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Frequency range of skin impedance measurement

Question asked by rishika on May 30, 2015
Latest reply on Jun 17, 2015 by emoloney

By running the program ( 4 wire bio-isolated) for different type of impedance ( R, RC, R||C series R), I noticed that at low frequency ( ~200Hz), the measured value was closest to the real value, while for high frequency (25-30kHz), it showed large deviations. What is the reason for this?