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PAC AE News


AMS™ for Early Tube Leak Detection

The Triple 5 AMS™ system for early tube leak detection has been used in conventional power boilers very successfully over the past 20 years. Non-invasive sensors, mounted on the boiler wall, listen for changes in the normal background noise of the boiler that indicates a tube leak.  Read our new Application Brief to learn how the [...]

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Envirocoustics Featured in World Pipelines Article "A Pipeline's Song"

A new article, titled "A Pipeline's Song", has been published in the trade magazine World Pipelines. This article discusses the benefits of Acoustic Emission (AE) technology for use in Non-Destructive Testing of underground piping. A case study, which demonstrated the successful use of MISTRAS AE products to detect leaks in underground piping, is also detailed. Click [...]

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ACTMS™ On-Line Stator Vane Crack Detection

It’s not a question of "if" vanes will crack, but "when". ACTMS™ is the ONLY available monitoring system for the detection and early warning of vane cracking! With easy installation and operation, discover how ACTMS™ provides real-time alarm notification to prevent failure of your combustion turbine. Read More   Read the press release

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Acoustic Emission (AE) Sensors to Monitor Oakland Bay Bridge

MISTRAS has started on the installation of 640 strategically placed acoustic emission sensors mounted on the Oakland Bay Bridge to provide 24/7 remote structural health monitoring to 384 critical eye bars for the early detection of fatigue defects. In the event of an alarm, the new system will contact bridge operating personnel immediately to initiate [...]

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Record 15,000th Acoustic Emission Inspection Report for our PASA Operations!

Our International Division’s South American Unit achieved an extraordinary accomplishment by reaching 15,000 inspection reports of Acoustic Emission integrity evaluation since they were established in 1996. Physical Acoustics South America (PASA) performed inspections on equipment such as oil & gas pressure vessels, storage tanks, reactors, columns, electrical transformers, cranes and others, allowing for a remarkable [...]

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Acoustic Leak Detection & Quantification for Through Valve Leakage

With recent legislation, the Environmental Protection Agency (EPA) has ruled for mandatory tracking and reporting of greenhouse gases for petroleum and natural gas systems. Discover how Acoustic Emission (AE) technology has been developed as a solution for this inspection with both manual testing and permanent installations for the purpose of detecting and quantifying the leak [...]

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In-Service Testing of Refrigerated Storage Tanks & Spheres with AE

When ammonia tanks are taken out of service for inspection and repair, oxygen enters the tank and this tends to restart the stress corrosion cracking process once again. Learn how the non-invasive Acoustic Emission method of tank inspection can offer considerable financial, safety and environmental benefits by providing information on tank integrity without draining or [...]

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Collaborative Cable Corrosion Monitoring Project

The goal of this project is the development of a state-of-the-art corrosion monitoring system to be used in main cables of suspension bridges. This project is a joint collaboration between Columbia University, the Federal Highway Administration, Parsons Transportation Group and Physical Acoustics Corporation (PAC).View the videos: Movie 1, Movie 2

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1284 Wireless AE System

1284 Wireless AE System Versatile low power, field deployable AE instrument that is scalable and provides sensor fusion capabilities, allowing integration of AE data and up to six parametric inputs including one strain gauge. The system was originally designed with bridge and civil infrastructure monitoring in mind, but given its scalability, modularity and ability of [...]

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Express-8 Acoustic Emission System

The Express-8 AE data acquisition board The EXPRESS-8 is a faster, more powerful AE system than its predecessors, fusing an all-new PCI-Express bus with higher channel density and capabilities. It’s an advanced update of the well-known DiSP and PCI-8 boards. In addition to a 20 percent increase in speed, the new chassis (Micro-II Express and Benchtop) [...]

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