Re: AVO Multimeter survey
Bob, I don't know how much you know regarding these, but as Ian says, the gist is that the Model D has found shelter from the weather in a box originally used for a Model 48A meter.
It won't therefore have any compatibility with the accessories provided, you need a Model 40, 47A, 47A(S) or 48A meter for that. There are loads of Model 40's knocking about, that would be the easiest to procure (especially the later ones).
Probably the most useful accessories are the DC current shunts, i think you have capacity for up to 480amps with an accuracy plus or minus 2%.
Dave
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