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Home › Forums › Help/Technical Questions › Which DMM do I have?
Hey All,
I’ve got a DMM with the AC cord. What’s the easiest way to tell if it’s an original or one of the late 90’s re-issues?
Thanks.
The earliest models used a two-prong plug.
There are, however, a few different versions of the two-prong plug models as well.
There’s the blue-face 4-knob that uses the Reticon ICs, and has no modulation.
There’s a blue-face 5-knob with point-to-point soldering.
And there’s the black-face 5 knob which we all know and love.
Look at the bottom plate.
sharp corners = vintage
round corners = reissue
The vintage models came stock w/ a 2-wire AC cord except in Canada which had a 24vdc adapter. The early reissues had a built-in 3-wire Ac cord.
3 prong cord and round corners. Looks like I’ve got a re-issue. Thanks guys