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.


** Mains current waveforms are VERY interesting, but not if all you can see is 60Hz. A Hall effect transducer is needed to do the job properly.

The one is use is by LEM and has response to 100kHz, allows me to see currents as low as 1mA and up to 100A peak.


..... Phil