Extech DC clamp meter, large DC offset developed.
wrote:
"Holding the meter near an analogue CRO screen will reveal if this
is the case. "
Ha. Try finding one these days.
** Most techs have one - I own four.
Analogue CROs are what we all used until DSOs with LCD screens came along.
The trace is very sensitive to a magnetic field.
..... Phil
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