Profile: Cygnus Instruments Ltd is a manufacturer of digital ultrasonic thickness gauges employing the Cygnus-Pioneered multiple echo technique to give accurate, error-checked metal thickness measurements through coatings. Our range of thickness gauges includes wrist-mountable Cygnus DIVE with live A-scan display for thickness measurement verification, the RINA approved underwater model designed for divers taking thickness measurements up to 300 meter depth, ATEX certified intrinsically safe model, Cygnus 2 hands free model engineered for rope access applications, highly versatile Cygnus 4 with a large LCD display, simple-to-use keypad and menu, data logger model enabling easy logging of measurements of symmetrical structures, ROV mountable series with probe handling solutions and heavy duty model. In addition to thickness gauges, we carry two other ultrasonic product lines of Cygnus hatch sure for testing weather tightness of hatch covers and CygScopes R and RD industrial leak detectors.