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Test Safely!
We support the safer testing practices of using an inert gas such as nitrogen, as the carrier gas for the smoke vapor, when testing a vehicle’s fuel vapor recovery (EVAP) system. In fact, virtually all automakers that have approved the use of smoke vapor technology recommend or require the use of nitrogen.
See SAE International Technical Papers on potential EVAP-testing hazards when using 'air' instead of nitrogen.
For Gasoline vehicles:
http://www.sae.org/technical/papers/2007-01-1235
For Ethanol (E85) vehicles:
http://www.sae.org/technical/papers/2008-01-0554
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For years, ultraviolet-activated fluorescent dye has been the 'standard' for reliable leak detection in systems that contain a liquid carrier; such as systems with Freon or hydraulic fluids. However, up until now, these fluorescent dies could not be used in systems that did not contain a liquid (dry systems) because the liquid was required to be the 'carrier' for the fluorescent dye.
Our revolutionary patented chemical and method for delivering the ultraviolet-activated Diagnostic Smoke® vapor eliminates liquid carriers from the process. UltraTraceUV® is a solution containing a special fluorescent dye chemical, used in combination with most of the machines using STAR technology, that when vaporized produces a Diagnostic Smoke® vapor that takes the fluorescent dye air-borne. This technology actually suspends the fluorescent dye in the Diagnostic Smoke® vapor to carry it directly to leaks wherever they may be. Now any 'dry system' can be leak tested. And pinpointing the leaks is simple; just introduce the Diagnostic Smoke® vapor containing UltraTraceUV® dye solution into any dry system suspected of having leaks. Then simply look for the exiting smoke or shine an ultraviolet light and look for the fluorescent deposit marking the exact location of the leaks. This method will allow you to use ultraviolet-based leak detection in systems never before possible. Most industries can benefit from this technology.
The Diagnostic Smoke® vapor can be generated using compressed air; or any non-combustible gas - such as nitrogen - when testing potentially volatile systems such as a vehicle’s fuel vapor recovery (EVAP) system.
Other leak detection applications include virtually any system that does not contain a liquid. In an automotive system this may include the vacuum and exhaust systems of a vehicle; brake boosters, cooling systems, turbochargers, intercoolers, diaphragms and gaskets. With a special adapter, the Diagnostic Smoke® vapor can be used to determine wind and water leaks entering the vehicle’s passenger or luggage compartments.
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