Here is a selection of actual sound files recorded utilising an Acoustic Emission monitoring system. It includes sound files from Defective Bearings, Good and Poor Lubrication Effectiveness, Electrical Problems, Steam Trap Defects. Cavitation and Air Leaks .

Wave File from a good bearing Wav File taken from a Healthy Bearing

Wave File from a good bearing Wav File taken from a Healthy Bearing using the UE Systems Ultraprobe 201 PDF

Wave File from a good bearing Wav File taken from a Damaged Bearing using the UE Systems Ultraprobe 201 PDF

Wave File from a damaged slow speed bearing bearing Wav File taken from a Damaged Slow Speed Bearing

Good lubrication Wav File indicating Good lubrication

Bad lubrication Wav File indicating Bad lubrication

Grease being added to bearing Wav File during lubrication process (listen for the 3 shots of grease being applied)

Wave frile from an 'arcing' electrical connection Wav File taken from an 'Arcing' electrical connection

Wave frile from an 'Tracking' electrical connection Wav File taken from a 'Tracking' electrical connection

Wave frile indicating Corona Discharge Wav File taken from Electrical pylon indicating Corona Discharge

Failed steam trap Wav File taken from a Failed steam trap

Good steam trap Wav File taken from a Good steam trap

Air Leak Wav File indicating an Air Leak

Cavitation Wave File indicating Cavitation

 

 

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