Methodological study demonstrates accurate surface electric field measurement on biological bodies, highlighting practical utility for assessing exposure near high-voltage lines.
In a study of biological effects of extremely-low-frequency (ELF) electric fields, a few techniques were developed which make it possible to measure the electric field at a biological body surface with practical accuracy and spatial resolution. The following techniques were developed: pressing down a field sensor against the body surface using a thin flexible sensor: and covering the body surface with a conductive layer while leaving the point of measurement uncovered. The characteristics of these techniques were also examined with a view toward practical applications, such as the measurement of the electric field at a human surface located under high-voltage transmission lines.>
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Shimizu et al. (1989) studied this question.
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