I've used both SKF and CSI throughout my 14 year(and counting) career.  SKF is more user friendly as far data base creation and manipulation, CSI has better graphics on the 2140 and is quite user friendly in it's own regard.  Either one is a good choice, but I would ask a rep for a full blown demo and proceed from there.

As far as online monitoring, I've only used CSI 4500 & 6500.  The end product for analysis is good, but there are many hoops to jump through to learn the system.

KJS Can you explain your question more? gE is enveloped acceleration, a d signal processing technique to detect bearing failure and gear defects.
The enveloping uses high pass filter 1000 Hz for example (high pass filter removes the signal from 0 till 1000 from the processing) to have a cleaner signal in the high frequency range where bearing defects and gear defects normally reside, with the view to removing the  frequencies like unbalance, looseness and misalignment etc.

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