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Find Out More about Enigma-hyQ


Home » Enigma-hyQ

Optimised for location on large diameter pipes and plastic pipes

Enigma-hyQ is a variant of the standard Enigma multi-point correlation logger that has been further optimised for leak location in large diameter pipes and over longer distances. A high sensitivity hydrophone is used (directly detects the pressure wave in the water) coupled with the application of narrow band filtering.

Multi-point Correlation

Enigma-hyQ loggers are deployed during normal working hours at multiple insertion points along the pipe. Enigma-hyQ gives an optimum performance by recording the leak sound at night – when background acoustic noise is lowest and water pressure is usually highest.

Infrared and USB communications to ensure rapid operation.

Avoids costly night-time working

Enigma loggers record the actual leak sound. When retrieved the leak sound is transferred to the host software where it is processed to display all leak positions between loggers.

Consistently finds difficult leaks

The Enigma has a proven track record of finding leaks that competing products cannot find. It provides the optimum in correlation technologies available.

Key features

  • High sensitivity hydrophone
  • Narrow band filtering technique
  • Very low electronic ‘noise floor’
  • Records acoustic data at night
  • Multiple recording ‘epochs’


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PrimeTouch Apps

Leak locations applications  on one platform

  • Eureka3 – Off-line multiple sensor correlation for optimum performance
  • Enigma- Real-time correlation for leak pinpointing
  • Mikron3 – Leak position confirmation using ground microphone
Enigma-hyQ Schematic

“Absolutely magic result, Shaun and I did say on the day of the trial that if there is a leak where indicated we would be very impressed. What can I say!!!! Bang on and over that distance, really impressed. It’s the only kit that I have seen work on plastic, not to mention the distance. All the hard work on the day has proved dividends.” Paul Cunliffe, Regional Leakage Team Leader, United Utilities,