Abstract
An electronically sampled vibrating-reed dc electric field sensor of the chopping field-mill variety is described. The compact, battery powered, self-contained sensor, which can be imbedded in any electrode surface, is capable of measuring true dc fields up to the 106 V/m range over an indefinite period of time; however, continuous peak sampling of the chopped periodic signal allows transients on the order of 10 ms to be monitored. Measurement in the presence of ionic space charge is made possible by keeping all structural components exposed to the field at a single equipotential.
Published Version
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