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I put the airflow sensor on me, to see what the signal looked like. All I see is 60 hertz artifact, what is wrong?

April 26, 2017airflow Artifact Hertz looked sensor signal wrong

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I put the airflow sensor on me, to see what the signal looked like. All I see is 60 hertz artifact, what is wrong?

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A. You need to have yourself grounded by applying an electrode to your body and plugging it into the ground receptacle in the head box. The airflow sensor must be plugged into the adapter cable, the adapter cable then plugs into the flow channel of your headbox. Turn the 60-hertz filter on. Adjust your filters as you would for an airflow signal. The Dymedix sensor is very sensitive and produces a higher amplitude waveform. Therefore, you may need to reduce the sensitivity or gain setting lower than you usually do with other sensors.