The guard electrode, also known as guard ring, encloses the active Sensor measuring area of a capacitive displacement Sensor. The guard electrode ensures a homogeneous electrical field up to the edge of the active Sensor measuring area - a prerequisite for the capacitive displacement measurement principle.
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Automatica (München, DE) 22.05.2012 - 25.05.2012
Sensor + Test (Nürnberg, DE) 22.05.2012 - 24.05.2012