Ultrasonic Digital Thickness Gauge, Datalogging, Model 3 by Cygnus

Ultrasonic Digital Thickness Gauge, Datalogging, Model 3 by Cygnus
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  • Simple Linear Data Logging mode with a capacity of up to 5000 points in each record
  • Grid Based Data Logging mode uses simple XY grids for up to 5000 points
  • Template Based Data Logging mode features definable measurement points, minimum and reference thickness values and up to 40 configurable user fields to collect additional information
  • Facility to add additional radial measurements around any chosen point
  • Alphanumeric data entry via phone style keys
  • Auto-Log function automatically logs stable thickness measurements for one-handed operation
  • Data stored on internal SD memory card for security
  • Velocity Lookup Table can be customised by the user
  • USB connection to computer without driver installation
  • Supplied with:
    - Data Logger Manager software for generating reports and transferring data between the gauge and computer
    - Microsoft Excel add-in to easily import data into blank worksheets or Excel templates
  • Super-bright multi-colour LED gives visual feedback
  • Housed in a rugged, IP65 rated aluminium enclosure
  • Gauge senses probe type and automatically adjusts setting for optimum performance
  • LCD graphic display with automatic white backlight
  • Simple gauge and menu operation
  • Secure, twist-to-lock probe connection (BNC)
  • ”Deep Coat” mode for coatings up to 20 mm (3/4") thick
  • Protective silicone sleeve offers maximum protection
  • Rugged probe cable designed for superior flexibility.



  • 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.


With multiple echo, readings are taken by measuring the time delay between any three consecutive backwall echos. The time of T1 (coating thickness) is ignored. The times of T2 and T3 are equal to the time that it takes to travel through the metal. Only by looking at three echoes can the measurements be automatically verified (where T2 = T3).


Kit Contents
  • Instrument
  • 2.25 MHz x 1/2") diameter probe
  • operation manual
  • carry case
  • protective silicone sleeve
  • adjustable neck strap
  • accessory
  • pouch
  • couplant gel
  • spare membranes
  • membrane couplant
  • membrane locking ring key
  • test block, 3 x AA Procell batteries
  • software
  • USB cable and optional belt/harness clip