Talk:Anodic protection

Latest comment: 3 years ago by Saulo35 in topic Input impedance of measuring device
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Input impedance of measuring device

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Does anybody have some explanation or theory behind the need for an ultra high input impedance (ideally a vacuum tube voltmeter) to measure the millivolt signal produced by the electrodes? Saulo35 (talk) 11:38, 7 November 2021 (UTC)Reply