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Reading and Understanding Key Accelerometer Specifications
There are many ways to evaluate an IEPE (Integrated Electronic PiezoElectric) sensor, or accelerometer, either on its own merits or in comparison to similar competitive models found on the market. The most obvious is a paper comparison, using the spec sheet as a guide. Other options include acquiring the contending sensors and putting them to the test or obtaining word-of-mouth inputs, each of which will likely result in a different conclusion. The most common starting point, however, is a spec sheet appraisal.
- Peter Eitnier
- Wilcoxon Sensing Technologies
Webinars
4-20mA Vibration Monitoring Considerations
Discussion focusing on vibration monitoring using 4-20mA products. Loop powered sensors, vibration transmitters, display and alarm modules will be covered as well as their most important product selection considerations and various combination possibilities.
- Peter Eitnier
- Wilcoxon Sensing Technologies
Two Minute Tips
Triaxial Accelerometer Considerations
Triaxial accelerometers are a useful combination of three sensing pellets, each taken from a single-axis accelerometer and oriented in a new package to cover all three Euclidean axes, that can quickly evaluate a machine’s condition. Obtaining data from just a single measurement axis can certainly clue you into developing machine faults and their severity, but monitoring all three axes, especially at both ends of the machine, gives the clearest picture of overall machine health.
- Peter Eitnier
- Wilcoxon Sensing Technologies
Two Minute Tips
Simplified Vibration Monitoring: ISO 10816-3 Guidelines
The ISO 10816-3 standard provides criteria for evaluating the vibration of machinery according to measurements taken on non-rotating parts, such as bearings, bearing pedestals, or housings. It serves as a general guideline for determining overall machine condition based on the magnitude of vibration and changes in vibration levels over time. While these aren’t always the only factors that need to be considered when identifying faults, the standard is very useful for performing basic vibration analysis.
- Elise Brannon
- Wilcoxon Sensing Technologies
Five Minute Facts
Proper Grounding Techniques – Avoiding Radio Frequency Interference
Interference of electrical signals, whether through radio frequencies (RF), electromagnetic forces (EMI) or other sources, has long been recognized as an issue that can plague accelerometer applications. This electrical interference can manifest as increased noise, signal interruption, or erroneous data altogether, eroding trust in the measurement system and complicating machine fault analysis.
- Peter Eitnier
- Wilcoxon Sensing Technologies
Two Minute Tips
Sensor Aging and MTBF
Most general-purpose industrial accelerometers tend to come with lifetime warranties so that if anything should happen within the boundaries of normal usage, you can receive a replacement quickly enough and get your vibration monitoring program back on track
- Peter Eitnier
- Wilcoxon Sensing Technologies
Five Minute Facts
Galvanic Isolation in Signal Conditioners: Why is it Important?
Galvanic isolation was developed as a response to galvanic paths and subsequently, the signal interference they cause. A galvanic path is defined as a path in which there is a direct electrical connection between two or more electrical circuits that allow current to flow..
- Peter Eitnier
- Wilcoxon Sensing Technologies
Webinars
IEPE Sensor Selection Considerations
This webinar will cover the basic considerations that need to be taken into account when selecting an IEPE accelerometer or velocity sensor for vibration monitoring. Topics such as expected amplitudes, frequency range, hazardous area requirements, cabling and mounting methods, and sensor styles will be touched on..
- Peter Eitnier
- Wilcoxon Sensing Technologies
Two Minute Tips
Maximum Cable Length for Vibration Sensors
A vibration sensor produces an AC voltage dependent on the vibration signal being measured. As such, it’s subject to all the limits of AC signals. Long cable runs are likely to introduce enough capacitance into the sensor circuit to cause distortion, which makes being able to calculate cable length limits very important..
- Elise Brannon
- Wilcoxon Sensing Technologies
