leakage detection microphone Articles

  • Case study - Germany/Eislingen - Permanent leakage monitoring is the fastest way to reduce leakage

    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. As many of the pipes are one hundred years they had a good success rate often finding leaks. With two hundred and forty kilometers in the network, there is a large area for one team to cover ...

    By Gutermann AG

  • Case study - Aquascope 3 can be used by inexperienced operators to find 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 DMAs. The temperature in Calgary gets down to -40 degrees Celcius in the winter and the water board’s staff are fully occupied in winter, however in summer ...

    By Gutermann AG

  • 50th anniversary of world`s first sound level meter

    Sound Level Meter Celebrates 50th Anniversary 2010 is the year we celebrate the 50th anniversary of Type 2203, the mother of all sound level meters. It was the world’s first precision hand-held and transitorised sound level meter. Produced for 21 years, it sold a record number of 17300 units. With its upgrades Type 2204 (Impulse time constant) and 2209 (peak detector), it accounted for a ...

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