[Wonder Warthog]

"This weighing before and after was with the bathroom scales, right? The ones that would support 13,000 kg?"

Look up the other tests.

[Normandy]

National Instruments of Austin Texas has signed an agreement with Rossi’s Leonardo Corporation to supply intrumentation components to be used in the E-Cat.

http://www.e-catworld.com/2011/11/national-instruments-to-make-instrumentation-for-e-cat-plants/