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Cygnus Mini ROV-Mountable Thickness Gauge

Bring accurate thickness measurement to subsea areas that were previously out of reach. The Cygnus Mini delivers reliable ultrasonic readings from small observation ROVs - no coating removal, no divers.
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Subsea thickness measurement often requires large ROVs, diver intervention, or time-consuming coating removal. The Cygnus Mini changes that.

Designed to mount directly onto small observation-class ROVs, with or without a manipulator, the Cygnus Mini enables accurate ultrasonic thickness measurement in confined and complex subsea environments. Its Multiple-Echo technology allows operators to measure through coatings as specified by Classification Societies, improving efficiency while reducing risk and inspection time.

Measurements are viewed and processed at the surface using CygLink software, with simple calibration performed topside. For added flexibility, an optional Topside Repeater can display readings remotely and overlay data directly onto the ROV’s video feed, while optional probe handlers ensure consistent probe alignment underwater.

Ideal for UWILD and IWS surveys, subsea IRM and underwater infrastructure inspections, the Cygnus Mini delivers trusted thickness data where traditional methods fall short.

Contact us to find out more about the Cygnus Mini ROV Mountable, any of our other ultrasonic testing equipment, or request a quote online.

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Specification
Measurement Range (Steel) 1–250 mm (0.040–10 in)
Velocity Range 1,000–9,995 m/s (0.0400–0.3998 in/µs)
Accuracy ±0.1 mm (±0.004 in) or 0.1%
Resolution 0.1 or 0.05 mm selectable (0.005 or 0.002 in)
Probe Type Single crystal probes
Power 7.5–30 V DC @ 150 mA max
Communication RS-422 simplex (RS-232 optional)
Size 160 × 62 mm (6.3 × 2.4 in)
Weight (Air) 550 g (19.4 oz)
Operating Temperature −10°C to +50°C (14°F to 122°F)
Test Depth Tested to 500 m (1,640 ft)
Approvals RINA Type Approved, CE, UKCA, RoHS
Standards Designed to EN 15317
Warranty 3 years (gauge), 6 months (probe)
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