Cygnus manufactures ultrasonic non-destructive testing (NDT) equipment for maintenance and inspection in a wide range of applications including ship surveys, oil & gas platform checks, underwater inspections, hatch cover weather-tightness testing and many more. Cygnus now carries 3 product lines: Ultrasonic Thickness Gauges and an Ultrasonic Hatch Cover Weather Tightness Tester and Ultrasonic Flooded Member Detector.