Vibration in rotating machinery is the oscillation of a machine and components such as drive motors, pumps and compressors and the bearings, shafts, gears, belts and other elements that make up mechanical systems. Excess vibration is a symptom of internal issues such as bearing failures, imbalance, misalignment and looseness, that shorten equipment lifespan. More than half of unplanned downtime is attributed to mechanical failures. Once the first signs of failure appear, it generally has only a matter of months before failing completely. Vibration testing provides a way to determine where a machine is on the failure curve, allowing maintenance teams to react as needed. The higher the overall vibration of a machine the worse its condition. Comtest’s Fluke 805 Vibration meter measures overall vibration, bearing vibration and temperature simultaneously.
Bearing condition is assessed automatically with use of Crest Factor Plus (CF+) and temperature is often used as a second opinion that confirms the bearing assessment based on vibrations. With Fluke Connect for the FC-enabled models, trend plots on all available parameters are easily created. Overall vibration values are used to create trend plots that help to predict the condition of a machine and to plan maintenance. Machine condition of most common machinery can be determined instantly with alarm levels that are programmed in the product. Fluke 805 promises reliable, repeatable results thanks to the innovative sensor and sensor tip design that minimises measurement variations caused by angle or pressure.
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