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CYGNUS UNDERWATER
The Cygnus Underwater is the original diver held subsea multiple echo ultrasonic thickness gauge. It was designed for use by divers undertaking subsea maintenance and surveys 3 decades ago… and today it is still the industry standard.
The unit is depth rated to 300 meters (1,000 ft) and it provides an accurate metal thickness measurement through coatings up to 20 mm (0.787 in) thick using Deep Coat mode (upon request). The bright LED display ensures easy viewing even in poor visibility conditions.
The Cygnus Underwater thickness gauge is supplied ready to use as a complete kit with 2 rechargeable batteries in a protective carry case.
Cygnus Instruments builds all of its equipment in the UK using only genuine and original parts and components – including Lemo® Connectors and Peli® Cases.
- RINA approved (Certificate No. 2009DGPO787)
- Auto Probe Recognition (APR)
- Deep-Coat mode for measuring through coatings up to 20 mm (0.787 in) thick (upon request)
- Easy calibration using convenient buttons
- Rugged, durable, shock-proof construction
- Stable calibration – linear accuracy – no zero adjustment
- Large bright LED display for poor visibility
- Pressure rated to 300 m (1,000 ft) depth
- Heavy duty sealed unit with double ‘O’ ring protection
- Self verification of measurements to ensure accuracy
- Echo strength indicator to aid measurement
- All probes are protected by a membrane to prevent damage
- Various probe options
- Two rechargeable battery packs with charger
- Fixed head probe option for single handed use.
| Materials | Sound velocities between 2000 – 7000 m/s (0.059 – 0.31 in/microsec) – covers virtually all common engineering materials |
| Measurement Range in Steel | 3 – 250 mm (0.110 – 9.995 in) with 2.25 MHz probe 2 – 150 mm (0.065 – 6.000 in) with 3.5 MHz probe 1 – 50 mm (0.045 – 4.000 in) with 5.0 MHz probe |
| Accuracy | 0.1 mm (0.005 in) when calibrated in accordance with Cygnus Instruments calibration procedures |
| Resolution | 0.1 mm (0.005 in) or 0.05 mm (0.002 in) (selectable) |
| Power | NiMH rechargeable battery pack |
| Battery Life | 30 hours (continuously measuring) |
| Display | Large, bright LED display |
| Size | 235 x 75 mm (8 3/8 x 3 in) |
| Weight | 950 g (2.1 lbs) – with probe 860 g (30.3 oz) – with fixed head probe |
| Operating Temp | -10°C to +50°C (14°F to 122°F) |
| Environmental Protection | IPX8 continuous 300 m (984 ft) rating |
| Compliance | CE, British Standard BS EN 15317:2013 (Group 1) |
| Environmental | RoHS, WEEE compliant |
- Cygnus Underwater gauge body
- Lanyard and molykote and Tommy bar
- Two rechargeable NiMH battery backs
- Battery charger and leads
- Probe for Cygnus Underwater , supplied as nosecone assembly with 1 m cable
Membrane couplant - Accessories: spare O-rings; spare membranes; membrane locking ring key; 15 mm test block; torque (“Tommy”) bar; calibration jumper lead.
| Single Crystal Soft-Faced Compression | 6 mm – 5 MHz |
| 13 mm – 2.25, 3.5 or 5 MHz | |
| 19 mm – 2.25 MHz |
TOPSIDE REPEATER OPTIONS
The Topside Repeater is used when the readings need to be verified on the surface. Umbilical cable length is specified by the customer up to a maximum of 1,000 m. There are three options available:
Option A: Palm held surface display repeater with large liquid crystal display in an IP65 sealed case.
Option B: Data logging and remote display Windows based *Cyglink Software. (*For more details, visit the CygLink Software page in PRODUCTS > THICKNESS GAUGING ACCESSORIES section).
Also available, the Cygnus DIVE wrist-mountable underwater thickness gauge as an alternative for diver use. For more information, visit Cygnus DIVE page and watch the Cygnus Instruments underwater ultrasonic thickness gauge video.
