Gutermann AquaScan 620L Water Leak Locating Correlator
The Gutermann AquaScan 620L is a laptop based leak noise correlator for pinpointing leaks in water mains. It pairs cordless sensor transmitters built on the technology of the AquaScan 610 with automatic analysis software so operators can locate leaks quickly without manual filter tuning. Gutermann describes it as universally applicable and your correlator of choice for all standard situations. Gutermann AG of Zug Switzerland has specialized in acoustic leak detection for more than 60 years.
Key Features
- Automatic “Auto Filter” software: removes the need to play with manual filters when trying to identify possible leak noise and can even pinpoint multiple leaks in a single correlation
- Easy-to-use interface: built on Gutermann Java based software platform with the same simple user interface as the top range AquaScan TM2
- Entirely cordless: uses the proven cordless sensor technology of the AquaScan 610 which meets strict utility and contractor health and safety rules and public street works requirements and keeps the kit compact
- Long-distance correlation: suited to long distance medium to large diameter leaks according to a Japanese distributor
- Waterproof sensors: described as completely waterproof and safe to use even in submerged manholes
- Notch filtering: removes electrical mains noise and its higher harmonics from the sound spectrum
- Hydrophone compatibility: can be used with Gutermann stainless steel hydrophone sensors for extra sensitivity on plastic pipes and larger diameters
- Works on all materials: strong accurate results on metal and plastic pipes
- Receiver with laptop link: the correlator receiver connects to your laptop with a vehicle mount antenna and the kit includes stereo headphones
- Free updates for life: firmware and software updates are free for the life of the product
Typical Applications
- Locating leaks on water mains and service pipes
- Leak surveys on plastic pipe and larger diameter mains
- Multi leak situations where several leaks lie along one pipe section
- Utility and contractor water loss reduction programs
- Verifying repairs after leak fixes
Why Choose It
The Gutermann AquaScan 620L takes the guesswork out of correlation. Automatic filtering delivers clear answers for beginners and experienced operators alike and the cordless sensors make for a compact, safe, quick to deploy kit.





