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Measuring technology for tightness tests: reliable leak detection

Checking life jackets, wetsuits and protective gear with LD6000

When checking the tightness of survival suits, life jackets, diving equipment and protective suits there can only be 100 per cent certainty, for less means: none at all. Testing companies, specialized in the inspection of such protective clothing, therefore depend on a reliable measuring device operating according to the tracer gas method. The LD6000 is one such measuring device.

Tracer gas measurements, also called trace gas measurements, constitute a tried and tested method for detecting minor leakages. The gas is introduced to the testing area, e.g. an immersion suit, and a highly sensitive sensor indicates potential leaks by means of an acoustic signal from the measuring device. Besides many other applications the trace gas measurement is hence also suited for the tightness test of protective clothing.

The measuring device works with an eco-friendly trace gas mixture

The combination detector LD6000 from the Trotec range of measuring devices uses a trace gas mixture of hydrogen and nitrogen for tightness testing. Analyses of the physical characteristics of gases relevant for leak detection have shown that hydrogen is way superior to other gases. It is not only the lightest, but also the least expensive of all trace gases. Moreover, it is perfectly safe when used while diluted with nitrogen. And absolute safety is the most important thing when testing the tightness of inflatable life jackets as well as wetsuits, protective and survival suits. The LD6000 uses a gas mixture of 5 % hydrogen and 95 % nitrogen. This environmentally sound mixture of gases is incombustible, non-toxic and not corrosive.

Well-suited for mobile tightness testing on ships

Originally the LD6000 was developed for the non-destructive leak detection of fine and ultrafine leaks in pipelines and on flat roofs, for the location of cable breaks as well as for leak detection in hydraulic and pneumatic systems, in containers, valves, heat exchangers, buildings and boats. The measuring device's range of applications however extends from the naval and offshore sector to safety checks of life jackets, wetsuits, immersion and hazmat suits with MED approval. The aluminium housing of the leak detector is dust- and splash-proof according to IP54 type of protection. With its handy dimensions of 21 x 16 x 6 cm and a weight of approx. 1 kg incl. carry bag the measuring device is also suited for mobile applications aboard a ship and in field operation.

Effective inspections of life jackets, survival suits and protective clothing

The LD6000 is so very safe and effective, because the measuring device reacts extremely fast to the gas during the tightness test: The electronic sensor immediately responds to emerging trace gas in less than a second. The acoustic signal then quickly fades away, so that a new measurement can be performed forthwith. Not only for safety-related reasons is this hydrogen leakage measuring device suited for the application in certified testing companies, but also because with it the inspector can effectively check protective equipment, life vests and survival suits. The acquisition costs for the LD6000 are thus quickly redeemed as well.

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