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AndyGilham · 15th Mar 2019, 9:55 pm

The Phiilpott
Regarding the marking of "Accuracy B.S.1", that is correct. It's the intended movement accuracy of the meter (I believe measured on a milliameter). So to either B.S.1 or B.S.S the accuracy was the best, then lesser meters were to B.S.2.
I am sure PMM can elaborate on that more than I.

Andy

15th Mar 2019, 9:55 pm	#8
AndyGilham Pentode Join Date: Oct 2016 Location: Dover, Kent, UK. Posts: 237	Re: Avometer Model 40 Special (7.5mA FSD) The Phiilpott Regarding the marking of "Accuracy B.S.1", that is correct. It's the intended movement accuracy of the meter (I believe measured on a milliameter). So to either B.S.1 or B.S.S the accuracy was the best, then lesser meters were to B.S.2. I am sure PMM can elaborate on that more than I. Andy