This post, submitted by an anonymous user, discusses concerns regarding purchasing a tri-axial sensor. The user is curious about how using the sensor can save time, especially when working with a single-channel analyzer on site. They are also interested in how the spectrum display would look and whether the measurement would result in a single spectrum or multiple spectrums. Additionally, the user included a picture of a mount they found online and inquires whether this mount could be used as an alternative to a triaxial sensor when installed on a piece of equipment.
When using a triaxial sensor, time savings are only achievable with an analyzer capable of processing all three signals simultaneously. If your analyzer only has one channel, you can use a three-position switch to capture each axis one at a time after installing the triax, reducing the time needed to switch between axes. I developed a data acquisition system for my service centers that captures all six axes of an electric motor at once, significantly saving time. Proper positioning of the triax is crucial to ensure the accuracy of the three reference positions. For example, with the PCB/IMI 604B model, positioning the triax with the connector aligned with the motor shaft ensures the X, Y, and Z axes are correct. Placing the triax close to the centerline of the shaft is also important to ensure accurate measurements. Avoid mounting the triax in a way that doesn't accurately represent the shaft centerline on one or more axes. I hope this information is helpful. Ron Brook ------------------------------ Ron Brook ------------------------------ Original Message Original Message: Sent: 09-27-2023 08:50 From: Anonymous Member Subject: Tri-axial sensor This message was posted by a user wishing to remain anonymous Dear all, A supplier is recommending a tri-axial sensor to me, and I have some questions: 1) How does using a tri-axial sensor save time? 2) Can a single-channel analyzer be used on site with a triaxial sensor, and does it require a special mounting? 3) What does the spectrum display look like with a triaxial sensor? Would the measurement result in a single spectrum or three separate spectrums? I have attached a picture of a mount I found online - can this be used instead of a triaxial sensor if installed on one axis of equipment?
Investing in a tri-axial sensor can certainly save you a good deal of time, specifically because it measures vibrations in three axes simultaneously. That in turn eliminates the need to reorient the sensor, which would be the case when using a single-channel analyzer. As for the spectrum display, you would get three separate spectrums – one for each directional measurement. Just remember, interpreting data from three channels might require a more sophisticated level of understanding of vibration analysis. Concerning the alternative mount you mentioned, it could potentially be used but it largely depends upon the specifications of your equipment and the environmental conditions where it would be installed. Always research thoroughly to ensure compatibility and effectiveness.
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Answer: 1. How can using a tri-axial sensor save time when working with a single-channel analyzer on site? - Using a tri-axial sensor can save time by providing multiple measurements simultaneously, allowing for faster data collection and analysis compared to single-channel analyzers that require sequential measurements.
Answer: - The spectrum display from a tri-axial sensor can show a comprehensive view of the measured data, potentially revealing patterns, anomalies, and trends that may not be apparent with single-axis sensors.
Answer: - The measurement with a tri-axial sensor would typically result in a single spectrum that combines data from all three axes, providing a holistic view of the measured parameters.
Answer: - No, a mount found online is not a substitute for a tri-axial sensor. A tri-axial sensor is designed to measure data in three dimensions simultaneously, providing unique insights that a simple mount cannot offer.
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