On Sun, 05 Mar 2017 19:56:44 +0000, JM
wrote:

On 05/03/2017 15:44, John Larkin wrote:
I have a clamp-on ammeter that pretty much does that, although it just
indicates amps, and doesn't allow waveform snooping. 60 Hz waveforms
aren't terribly interesting.

Tell that to a condition monitoring engineer!


I don't design AC power supplies any more. I can buy an entire nice
PFC switcher for less than I could buy a 60 Hz power transformer.
Since the supplies all come with UL/CE/VDE/etc stickers, I don't care
about their input current waveforms.


--

John Larkin Highland Technology, Inc

lunatic fringe electronics