How do Water Leak Detectors work?

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Water leak detection equipment can be broadly divided into three categories:

1. Sound – the detector allows the identification of the leak noise produced by pressurized water escaping the pipe.This is the oldest and most widely used method.

2. Tracer gas – the detector picks up traces of a gas, normally Helium or a mix of Nitrogen (approx 97-98%) + Hydrogen (2-3%). Good alternative to sound in noisy environments or small leaks.

3. Temperature – the detector identifies small temperature differences in the ground caused by the water leaking – only works when there is enough differential between the water and the ground around it. Useful in hot water systems where there is enough temperature diferential.

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