Leak detection

Combined correlator and electro-acoustic water leak detector - Secorrphon AC 06 – Sewerin

Electro-acoustic water leak detection or correlation? Each method has both strengths and limitations.

Cleverly combining all the advantages maximises the certainty of determining the exact location of the leak.

SEWERIN's SeCorrPhon AC 06 makes use of both methods at the same time. 
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Compact listening device for water leak detection Wireless headphones with digital radio - Sethophon 04 – Sewerin

The Stethophon® 04 is a listening device for detecting and amplifying structure-borne noise of all types. It provides undistorted sound reproduction even for very low noise.

In addition to a version with cable headphones, the SDR version with wireless headphones is available. Sewerin Digital Radio (SDR) offers sound transmission of the same quality as with a cable connection. Eliminating the cable increases working comfort significantly. The headphones and the device are automatically connected by bidirectional radio when switched on.
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Electro-Acoustic water Leak detection - AQUAPHON AF100 / A100 - Sewerin

When pressure pipelines leak, water gushes out of the crack into the ground.

The pipe material vibrates at the leakage point. These vibrations are transmitted by the pipe and can also be noticed at distant contact points, e.g. fittings. This is known as structure-borne sound and is made audible by the AQUAPHON® A 100.
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Electro-acoustic water leak detection - Aquaphon® A200 - Sewerin

The Aquaphon A200 from Sewerin is an advanced leak locator allowing the operator to finely filter leak audio frequencies and save leak audio recordings in memory. The A200 also works as a non-metallic pipe locator when used in combination with the CombiPhon noise generator.

Ideal for detecting leaks in water pipe networks
When it comes to detecting leaks in water pipes by electro-acoustic means, the hearing and experience of the user are paramount. The AQUAPHON® system supports and simplifies this detection process thanks to the outstanding quality of its microphone and measuring technology, intelligent analysis functions and the practical, visual representation of results on the display. 
 
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Electro-acoustic water leak detection outdoors - AquaTest T10 – Sewerin

Robust test rod for electro-acoustic water leak detection outdoors.

The AquaTest T10 is a test rod with innovative technology and ergonomic design. Its strength lies in the prelocation of leaks in water pipe networks. 

The AquaTest T10 is the first test rod made by SEWERIN for which no additional receiver is required. The headphones are activated not by any common key but by a special sensor area. The noises that are picked up are visualised on a display incorporated in the handle.

In the product variant with the SDR radio module, the test rod can be used with radio headphones. This means no more cables to get in the way. 
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Gas detection - SePem 100_150 – Sewerin

Noise logger for monitoring water pipe networks: sturdy – convenient – reliable.

Detect water losses early 
Leaks in water pipe networks can result in significant water losses. Thanks to systematic monitoring of the network with SePem® data loggers, you can reliably identify existing leaks and catch new ones early on – much faster than with conventional methods.

Systematic leak detection 
The SePem® system comprises the SePem® 01 Master receiver as well as any number of data loggers; the SePem® 100s are preferable for mobile use whereas the SePem® 150s are designed for permanent use. They are magnetically attached to valve rod extensions, or to hydrants or other fittings in the pipe network. The microphone integrated in the logger converts the structure-borne noise in the line to a sound signal. This is cyclically recorded during times of low consumption – usually during the night between approx. 2:00 am and 4:00 am, when there is very little sound interference in the surrounding area, if any. On a leak-free line the noise level measured during this time is virtually zero. If there is a leak in the pipeline, the noise logger will measure values much different to zero, thus indicating a leak.
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Gas leak detector – Snooper mini - Sewerin

The SNOOPER mini is a robust gas leak detector and is suitable for checking accessible gas lines for external leak tightness. Leaks are determined based on detection at connection points, e.g. fittings, flanges, threaded connections and gas regulator fittings. The gas concentration is displayed in the ppm range. House lead-ins and concealed gas lines in enclosed spaces at air outlets can also be checked.

SEWERIN's SNOOPER mini is a sturdy gas leak detector for inspecting accessible gas lines. Overall, gas leak detectors have a decisive advantage over the leak detection sprays that are still commonly used, in that they not only indicate the presence of a leak, but also the concentration at the leak site.
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Leak gas detection EX-TEC® HS 680 – Sewerin

EX-TEC® HS 680 • 660 • 650 • 610

Combination measuring devices for gas supply with integrated ethane detector.

