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Ground Microphone Articles & Analysis
9 articles found
When it comes to the water crisis, the issues that you’re likely to experience will depend on where you are in the world. Some places have too much water, some places have too little. Others still may have the appropriate amount of water but mismanagement of resources is what’s putting pressure on supplies. In the UK, part of the problem with water stress and scarcity is wastage, ...
In late February 2020, Leakage Engineers at Affinity Water were tasked with locating the source of a visible leak in the High Street of a small village in Hertfordshire. On the face of it, it seemed like a straightforward problem to fix, but excavations at the site revealed only that the water was escaping from a redundant gas main and that the leak location could be much further away. A ...
Acoustic logging technology is not new, ground microphones and hydrophones have been used for some time. Traditionally this has been on a lift-and-shift basis – the network operator identifies an area with leakage, acoustic logging equipment is installed and once the leak is found, the kit is moved to a new site. ...
ByOvarro
The sound that spreads along the pipe can now be located on the surface using the ground microphone of the AQUAPHON A 200. Electro-acoustic detection normally calls for plenty of experience and good hearing. ...
The increase in the NRW percentage is due to a 50% reduction in total consumption; our water loss has remained constant. The ground is limestone, which means that almost no leak is visible on the surface as there is always good drainage. ...
The town of Eislingen in Southern Germany has practiced Active Leakage Control for many years with a team of two equipped with a ground microphone and correlator who drive around in a van searching for leaks. ...
In 2006 the Calgary Water Authority in Canada engaged a British consultancy firm called “Hydrosave” to assist them reduce their leakage from 12% of all water supplied and ILI ratings of 4 – 8 between the different ...
Stay tuned for our next write up about water leak detection systems: walking around until your feet get wet, divining rods, ground and valve microphones, coorelators, infrared, and in line ...
Once the leak is located with the trunk main correlator, it should be pin pointed with an Aquascope 3 ground microphone or electronic listening stick. The ground microphone will perform better on low frequency leaks and the electronic listening stick will perform better on high frequency leaks. ...