Ultrasonic Fastener Measurement

CT Wave

About the CT Wave Ultrasonic Fastner Measurement Tool

CT Wave is the first cost-effective Ultrasonic Measurement system designed to effectively monitor your fasteners during assembly as well as over time. CT Wave can measure the elongation very accurately in fasteners of virtually any material from 1/2” (30cm) to 8” (2.4m) in length.


  • Weight 13.5oz (380g)
  • Width 2.5” (63.5mm)
  • Height 6.5” (165mm)
  • Depth 1.24” (31.5mm)

Transducer Types

  • Single element (1 MHz to 10 MHz & 1/8” to 1” diameters)
  • Standard 10 foot cable
  • Custom transducers available for special applications
  • Temperature probe for automatic temperature compensation

Measuring Range

  • Time—Nanoseconds
  • From 1”- 98” (25-244 cm) bolts
  • Elongation—Change in length (inch)
  • Load—Force load applied (kPSI or MPa)
  • Stress—Force for unit area stress applied inches per inch (millimeters per millimeter)


  • Imperial & Metric
  • Fahrenheit & Celsius

Operating Temperature

  • 14º to 140ºF (-10º to 60ºC)