Hi Everyone,

I'm trying to learn how to use All-test pros ATpol II to carry out online analysis of motors on our plant but the wave forms and the terms are pretty confusing.

I'd be grateful if someone could point me in the right direction, maybe a book I can buy or download(preferably free Smiler) that would approach the topic from a beginners viewpoint:

what is the meaning and significance of pole pass frequency? I know the formula but I'm still wondering what exactly it means, google hasn't really helped.
Original Post
This thread is old, but if there is still an interest, here goes. The ATpol II is based on technology developed by Framatome. It was and evidently still is, sold as Ultracheck Empath 2000. Their website has some good training materials. I investigated this stuff years ago and found it to be impossibly difficult to apply, so I never bought into it. THe ATpol is a single phase version of the Empath.


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