I think I'll go for an isolation transformer, and/or
the 50k/100k resistors in series with the probes
mentioned in another post.

Thanks all !
Jan-Erik.

-----Original Message-----
From: Jinx [mailto:joecolquitt@CLEAR.NET.NZ]
Sent: den 17 februari 2003 03:46
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [EE]: Measuring AC mains with a O-scope.


> > Does this change the way one could connect O-scope probes ?

> If your scope has internal grounding... it would be blown to hell

I wouldn't even think of measuring mains without an isolating
transformer. I have a small 150VA one that goes on either the
scope or the circuit

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