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Research Article

A microvolt calibrator for EMG systems

Pages 178-179 | Published online: 09 Jul 2009
 

Abstract

Non-evoked electromyographic signals range from several hundred microvolts for voluntary contractions to less than a microvolt for resting activity. Calibration of EMG recording equipment at such low levels may prove problematic. We have designed a useful battery operated calibrator for low level EMG recording in areas such as bio-feedback and stress management.

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