeable NiMH battery packs


Hull UTM inspection

Civil engineering

Marine structures

Offshore platforms

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