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Vernier™ Go Direct™ EKG Sensor Products for Science Education

Vernier™ Go Direct™ EKG Sensor records electrical signals produced during heart or muscle contractions.

Manufacturer:  Vernier™ GDXEKG

Catalog No. S39710

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  • Maximum sampling rate: 400 samples/s
  • EKG channel settings
    • High-pass: 0.300 Hz
    • Low-pass: 22.5 Hz -3 dB cutoff with -80 dB attenuation above 50 Hz
  • EMG channel settings
    • High-pass: 2 Hz
    • Low-pass: 29 Hz - 3 dB cutoff with -80 dB attenuation above 50 Hz
  • Heart rate calculation
    • Sample windows: 6 s
    • Advance interval: 1 s
  • Compare and measure students' electrocardiogram (EKG/ECG) waveforms.
  • Determine heart rate by examining the number of QRS waveforms in a series of electrocardiograms (EKG/ECGs).
  • Study contractions of muscles (EMG) in the arm, leg, or jaw.
  • Correlate measurements of grip strength and electrical activity with muscle fatigue.


Bluetooth or USB
Graphical Analysis 4 or LabQuest App
24 μV
5-year limited warranty
±200 mV
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