On Wed, Jan 22, 2014 at 01:59:51AM +0100, Juan Francisco Cantero Hurtado wrote: > On Tue, Jan 21, 2014 at 07:31:14PM +0000, Christian Weisgerber wrote: > > Juan Francisco Cantero Hurtado <i...@juanfra.info> wrote: > > > > > > How can i find out this numbers? From power block sticker? > > > > > > I use a (good) power meter. Don't buy the cheapest one. > > > > From time to time, c't magazine reviews the cheap wattmeters available > > on the German (~ European) market. Their latest test, in the > > September 23 issue, revealed a number of models that were "eerily > > in agreement with our 3,500-euro reference unit", including the > > cheapest one (10 euros). > > > > But really, any unit you buy is probably good enough. > > > > The problem isn't the precision of the numbers, the real problem is the > quality of the build and especially the quality of the circuit. I don't > want to set fire to my house :P
I suspect most wattmeters the world over - cheap noname Chinese devices
