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Egytorc – Ultrasonic Bolt Load Monitoring

The echometer ultrasonically measures the elongation, stress and load in fasteners, quickly and accurately, and displays the result on an easy to read screen.

The measurement is achieved by determining the change in the transit time, of an ultrasonic shock wave along the length of the fastener as the fastener is tightened. The unit works with all bolt tightening systems and is used to monitor the fastener during the tightening process to ensure accurate initial loading. The Retained load in the fastener can then be monitored at any time.

Echometer minimises the requirement for extensive operator training.  With built in data recording and reporting through an RS232 interface, the echometer is quick and easy to use and offers a reliable solution to the most difficult bolting problem.


  • Quick and simple to operate.
  • Compact and durable for proven reliability.
  • Minimal operator training required.
  • Provides elongation, load, stress and strain measurements.
  • Accurate and reliable.
  • Designed to complement Boltight bolt tensioning.
  • Easy measure during tightening and monitoring during plant


  • Cost effective.
  • Simple data recording and reporting.

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