Vibration Alarms Tip
If you ask most vibration analysts what they think about their current database’s Alarm Sets, you will find that most people are not happy with them or just don’t use them at all. Typically, these vibration databases contain Alarm Sets that were given to assets prior to taking actual vibration data on it at the conception of the program.
So why do these Alarm Sets go unchanged? One of the most common remarks to this question is that “I don’t have time to work on alarms, take condition monitoring data, and analyze the data”. This reason for NOT working on your Alarm Sets is exactly why you SHOULD work on your Alarm Sets. First & foremost, an analyst with properly designed alarms will not have to “analyze” every piece of data that has been taken on a piece of equipment. By having a meaningful Alarm Set that has been designed specifically for a given piece of equipment based on historical vibration data, all known fault frequencies will be targeted with their own alarm bands. With this one change to a database, not only will you be able to skim through your data faster (using Alarm Summary Reports to aid in finding “problem” machines), you will also find that many assets that are identical in make & model actually vibrate very differently.
Tip provided by Allen Bailey
IVC Technologies
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Comments (1)
1) Posted 7:53 am, 14 May 2009 by Brian N Lutz