作者: Niemeyer Axel
DOI:
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摘要: A method and a circuit arrangement for testing and/or calibration, the having sensor electrode first second unit coupled thereto, capacitor, being kept at specified electrical target potential by capacitor such that matching of is made possible. The configured that, if outside reference range, detects this event brings to potential. For purpose current source provided injecting an adjustable into electrode, injected another measured, different portions electrode.