Automatic sensing device of electrical characteristic of livingtree

摘要

The electrical impedance of a living tissue reflects its cellconstruction and physiological activity. For this purpose was developedautomatic sensing device of electrical tissue characteristic. The systemis composed of a part measuring impedance at multi-frequency points anda part analyzing parameters of dispersion system of bio-electricalimpedance. Electrical impedances are measured at eight frequency pointsbetween 1 kHz to 500 kHz. The parameters for Cole-Cole arc's law aredetermined automatically by personal computer program. If the cellconstant dependent electrode size and electrode form are given,resistivity and dielectric constant can be calculated