Survey Equipment

Cygnus 4+: General Purpose Ultrasonic Thickness Gauge

Availability: Rental, Sale

The Cygnus 4 Plus General Purpose is a small and tough multi-mode ultrasonic thickness gauge which features an A-scan display and simple to use sequential data logging. 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.

Single-Echo and Echo-Echo measuring modes with twin crystal probes for extreme corrosion and back wall pitting.

A-scan display. Wrist mountable.

MSI (Measurement Stability Indicator) used in Single-Echo and Echo-Echo measurement modes.

Simple linear data logging. Intuitive easy to use menu.


0.1 mm (0.005 inch) or 0.01 mm (0.001 inch)

Measurement Range in Steel: 0.8 – 250 mm (0.031 – 10 inch) depending on selected probe and configuration, material and temperature

Connector: 2 x Lemo 00

Power: 3 x AA / R6 batteries


Plant maintenance

Civil engineering

Ship inspections

Oil and

gas facilities


Product Enquiry

Case Studies

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
Oil spill detection radar set up for environmental monitoring
Survey Equipment Oman
Read More