Cygnus Mini ROV Mountable

Ultrasonic Thickness Tester

For mounting onto small observation remote operated vehicles, this ultrasonic thickness tester allows operators to carry out ROV inspection, repair and maintenance work in areas that would have otherwise been unsafe for divers or impossible using larger ROVs. And as with all Cygnus metal thickness testers, the Mini ROV ultrasonic thickness tester uses the Multiple-Echo technique for accurate and self-verified readings without having to remove protective coatings.

Key features of the Cygnus Mini ROV Mountable ultrasonic thickness tester include:

  • Multiple-Echo for accurate through-coat measurements, as specified by Classification Societies
  • Supplied with CygLink to display and process measurements on a computer at the surface
  • Easy calibration at the surface via CygLink or Topside Repeater (TSR) unit
  • Optional TSR unit allowing readings to be displayed remotely and superimposed onto ROV’s camera screen
  • Optional purpose-built ROV probe handlers for optimal alignment.

Key benefits of the Cygnus pioneered Multiple-Echo technique include:

  • Measures remaining metal thickness on corroded and coated structures
  • All measurements are error checked using 3 return echoes to give repeatable, reliable results
  • Accepted by all major classification societies
  • Greatly reduces inspection time and costs
  • Echo strength indicator to aid measurement.

CygLink Software

CygLink is a Windows® application that allows remote viewing, control and data logging of the Mini ROV IRM (inspection, repair and maintenance) tester. The software can generate survey reports in PDF or export to a CSV file. Designed for Windows® 7 and above.

Cygnus Mini ROV used on Blueye X3

 

Cygnus Mini ROV used on DeepTrekker DTG3

MaterialsVelocities between 1,000 and 9,995 m/s
Measurement Range in Steel1 – 250 mm depending on selected probe and configuration, material and temperature
Accuracy±0.1 mm or 0.1% of thickness measurement, whichever is greatest, when calibrated in accordance with Cygnus Instruments calibration procedure
Resolution0.1 or 0.05 mm (selectable)
Probe OptionsSingle crystal probes
Power7.5 – 30 V DC @ 150 mA (max)
DisplayPC or laptop with VGA (not included)
Size160 x 62 mm
Weight in Air550 g
Operating Temp.-10°C to +50°C
ApprovalsRINA Type approved
TestingTested to 500 m depth
CommunicationRS-422, Simplex Single Pair or 2400 Baud (RS-232 9600 Baud output available as special order)
StandardsDesigned for EN 15317
ComplianceCE, UKCA, RoHS
Warranty3 years on tester
6 months on probe

Instrument body, nosecone torque bar, operation manual, CygLink on USB, membrane couplant, test lead, 9 way D-type connector, impulse plug to fly leads, impulse blanking plug, O-rings, silicone grease, K3 RS-422/485 to RS-232 converter, RS-232 to USB converter, K3 manual, documents and warranty letter, probe assembly, including; spare membranes and membrane key, sample test block.

Weight5 kg
Kit

Cygnus Mini ROV Mountable Gauge Standard Kit with 2.25MHz 13mm Standard Probe, Cygnus Mini ROV Mountable Gauge Standard Kit WITHOUT PROBE

Engineered Probe Handling Solutions

To complement the Cygnus Mini ROV Mountable ultrasonic thickness tester, Cygnus have engineering 2 probe handlers:

  • G1 for use on observation, inspection and light work-class ROVs
  • S1 for use on ROVs performing UTM surveys on ship hulls.

TSR Remote Display Unit

The TSR is a remote display unit connected to the tester using an umbilical cable and displays thickness measurements at the surface, in real-time, during the ROV IRM (inspection, repair and maintenance) in water survey.

TSR with Video Overlay

The TSR can also overlay the real-time thickness measurements on to a composite video signal, displaying it on the survey monitor screen. It will also then be recorded (if there is a video of the survey), showing exact locations and the thickness measurement for future reference.

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