From: muratlanne@gmail.com   
      
   "mike"  wrote in message   
   news:jpmapp$f0d$1@dont-email.me...   
   >...   
   > I'm amazed by the number of people who spend years and post   
   > videos for free energy devices without ever measuring anything.   
   > And the few that have a meter, don't measure energy.   
   >   
   > There oughta be a how-to guide for measuring power/energy,   
   > but I'm too lazy to go look for it...but it'd probably cause   
   > youtube to implode on itself.   
      
   I used a $20,000 digitizing oscilloscope and $3000 DC current probe,   
   and let the scope's math processor do the piecewise integration of   
   stored samples.   
      
   If you are on a home-experimenter budget with old surplus equipment,   
   accurate AC power measurement is quite a challenge.   
      
   Current measuring shunts like this can sometimes be found cheap in   
   surplus stores, but not around here because I snap them up.   
   http://www.emarineinc.com/product_images/w/736/shunt02__18613_zoom.jpg   
      
   Inductive and Hall effect AC current probes often have a low enough   
   bandwidth to misread complex waveforms. That includes Tek P6020   
   passive current probes.   
      
   jsw   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)