Water Leak Detectors

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Tracer Electronics LLC offers a complete range of professional water leak detection products, from acoustical and H₂ tracer gas detectors to water leak correlators, lift-and-shift devices, and permanent radio noise loggers. We focus on sales and support for Sewerin and Fisher Labs models. We service most major brands.

  • Acoustical Leak Detector

    Professional models come with all features and include essential accessories for both contact and ground mic work.

    AquaTest T10

    The AquaTest T10 from Sewerin is a leading, fully wireless water leak detector with a test-rod-style design and acoustic functionality. It is the first to feature an integrated microphone and innovative test rod technology, which provides superior sound quality. Its easy-to-read display and ergonomic test rod eliminate all external wires and jacks, making it one of the most popular leak detectors available today. In addition to Sewerin's SDR wireless headphone technology and its audible filter features, the display uses the standard Sewerin numerical and barograph style. The Sewerin method always shows the current and previous minimum noise levels as numeric values. The actual noise level is also indicated numerically, giving less-experienced users a visual cue and helping them locate leaks.

    Aquaphon A50

    The Aquaphon A50 from Sewerin is a professional-grade acoustical water leak detector. It is an ideal choice for leak detection experts who need a durable device for daily use on the job site, prefer wired microphone connections, and want a belt-mounted display. The Aquaphon A50 is available with either wired or wireless SDR headphones. Along with Sewerin's SDR wireless headphone technology and audible filter features, the display shows a standard Sewerin numerical and barograph style. This method always displays the current and previous minimum noise levels as numeric values. The actual noise level is shown numerically. This approach provides less-experienced users with a visual cue and assists in pinpointing leaks.

    Aquaphon A150

    The Aquaphon A150 acoustical water leak detector from Sewerin offers professional-level performance while remaining easy to use. The Aquaphon A150 features a compact, lightweight receiver, SDR wireless headphone technology, and TS150 wired test rod technology that supports the same high-performance microphones as the A200 series, making it the top-performing leak detector in its class. The Aquaphon A150 is an ideal choice for professionals seeking the performance of the A200 at a more affordable price.

    Aquaphon A200

    The Aquaphon A200 professional from Sewerin is the most advanced and comprehensive acoustical water leak detector ever created. It features fully wireless technology, including Sewerin's SDR wireless headphones and TS200 wireless test rod, along with industry-leading microphones. The A200's controller has a large 5.7-inch VGA color touchscreen that offers excellent readability in direct sunlight and can be used while wearing gloves. It also includes innovative automatic filter-scanning technology that reducing noise with a single press and records leak sounds for later review. For professionals seeking the best acoustical leak detector available today, the Aquaphon A200 is the top choice.

    SeCorrPhon AC200

    The SeCorrPhon AC200 from Sewerin is a versatile professional leak detection system that combines the industry's top acoustical leak detector (Aquaphon A200) with the leading water leak correlator (SeCorr C200). All components fit into a single rugged carry case with one power plug to recharge everything at once. The AC200 controller easily switches between an acoustical leak detector and a water leak correlator with just a button press and microphone selection. For any professional seeking the best complete leak detection system available today, the SeCorrPhon AC200 is the ideal choice.

    XLT-17

    The XLT-17 acoustical leak detector from Fisher Labs is an affordable device that features an analog display. This model has been part of the Fisher lineup for many years.

    XLT-30

    The XLT-30 acoustical leak detector from Fisher uses the Big Foot and Multi-sensor microphones. This device is the most advanced model in the Fisher Labs lineup and can be ordered in various configurations.

  • Acoustical (compact/survey)

    Compact models are ideal for leak-detection surveys and plumbers seeking a more affordable system.

    Stethophon 04

    The Stethophon 04 from Sewerin is a fully equipped compact leak detector that features a built-in contact microphone for clear sound reproduction, even when the noise is barely audible. The Stethophon 04 can be used with either wired headphones or Sewerin SDR wireless headphones. Sewerin SDR wireless digital signal processing technology prevents acoustic interference, such as hissing or re-amplifying. Each Stethophon 04 includes user-selectable audible filter functions, allowing users to listen to the leak noise frequency while filtering out nuisance sounds.

