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Conf Proc IEEE Eng Med Biol Soc. 2009;2009:861-4. doi: 10.1109/IEMBS.2009.5335156.

An 8-channel skin impedance measurement system for acupuncture research.

Author information

1
Department of Science & Engineering, Oregon Health & Science University, Beaverton, OR 97006, USA. trant@bme.ogi.edu

Abstract

An 8-channel skin impedance measurement system for acupuncture research has been developed. The underlying model of the skin used is a parallel R & C network. Pulses are used to measure the R and C values. The measurement circuit is time multiplexed across the 8 channels at the rate of 2 measurements per second, leading to a complete set of measurements every 4 seconds. In static tests, the system has been operational for over 2 days of continuous measurements. In preliminary human tests, measurements over 2 hours have been collected per subject.

PMID:
19965129
DOI:
10.1109/IEMBS.2009.5335156
[Indexed for MEDLINE]

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