Ultrasound
Five Minute Facts
The Benefit of Time Signal vs FFT for Slow-Speed Bearing Testing
Slow-speed bearings under 300 RPM take a long time to accumulate data when using vibration analysis. Ultrasound can be used as the front-line tool to determine quickly what is occurring...
- Drew Walts
- IRISS
Two Minute Tips
Testing Thermodynamic Disc
When testing steam traps, we first need to make sure our temperature and pressures are set before we use any type of ultrasound. A good disc trap should cycle 4-10 times per minute; a warn disc trap will cycle ...
- Drew Walts
- IRISS
Five Minute Facts
The Ultrasound Approach: VFD Drives and Condition Indicators
VFDs seem to be taking over the world; however, you may hear ultrasound inspectors complain they are having trouble interpreting data. Is there a simple assessment? Find out more in this short video…
- Allan Rienstra
- SDT International
Two Minute Tips
Corona, Tracking, and Arcing
The use of ultrasound for electrical inspection of energized electrical assets has become a big application for…
- Adrian Messer
- UE Systems
Two Minute Tips
How Does High Frequency Help Bearings?
The ability to detect high frequency is inherently important if dealing with pulses and with friction…
- Tom Murphy
- SDT
Two Minute Tips
What’s So Useful About Ultrasound?
In this quick tip, we discuss the four useful keys of using ultrasound and discuss what ultrasound is...
- Tom Murphy
- SDT
Five Minute Facts
Applying Ultrasound Inspection to Diesel Engines
Internal combustion engines burn fuel and, regardless of size, they require air, preferably clean. The air we breathe is the same air engines breathe…
- Allan Rienstra
- SDT International
Two Minute Tips
Ultrasonic Predictive Maintenance: Monitoring Bearing Wear
Ultrasonic inspection and monitoring of bearings is by far the most reliable method for detecting incipient bearing failure and conditions...
- Adrian Messer
- UE Systems
Case Studies and Stories
Ultrasound Lends Reliability to Flexible Couplings
Simon, a condition monitoring specialist from a local oil refinery, contacted my office for advice about predicting failures on flexible couplings...
- Allan Rienstra
- SDT International
