Description
ENIGMA® SMART, POWERFUL, AND BUILT TO LISTEN WHERE & when IT MATTERS MOST.
Enigma Hydrophone Logger is a variant of the standard Enigma multi-point correlation logger that has been further optimized for leak location in plastic and large diameter pipes 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.
NARROW BAND FILTERING
FILTERINGThe Narrow Band Filter tool automatically ‘sweeps’ the frequency range and produces multiple correlations in different frequency band. The technique can enable results when operating over longer distances and large diameter mains.
MULTI-POINT CORRELATION
Enigma Hydrophone loggers are deployed during normal working hours at multiple insertion points along a main. Enigma-hyQ gives optimum performance by recording the leak sound at night – when background acoustic noise is lowest and water pressure is usually highest.
When retrieved the leak sound is transferred to the host software where it is processed to display leak positions.
Programming and data read-back utilizes optical and USB communications to ensure rapid operation
OPTIMUM DESIGN
For detecting quiet leaks Enigma is designed with the lowest possible ‘electronic noise floor’ – the lowest random noise generated within the logger’s semiconductors. This is coupled to the ability to process very low frequency signals.
