Acoustic & Sonar
Leak-Noise Correlation
Two sensors and math that calculate a leak's exact position.
Serving BC since 1999
Non-invasive detection
Insurance-ready reports
Rapid response across BC
What is leak-noise correlation?
A leak-noise correlator places sensors at two points on a pipe and measures the tiny time difference between the leak sound arriving at each. Knowing the pipe length and material, it calculates precisely where along the run the leak is — the most accurate way to locate a buried mains or service-line leak.
How it works
- 1Sensors are attached at two access points on the line.
- 2Each sensor times the arrival of the leak sound.
- 3The correlator uses the time difference and pipe data to compute the leak position.
- 4We mark the calculated spot on the surface for excavation.
Advantages
Highest accuracy on buried mains
Works over long pipe runs
Reduces excavation to a single pit
Ideal for noisy or deep environments
Where we use it
Underground & Water Main Leak DetectionFind buried supply, irrigation and water-main leaks without trenchingAcoustic Leak DetectionListening equipment that hears pressurised leaks underground and in wallsIndustrial & Institutional Leak DetectionLeak detection for plants, warehouses and institutional facilitiesCommercial Leak DetectionMinimal-disruption leak detection for businesses and facilities
Leak Correlation — FAQs
What makes correlation so accurate?
It measures the physical travel time of sound between two known points, turning the leak location into a precise calculation rather than a judgement call.
Do you need two access points?
Yes — correlation requires contact at two points on the line, such as two hydrants, valves or fittings.
Other detection technologies
Infrared Thermal ImagingHigh-resolution infrared cameras that map moisture by temperatureInfrared Roof Moisture ScanningThermal surveys that reveal wet insulation under flat roofsThermal Radiant-Loop MappingSee in-floor heating loops and find their cold-spot faultsAcoustic Leak DetectionSensitive listening equipment that hears escaping waterGround Microphone SurveyingSurface listening to localise buried leaks point by pointUltrasonic Leak DetectionDetect the ultrasound of gas and pressurised leaks
Put the right technology on your leak
Call 604-239-9934 — serving British Columbia since 1999.