10 Minute Talk
Filters and the FFT Analyzer
The FFT spectrum analyzer or digital data collector performs signal processing including filtering vibration signals. This short video gives an overview of low pass, high pass, band pass filters used in vibration analysis data collectors.
- Jason Tranter
- Mobius Institute
Resolution Limitations
Understanding lines of resolution in the FFT vibration spectrum. Signal processing in the FFT spectrum analyzer or vibration data collector, setting the number of lines of resolution, increase data collection time.
- Jason Tranter
- Mobius Institute
Averaging and the FFT
When collecting vibration data with an FFT analyzer, a linear averaging process is used to reduce noise in the vibration spectrum. This video discusses signal processing, averaging and the Fast Fourier Transform in the vibration data collector..
- Jason Tranter
- Mobius Institute
Turbo Machinery 101
Salah Attia tells us about different types of turbines and the alarm levels that should be set to protect these critical machines…
- Salah Attia
- ALS Industrial
When Vibration from Trains Damages Buildings
In large cities in India, such as Delhi, metros cause a lot of damage to buildings. Stories have appeared on the news of people who have to repair their houses again and again…
- Ashish Arora
- Institute of Noise & Vibration
Measurement Sensors and Applications for Measuring Turbo Machinery
When measuring turbo machinery, measurement types include casing absolute vibration, shaft relative vibration, and shaft absolute vibration…
- Salah Attia
- ALS Industrial
Installing Wireless Monitoring on Overhead Cranes
Compared to most applications, wireless monitoring of overhead cranes is quite challenging. We need high-speed sampling for fault detection. And because this is a low-speed application…
- Kris Deckers
- I-care Group
HD Technology Saves an Extruder Gear Pump
A gear pump was used in a plastic extruder, where the gear’s head pumps the plastic mold from the barrel into the pelletizer. The extruder was already fitted with a condition monitoring system, but in early 2016 our customer decided...
- Rick Verbij
- SPM Netherlands
HD Technology Shines in an Ultra-Low-RPM Application
The support wheel bearings in a calciner case had an ultra-low rpm: 3.4–3.9. The customer had been utilizing a traditional vibration analysis system for a number of years, but they lacked a pre-warning time and faced high risk…
- Rick Verbij
- SPM Netherlands