Evaluation of a commercial impedance spectroscopy instrument: inaccuracies and their corrections

Robert P Patterson, Todd Latterell

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The accuracy of the Xitron Bio-Impedance Spectrum Analyzer was evaluated over a measurement range of 56 to 626 ohms and using lead resistances from 50 to 600 ohms to simulate electrode impedance(Z). Phase errors without lead resistances were up to 14.9°. Lead impedance could add up to an additional 4° error. Although errors of this size could cause serious problems, it appears that by using low impedance electrodes and software corrections of the data significant improvements can be obtained.

Original languageEnglish (US)
Pages (from-to)651-652
Number of pages2
JournalAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings
Volume17
Issue number1
StatePublished - Dec 1 1995

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