View single post by Crouching Tiger
 Posted: Sun Oct 1st, 2006 11:04 pm
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Crouching Tiger


Joined: Sun Nov 13th, 2005
Posts: 216
The supco website has alot of information based on compressors and starting devices.  TPI also sells meggers either digital or analogue.  Generally, a reading of 20 megohms is bad news, typically a burnt system.  They apply a specific voltage through the windings and find any breakdown in the insulation.