What They’re Saying

We have used Stan's VFD book for  our mechanics to hekp them prepare for drives being installed in our plant.  We welcome these pocket guides as another tool in our tool box.  Thank you Stan.

Chuck Thomas  Hershey Foods

What a great product to have!  Quick easy to use, and staright to the point.

Will Mc Bride Engineer  
US COAST GUARD

PDF file on demand right away, WOW help when you need it the most. The step by step guide makes it easy to follow.  The testing shortcuts are the best advice which we now use all the time.

Bill Chase