    XLT-100

    The XLT-100 compact leak detector is an affordable device for leak surveys. It features an attached contact microphone (without a ground microphone).

  • Acoustical & Pipe Locating (building solution)

    A ready-to-use solution for locating water pipes and detecting water leaks in buildings.

    Aquaphon AF50/FG50

    The Sewerin Aquaphon AF50/FG50 is an all-in-one solution based on the Aquaphon A50 and Ferrophon series. It provides leak-detection professionals with a variety of options to accurately locate pipe and water leaks in buildings, all within a single device.

  • (H₂) Gas Tracer System

    Tracer gas is the most effective method when acoustical techniques cannot produce results. Tracer gas isn't affected by ambient noise and will surface directly above the leak.

    Variotec 460

    The Sewerin Variotec 460 leak detector finds leaks that acoustical systems cannot, such as in very deep pipes, loud industrial environments, or new water systems that fail pressure testing. Detecting water leaks with tracer gas involves injecting a mix of 95% nitrogen (N₂) as the carrier gas and 5% hydrogen (H₂) as the traceable agent. The H₂ gas escapes through the leak and is detected above ground by the specialized sensor in the Variotec 460. H₂ tracer gas is non-toxic and non-corrosive, making it safe for use in all drinking water systems. It is environmentally neutral and can permeate cover layers like asphalt, concrete, and other sealants. Hydrogen (H₂), being the lightest and smallest element on the periodic table, always takes the shortest route from the leak to the surface, enabling precise pinpointing of leaks on any surface.

  • Leak Correlators

    Leak Correlators are ideal for systems where users suspect a leak but can't locate it. Correlators can save a lot of time on large projects.

    SeCorr C200

    The SeCorr 200 water leak correlator from Sewerin is the latest and most advanced leak correlator. The SeCorr C200 platform features a large 5.7-inch high-resolution VGA display and a touchscreen that works with gloves. The SeCorr C200 is lightweight and ergonomic, equipped with a sturdy triangular belt that allows for easy carrying over long periods. Wireless headphones enable a fully "cable-free" operation. 

    SeCorrPhon AC200

    The SeCorrPhon AC200 from Sewerin is a versatile professional leak detection system that combines the industry's top acoustical leak detector (Aquaphon A200) with the leading water leak correlator (SeCorr C200). All components fit into a single rugged carry case with one power plug to recharge everything at once. The AC200 controller easily switches between an acoustical leak detector and a water leak correlator with just a button press and microphone selection. For any professional seeking the best complete leak detection system available today, the SeCorrPhon AC200 is the ideal choice.

  • Noise Loggers

    Loggers are ideal for active leak detection programs. Deploy them and retrieve later, and the loggers will inform you if leaks occur. Perfect for large leak detection efforts with small crews. Loggers continue working while employees are off duty.

    SePem 155

    The Sewerin SePem 155 radio noise loggers are the latest in logger technology. The SePem 155's offer class-leading performance and construction. Their stainless steel and durable plastic design meet IP68 standards. They are waterproof and resistant to corrosion, making them suitable for all water distribution systems. SePem 155 loggers come standard with long-life batteries (lasting many years), powerful magnets for attaching to valves, and class-leading sensitivity thanks to its Piezo microphone optimized for water leak detection. SePem 155 can be deployed for both popular "Lift & Shift" applications and semi-permanent "Patrol" applications. Noise loggers are ideal for overnight deployment and for listening for leaks between 2:00 am and 4:00 am when activity is minimal. The SePem 01 Master controller programs the SePem 155 loggers. The SePem 01 master controller is a handheld device that can also be mounted into a vehicle bracket for "Patrol" applications. During Patrol mode or "Drive-by," the SePem 01 controller automatically communicates with the loggers as they come into range via its bidirectional radio link and signals, through an audible tone and visual display, whether a leak is detected. Information such as "Minimum Noise Level" and "Noise Consistency" is highlighted on the display for easy analysis. Loggers that record no leak noise will show zero (-0-). Each SePem 01 Master controller can support up to 500 SePem 155 loggers.

2026 Tracer Electronics LLC

Water Leak Detection Equipment