Skin Conductance Sensor

  • Overview

    The Skin Conductance Sensor measures sweat gland activity at the fingers or in the palm of the hand. Skin Conductance (SC) is also known as galvanic skin response (GSR) or electrodermal activity (EDA). The sensor comes with Ag-AgCL velcro straps snap-on electrodes, which can be used over 100 times. The electrodes are attached to the fingers of the non-dominant hand. 

    Skin conductance (SC) is expressed in microsiemens. Sweating is controlled by the sympathetic nervous system and this response is closely related to arousal. The sensor has been designed to measure minute (1/1000) micro-siemens relative changes in sweat activity.

    The Skin Conductance Sensor for NeXus offers:

    • Adjustable velcro straps for every size finger
    • Easy snap-on leads


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  • Info

    Skin Conductance Electrodes are included

    These Ag-AgCL electrodes snap into the two connectors and are attached to two fingers. The electrodes are secured by velcro straps. Make sure they are not fastened too tight since that will impair blood flow. It does not matter which electrode is placed on which finger, as polarity is not important. We recommend replacing the Velcro Finger Electrodes after around 100 times.

  • Specifications


    ParametersSC, GSR, EDA
    Resolution0.001 microsiemens
    Range0.1 - 1000 microsiemens

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