Sewerin leak gas detection from the EX-TEC HS family combine ergonomics with cutting edge technology. Thanks to its innovative design this range offers the user the right instrument for each different application. All appliances from the EX-TEC® HS family meet the requirements of DVGW Code of Practice 465-4 (German Technical and Scientific Association for Gas and Water).
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Leak gas detection- EX-TEC ® OD4 - Sewerin

Measuring instrument for the detection and quantification odorants (THT) substances.

Natural gas is naturally odorless and for safety reasons, odorous substances are added to it (tetrahydrothiophene). In Germany, the odorant content of natural gases must be tested at least twice a year in accordance with DVGW (German Technical and Scientific Association for Gas and Water) Code of Practice G280/281. The Sewerin leak gas detection- EX-TEC ® OD4 is the ideal measuring device for odorant measurements carried out by gas suppliers. 
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Portable gas detector- EX-TEC® GM 4- Sewerin

Gas warning and gas measuring instrument for detecting toxic gases.

The ideal measuring device for gas and water suppliers, fire brigades, sewage plants, landfills, biogas plants and the chemical industry.

The EX-TEC GM 4 is the perfect partner for both leak detection in pipelines and monitoring the atmospheric air as well as for measuring gases to monitor chemical or biological processes.
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Professional PC correlation – Perfect results with completely digital technology - SeCorr 300 – Sewerin

With the SeCorr® 300, completely digital signal processing and transmission by and large eliminates the interference which so often causes problems in conventional correlators.

The digital radio eradicates the notorious hissing in transmission paths. Even the narrow bandwidth of analogue modules no longer poses a restriction. The noises recorded from the leak are already digitised in the microphone thus eliminating feedback via the cables. This produces significant advantages, particularly in plastic piping, where the noise emitted from the leak is, as a rule, very poorly transmitted and thus very quiet. The result is improved leak coverage in non-metallic piping, which is increasingly used nowadays in water pipe networks.
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Recognition of leaks in water supply networks - SePem01 – Sewerin

Stationary noise loggers for early recognition of leaks in water supply networks.
Securing a drinking water supply and assuring its quality are increasingly important aspects of the water supply industry. Therefore, the operational safety and security of a distribution network are in the best interest of every water supplier.

Leaks must be detected and eliminated as quickly as possible through scheduled maintenance. 
The SePem01 system is a method of pre-location of leakage which reduces greatly the cost of leak detection and hence the cost of maintaining the water network. 

The system analyzes the network through the data provided by several loggers, to determine which sections of the network have no leaks and which sections need to be revised. Thus work teams have their productivity increased with investment decrease in other equipment and materials because maintenance operations will be performed only on sections of the network where leaks were found. 
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SeCorr 08 Correlator for the computer-assisted detection of leaks - Sewerin

The handy and lightweight correlator for effortless work and listening to signals on the receiver – suitable for use in all weather.
Unlike electro-acoustic leak detection in water pipes, correlators work independently of the volume of the leak noises. This means that the intensity of the ambient noise barely affects the measuring procedure.
Successful correlation is therefore even possible during the day on busy roads when electro-acoustic measurement is not an option.
 
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Water and gas leak detection - VARIOTEC® 460 Tracergas – Sewerin

The specialist for leak detection with tracer gas and hydrogen!

The VARIOTEC® 460 Tracergas from Sewerin was developed especially for leak detection on underground pipes by using tracer gas. It is characterised by an outstanding price to performance ratio. 

The extraordinarily low cross sensitivity of the gas-sensitive semiconductor (SC) with regard to moisture and methane ensures an absolutely sure result and a resolution down to 0.1 ppm H2. 
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Water leak detection AQUAPHON A 50 - Sewerin

The reasonable entry-level model for professional acoustic water leak detection: compact – on-hand – efficient.
 
The AQUAPHON® system provides professional, electro-acoustic water leak detection. The A 50 receiver and various microphones make the prelocation and pinpointing of leaks possible. When both microphone and headphones are attached, the device boasts impressively high reproduction quality. The display helps by visualizing the noises to provide reliable, differentiated evaluations.
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