waveform
White Papers
Selecting Vibration Sensors
Selecting the best accelerometer for a specific predictive maintenance application can be a daunting task – even for the most seasoned walk-around warrior…
- Meredith Christman
- PCB Piezotronics
Webinars
Time Waveform Analysis
All vibration data begins as a digitized time sample – the “raw data”. Despite that, many analysts limit themselves by failing to develop a thorough understanding of the various aspects of the TW plot...
- Scott Dow
- SPM Instrument
Case Studies and Stories
Deep Well Vertical Pump Analysis using Electrical Signature Analysis (ESA)
There are many advantages that vertical pumps provide over horizontally mounted pumps and when they operate properly they generally provide many years of reliable, maintenance free operation. However, in almost any plant with a large inventory of vertical pumps they will have one or more of these pumps that are considered “bad actors”...
Case Studies and Stories
Energized Motor Testing Reveals Improper VFD Settings
This 55-kilowatt, 400-volt motor is controlled by a variable frequency drive (VFD). This motor drives the centrifugal fan that sends air into a natural gas combustion burner...
- Ettore Di Pasquale
- ALL-TEST PRO
White Papers
Evaluating Wave Files to Determine the Severity of the Ultrasonic Emissions
We are often asked at which voltages and on what type of equipment is ultrasound most effective... The answer is not simple since it often depends on the individual asking the question...
Articles
Ultrasound Assisted Lubrication: Three Ways to Improve Lubrication Practices
Take great care to avoid introducing contaminants into the lubrication. To monitor how much grease you are using, calibrate your grease gun: there is a device that attaches to your grease gun and gives you an LED reading of how much grease you’re using, mass-wise...
- Adrian Messer
- UE Systems
Two Minute Tips
Why Do I Need to Use Time Waveform Analysis?
Spectrum analysis provides a great deal of information about the health of rotating machinery. But you should consider the spectrum as a summary of the vibration within the machine...
- Jason Tranter
- Mobius Institute
