Subsea & Offshore Service Magazine August Issue '13

Page 17

Cygnus Instruments Ltd Ultrasound in Subsea & Offshore Maintenance Ultrasound is part of our daily lives and is used in many applications to control, give warnings and provide measurements. In

the subsea and oil & gas industries, where metal corrosion is a constant challenge,

the Cygnus Instruments range of Multiple Echo through-coating thickness gauges have played a major role in providing a solution to this challenge.

The Digital Multiple Echo Technique, for

remaining metal thickness checks through

have to precisely match before a reading

is depth rated to 300 metres. The Cygnus

and 3rd return echoes largely eliminates

stringent ATEX and CSA rating. This

is displayed. This matching of the 2nd

protective coatings was pioneered by

spurious readings which can be a problem

conjunction with a single crystal probe

The comprehensive range of Cygnus

Cygnus 30 years ago. The technique, in (which ensures a straight beam passage of sound) uses three returning echoes. The 1st is ignored as it contains the coating

thickness while the 2nd and 3rd echoes

represent the time taken to travel through just the metal.

Protective coatings up to 20 mm thick are completely ignored, with Deep Coat mode enabled and the 2nd and 3rd echo timings

on instruments without this technology.

gauges includes an ROV Mountable model, two hand-held models for commercial

divers as well as an explosion proof unit for hazardous environments. The ROV

Mountable gauges are available in 3 depth ratings 500, 2000 and 4000 metre. We also offer probe handlers for use with

them on all types of ROVs. The Cygnus

DIVE wrist-mountable underwater gauge

Intrinsically Safe gauge has the most

means thickness measurement surveys can be conducted without the need for hot work permits or expensive plant shutdown.

All Cygnus Gauges are simple to use,

accurate, reliable and extremely portable.

For more information visit: www.cygnus-instruments.com See us at Offshore Europe on stand 3E65

www.sosmagazine.biz

Cygnus Instruments Ltd Cygnus House, 30 Prince of Wales Road, Dorchester, Dorset. DT1 1PW Main Reception: +44 (0)1305 265533 Email: press@tubetech.com Web: www.tubetech.com

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