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sparkymike · 21st Jun 2022, 8:00 am

Perhaps it was done if the meter was returned to the factory for servicing ?
Maybe it was something advised by AVO if meter was being checked away from the factory?
I am sure it would not be a bad thing to do as a matter of course.Just a smear along the base should be enough.
Mike.

21st Jun 2022, 8:00 am	#2949
sparkymike Octode Join Date: Dec 2006 Location: Colchester, Essex, UK. Posts: 1,076	Re: AVO Multimeter survey Perhaps it was done if the meter was returned to the factory for servicing ? Maybe it was something advised by AVO if meter was being checked away from the factory? I am sure it would not be a bad thing to do as a matter of course.Just a smear along the base should be enough. Mike.