Cygnus 4: General Purpose Ultrasonic Thickness Gauge
Cygnus 4: General Purpose Ultrasonic Thickness Gauge
Survey Equipment

Cygnus 4: General Purpose Ultrasonic Thickness Gauge

Availability: Rental, Sale

The Cygnus 4 General Purpose ultrasonic thickness gauge is a small, tough and accurate through coating digital thickness gauge. Designed for the harshest of environments with a simple to use keypad intuitive menus and a colour LCD display which can be viewed in all lighting conditions.


Multiple-Echo for reliable accurate through coating measurements as specified by Classification Societies.

Large bright colour LCD screen with back light.

Deep-coat mode, measure through coatings up to 20mm thick.

Wrist mountable, Intuitive easy to use menu.

Min, Max measurement limit functions with visual and vibrate alert.


Materials Velocities: from 1,000 – 9,000 m/s (0.0390 – 0.3543 in/us)

Accuracy: ±0.05 mm (±0.002”)

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

Measurement Range in Steel: 1 – 250mm (0.040 in. – 10 in.) depending on selected probe and configuration, material and temperature

Connector: 1 x Lemo 1S Power 3 x AA / R6 batteries


Ship surveys

Plant maintenance

Structural integrity inspection

Marine inspections

Product Enquiry

Case Studies
Unique Group Provides Multi-beam Echo Sounder for Searching Underwater Rock Art in Australia  
Survey Equipment Australia
Read More
Marine Magnetometer aids in closure of missing woman case in South Dakota
Survey Equipment USA
Read More
Turnkey Survey Equipment package delivered to Sandock Austral Shipyards as part of the Renewal of the South African Navy Hydrographic Capability
Survey Equipment South Africa
Read More