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Electrodes for measuring BIA and ECG

Question asked by Jiwon.Lee on Jan 13, 2017
Latest reply on Mar 20, 2017 by Jiwon.Lee


I have some general questions on electrodes for measuring BIA and ECG.

Signal chain for BIA and ECG is this,

AD8233 + ADuCM350 for ECG, AD8226 + ADuCM350 for BIA(4-wire bio-isolated measurement)


Q1) How much the resistance of the electronde impact the BIA and ECG ?

Q2) What scope should the resistance of the electrode be controlled in ?

Q3) Except resistance, Is there other parameter I sholud notice ?


It will be really appreciated, when I get reply on these.

Thanks a lot.