Re: AVO Multimeter survey
I have the Avo 8 Mk II; Serial No. 9840.C.364.D
The 15V battery was replaced with an inverter operating from the D cell, with an on/off switch, too long ago to remember and before I could have contemplated designing such a unit, so I'm wondering was there such a modification published sometime in the 60s?
Looking today I find the BLR121 batteries are readily available at sensible prices. The beauty of using a battery is that no power is used as long as you are not taking a reading on the Ω × 100 range
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- Julian
It's good here
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