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Acoustic Ultrasound Solutions for Your Industry

Reliable Technology, Integrated Solutions




Military Applications for Ultrasound Listening Devices (ULDs)

















CTRL technology is being provided to military and other government organizations to meet the critical needs of readiness, improved man-hours, and evaluation of critical systems.

The performance and quality of CTRL's products have been proven and re-affirmed by NASA's selection of the UL101 ultrasound sensor for maintenance and leak detection on the International Space Station and all of the shuttles as well as several platforms by the U.S. military and prime contractors such as Lockheed Martin.




Acoustic Ultrasound in Commercial Aviation

The CTRL UL101 Aviation Troubleshooter, as Recommended in the Aircraft Maintenance Manual (AMM) for all Boeing Commercial Jet Aircraft



















CTRL Systems is proud to be vetted and approved for AOG and life cycle maintenance for all Boeing Commercial jet aircraft.

The CTRL UL101 Aviation Troubleshooter (part number B00033; Boeing Tool Tag SPL-1473) is the ultrasound listening device (ULD) of choice for multiple maintenance applications, as published in the Aircraft Maintenance Manuals (AMMs) for all Boeing Commercial jet aircraft.

Applications include:

  • Pressurization Leak Checks

  • Air Conditioning Leak Checks

  • Bleed Air Check (Engine & Airframe)

  • Hydraulic Bypassing

  • Pitot Static Check

  • Oxygen

  • Leak inspection of Evacuation Slides, Tires & Other Pressure Components




Acoustic Ultrasound in Power Generation and Transmission



















While helium leak testing is the most common leak detection method in the industry, it has many disadvantages, such as having operator-dependent results and the frequent need to calibrate equipment. CTRL Systems is heavily involved with the implementation of acoustic ultrasound technology for leak detection and condition-based monitoring in the power generation and transmission industry.

Acoustic ultrasound detection has become a strong alternative approach for vacuum leak detection. As tested and used by NASA on the International SpaceStation2, acoustic ultrasound leak detection technology is now capable of detecting all turbulent flow gas and vacuum leaks and is used by many power plants for condenser leak detection.


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