SeCorrPhon AC 06

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With top level products and services, Sewerin are the market technology leader and a partner to the gas and water supply industry. Together with our 85 years of experience in the development of measuring devices, the knowledge accumulated by our own measuring teams contributes significantly to our success.

Sewerin products and services

At the Gütersloh location, the innovative devices move through development, design, testing and production before they are finally ready for the market. Throughout there is a particular emphasis on high quality and functionality. An important factor in our success is our production in Germany.

The Sewerin group’s gas and water leak detection teams sell measuring devices and services. We also offer stationary and mobile device maintenance service, development of emergency and leakage service vehicles and servicing and repair of home installations. A comprehensive program of seminars with our own test track rounds out our spectrum of services.

A successful global offering

An extensive distribution network consisting of sales engineers, subsidiaries as well as distribution partners makes success on a global level possible.

With Sewerin’s market leading products to locate leaks in water and gas distribution networks we are a leading supplier to the gas and water supply industry. Our core business is the development, production and global distribution of electronic measuring instruments for locating, measuring and warning of both gas and water leaks.

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Portable Correlator with “Fully Loaded” Ground Microphone Capabilities

What is correlation? Precise water leak location with Digital Signal Processing

Correlation is a method for finding and pinpointing leaks in pipes.

A leak in a pipe under pressure creates noise that travels along the pipe, its contents, and through the surrounding ground.

When two highly sensitive microphones are attached to a pipe with a leak betwen them the sound from the leak takes longer to travel to the microphone furthest from the leak, the “time delay” or ∆t.

Utilising this and other known information (pipe diameter, material and length), the exact leak position can be automatically calculated by the correlator SeCorrPhon® AC06

Two highly sensitive microphones are attached by magnet, or valve adaptors, to suitable listening positions such as hydrants, valves, the pipe walls or even directly into the water column using hydrophone sensors. The leak must be between the two microphones. As long as the leak noise can be “heard” and recognised by both microphones (correlated)  the SeCorrPhon AC 06 can process and analyse the resulting information.

The sounds picked up by the microphones are transmitted via two powerful 500 mW radio transmitters to the lightweight central processing unit SeCorrPhon AC 06 Digital Signal Processor where the noise information is quickly analysed & the resulting leak position is displayed both graphically and numerically, as metres to the leak from each sensor.

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