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KMID : 0372919920130010047
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Journal of Biomedical Engineering Research
1992 Volume.13 No. 1 p.47 ~ p.54
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Skin Impedance Measurements Using the Characteristics of Compound Electrode
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Abstract
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We studied the characteristics of the compound electrode and found that the compound electrode provides the four-electrode method in a compact form. We developed a new method of measuring the skin impedance using simple electrodes at low frequencies. At high frequencies where the effect of internal tissue impedance is not negligible, we used the compensation method using compound electrodes since they measure the voltage right under the skin. At 50 kH2, we measured the real part of the skin impedance of less than 80Ω on the thorax. We propose a simple instrument which can measure accurate skin impedance at various frequencies.
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