gas detectors, gas leak detection, thermal imaging

Equipment Used

Gas Leak Detection(Gas Detector / Tracer Gas)

With the gas leak detection technique, a non-toxic, water insoluble and lighter-than-air gas, such as helium or hydrogen, is injected into an isolated segment of a water pipe. The tracer gas escapes at a leak opening and then, being lighter than air, permeates to the surface through the soil and pavement. The leak is located by scanning the ground surface directly above the pipe with a highly sensitive gas detector.

Small Leak water wasting table

1) With the water supply turned off, a plumbing fitting such as a tap is removed and a hose from the gas cylinder is attached to piping network at this point. The gas is then turned on and allowed to flow freely into the piping system. If there is no leak the piping system will hold pressure, if there is a leak the gas will start to flow out of the pipe work at the leak. The result is that this gas filters through the ground/concrete or what ever the covering, to the surface. At the surface we then trace this gas with a specialised gas sensor.

Leak Detector

2) With the water supply on, gas is injected under pressure into the water system. The gas is then held in solution in the water while under pressure and when it gets to the leak there is no further pressure to hold the gas in solution, it now breaks away from the water particle and come to the surface in the same way as it did above. This method can only be done by qualified and trained staff.

Electronic Listening Devices

Electronic Listening DeviceThis equipment is used for listening for water movement in water pipes. Leaks can be isolated to a particular area of the property using these devices.

Thermal Imaging

Thermal Imaging Equipment With the gas leak detection technique, a non-toxic, water insoluble and lighter-than-air gas, such as helium or hydrogen, is injected into an isolated segment of a water pipe. The tracer gas escapes at a leak opening and then, being lighter than air, permeates to the surface through the soil and pavement. The leak is located by scanning the ground surface directly above the pipe with a highly sensitive gas detector.

Visual Inspections can only reveal so much, with thermal imaging or better known as infrared scanning we can see behind obstacles such as walls and floors without being destructive. Thermal imaging cameras use infrared scanning technology to compare the relative temperature of one object to that of its surroundings. These thermal images can reveal problems with moisture, electrical systems, mechanical overheating of motors / machinery as well as problems with insulation, structural, plumbing and can even reveal insect infestations.

Pipe Thermal Image

Pipe Thermal Image

Thermal Image

Thermal photography offers prospective buyers and building owners great services such as to spot potential risks and identify energy saving opportunities. Infrared scanning is extremely useful for older homes where drafts, plumbing and electrical issues are more prevalent. A home is often the most expensive purchase you'll make in a lifetime, don't skimp on the thermal photography inspection. No one wants to buy somebody else's problems. The use of a thermal imaging is only one part of the inspection, the second part is you need to be able to properly interpret the infrared images. Incorrect interpretation of the infrared scanning can mean missing problems in the house as well as pointing out defects that are not actually there.

Check for Leaks

1. Turn off all your taps and other water-using fixtures to make sure that no water is running.

2. Locate your council water meter and see if the meter is turning when no water is used.

3. If the meter is still turning, check toilets by holding a piece of toilet paper at the back of the toilet pan to see if there is water flowing.

4. Can't find a leak yourself, call us, we use one or a combination of the above proven leak detection methods.

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