The PermaNET+ system from HWM combines Permalog leak noise sensor and our versatile telemetry data technology to create a fixed network to monitor leakage.

Remote programming and changing of all parameters, including sampling frequency.

Once installed, leak data calculated using the proven Permalog algorithm, and secondary data, is transmitted via low cost GPRS or SMS telemetry. This removes the requirement for expensive site visits and “drive by” data retrieval.

Potential Leak Areas Quickly Identified

PermaNET+ allows leakage teams to monitor the status of each logger deployed from map based host software. This can be viewed from any internet enabled device using PermaNETWeb. The system works in conjunction with Google Maps technology to provide a live on screen tracking, allowing leakage teams to respond quickly to problem areas and bring them under control efficiently

Secondary Validation

Once the presence of a leak has been identified, secondary measures can be used to check and remove
‘false positives’ and also to localise the leak position.

Correlation – Audio files are used to correlate remotely to localise the leak position for follow up

Aqualog – Remotely retrieving the Aqualog detailed noise graphic, clearly indicates the consistent presence of a leak.

Audio – For operators who prefer to ‘hear’ their leaks audio files are transferred to the host.





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HWM-Water Ltd
Ty Coch House
Llantarnam Park Way
Cwmbran, NP44 3AW
T: +44 (0) 1633 489 479 F: +44 (0) 1633 877 857 E:
The Queen's Award for Enterprise: Innovation 2017
A Halma company
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