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Multi-Frequency Bioelectrical Impedance Analysis(MFBIA) utilizing frequencies between 1 kHz and 1000 kHz. An electric current less than 100 kHz cannot penetrate cell and flows through extracellular water so is used to measure extra-cellular water (ECW). An electric current over 100 kHz pentrates cell membranes and flows through cell so is used to measure total body water (TBW).

Using multiple frequencies, ECW and TBW are measured separately and this can be helpful to diagnosis of body water balance, especially edema.

BCA series analyzer use 3~6 frequencies.

Tongfang Health Technology (Beijing) Co.,Ltd