Sewerin Variotec 460 Tracergas Finding water leaks using hydrogen tracer gas

Sewerin Variotec tracer gas being used to find water leaks in water pipes. The pipe is filled with tracer gas (hydrogen/Nitrogen mix). The gas escapes at the leakage point and is detected on the surface of the ground with a very sensitive gas detector, the Variotec 460. This technique is a well proven and very successful method of finding leaks in water pipes both outside and inside houses by plumbers and water network technicians