Re: AVO 8 Variants (Mk1,Mk2,Mk3,Mk4...etc)
Hi,
I have a Mk2 and a Mk4 .The Mk4 has a grey plastic back which has the battery teminals connected by wires to the meter not like the older models with the sprung brass tags which always seem to need cleaning to get the divide by 100 ohms range to work! The Mk4 has a easier dial to read.
David
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