On Tue, 15 Mar 2011, Kirk Wallace wrote: > Date: Tue, 15 Mar 2011 11:16:18 -0700 > From: Kirk Wallace <kwall...@wallacecompany.com> > Reply-To: "Enhanced Machine Controller (EMC)" > <emc-users@lists.sourceforge.net> > To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net> > Subject: [Emc-users] Floating Oscilloscope > > In order to investigate three phase issues more, it would be nice to > measure at least two waves at a time. I have a two channel scope, but > the channels are ground referenced. I can float the scope, but I think > this will only allow me to measure one signal, or two if they happen to > have the same reference point. Plus I don't think floating the scope is > the safest practice for me or the scope. What might be good is to have a > box that floats like a DVM but can feed a scope channel. What sort of > keywords should I use to find such a thing, or is there a better way? > -- > Kirk Wallace > http://www.wallacecompany.com/machine_shop/ > http://www.wallacecompany.com/E45/index.html > California, USA
A couple isolation/stepdown transformers is a good way (I was going to say filament transformer but I guess not many would know what that is anymore) Peter Wallace Mesa Electronics ------------------------------------------------------------------------------ Colocation vs. Managed Hosting A question and answer guide to determining the best fit for your organization - today and in the future. http://p.sf.net/sfu/internap-sfd2d _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users