We are the Experts in Acoustic Ultrasound.

Since 1989, CTRL has been designing, manufacturing, and integrating acoustic ultrasound solutions for our clients around the world. Through CTRL's industry-leading acoustic ultrasound sensors, supported by comprehensive training and cloud-based data management SaaS, we help to improve and sustain our clients’ production reliability while reducing energy costs.


Our ultrasound condition-based monitoring (CBM) takes place in a non-destructive testing (NDT) environment, allowing users to inspect and accurately monitor assets while equipment is fully operational. Our hardware is supported by in-person and cloud-based training, as well as a first-of-its-kind data management platform: InCTRL. The CTRL approach to acoustic ultrasound CBM is viable for a single-site operation or a global multi-site organization


CTRL’s ultrasound reliability program is implemented through a turnkey process that results in production reliability, quality control, safety, and improved energy savings. CTRL Systems, Inc. is dedicated to helping your organization quickly integrate advanced ultrasound technologies to enhance operational efficiency, increase cost effectiveness, and achieve superior reliability results.





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Acoustic Ultrasound Monitoring

Keeps You Ahead of the Curve.

DIPF Curve Chart for Asset Monitoring

CTRL’s UL101 Ultrasound Listening Device (ULD) is more than just a leak detector. Acoustic ultrasound technology is a first line of defense against asset failure. As an important component in a reliability-centered maintenance program (RCM), acoustic ultrasound enables users to monitor asset lubrication and take proactive steps to maintain efficient, on-time operation.


The benefits don’t end with reliability. Acoustic Ultrasound Condition-based Monitoring (CBM) offers the earliest indicator of change in an asset's operating conditions. Ultrasound CBM can help detect asset failure before it occurs, making the technology a valuable first line of defense in any predictive maintenance (PdM) program. 

The Clearest Signal. The Best Results.

At top, spectral analysis shows a sound sample collected at a steam trap by a CTRL UL101 device. The bottom three waveforms show sound samples collected by competitive devices at the same steam trap. The excess sound in the bottom three samples is created, in part, by the internal workings of the competitive devices.

Our UL101 ultrasound listening devices (ULDs) have the highest signal-to-noise ratio in the industry. The unique non-heterodyne process of the UL101 serves to eliminate signal interference created by the construction of competitive sensors. Our superior sound quality is ideal for applications ranging from compressed gas leak detection to electrical fault detection. 


Combined with the groundbreaking InCTRL cloud-based data management platform, the UL101 devices are a complete condition-based monitoring (CBM) solution for your organization and a valuable cornerstone to reliability programs around the world. 


CTRL Systems: the Ultrasound Reliability Leader


Browse Best-in-Class Ultrasound Technology and Products.

Find the product that fits your organization's needs.

     UL101 Leak Detector

     UL101 Troubleshooter

     UL101 Electrical Inspector

     Powerbeam 300

     InCTRL Cloud-based SAAS

     Cloud-based Training Portal

     View our Product Catalog


Learn About Industrial Applications for Acoustic Ultrasound.

Learn about CTRL solutions for application-specific needs.

     Leak Detection 

     Mechanical CBM

     Lubrication Monitoring

     Electrical Inspection

     Hydraulic Inspection

     Steam & Valve Inspection

     Container/Tightness Testing


UL101 Boeng Bleed Air Engine.jpg

Discover Acoustic Ultrasound Solutions

By Industry.

See how CTRL can offer solutions designed for your industry. 


     Commercial Aviation

     Power Generation



     Oil & Gas


     and more



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