Vernier Software and Technology
Vernier Software & Technology

Go Direct® EKG Sensor

Product image for Go Direct® EKG SensorProduct image for Go Direct® EKG Sensor
Product image for Go Direct® EKG SensorProduct image for Go Direct® EKG Sensor
Product image for Go Direct® EKG SensorProduct image for Go Direct® EKG Sensor

The Go Direct EKG Sensor records electrical signals produced during heart or muscle contractions. It connects wirelessly via Bluetooth® wireless technology or wired via USB to your device.

Description

The Go Direct EKG Sensor measures electrical activity in the heart and electrical signals produced during muscle contractions. The wireless options minimize the concern of cables getting caught and tangled during experiments. This sensor provides two separate outputs: one optimized for standard 3-lead EKG tracings and one optimized for surface EMG recordings. EMG recordings can also be rectified automatically by the sensor.

The Go Direct EKG Sensor can be used in a variety of experiments:

  • 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.

Rechargeable Battery—Ready When You Are

The Go Direct robust rechargeable battery offers long battery life and provides always-ready operation. Monitor battery life directly from our free Graphical Analysis 4 app. Should the battery run low, simply connect the sensor to the charging cable and keep on collecting—no interruptions or inconvenience to you or your students.

Wired or Wireless—The Flexibility to Choose

Our Go Direct sensors connect directly to your mobile device, Chromebook, or computer using our free Graphical Analysis 4 app—no additional equipment or software purchases are necessary. Go Direct sensors can be used wired via USB or wirelessly via Bluetooth wireless technology, allowing you to choose the solution best for your classroom or laboratory.

Sample Data

Videos

Specifications

  • Range: ±200 mV
  • Resolution: 24 µV
  • 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
  • Connections
    • Wireless: Bluetooth
    • Wired: USB

Experiments and Lab Ideas

Compatibility Requirements

  • LabQuest 2
    LabQuest 2

    Full Support

    The Go Direct® EKG Sensor is fully supported with LabQuest 2 (version 2.8.3), a standalone data logger with built-in graphing and analysis software.

    Learn more about LabQuest 2 »

    Compatibility Notes

    1. Wireless connection of this sensor to a LabQuest 2 requires a Go Wireless USB Radio when used with some older LabQuest 2 models.
  • Computers
    Computers

    Software
    InterfaceGraphical Analysis 4 for ComputersVersion 4.4
    No interface requiredFull support 1
    LabQuest 2Full support 2 3

    Compatibility Notes

    1. For Bluetooth® connectivity, only computers running Windows 10 or Mac OS X 10.10 or newer are supported. The computer must also have a compatible Bluetooth 4.0+ radio.
    2. Connect this sensor directly to a computer or Chromebook via a USB or wireless Bluetooth® connection for best results. Alternatively, this sensor is fully supported when used with LabQuest 2 when LabQuest 2 is connected to a computer or Chromebook via Wireless Data Sharing.
    3. Wireless connection of this sensor to a LabQuest 2 requires a Go Wireless USB Radio when used with some older LabQuest 2 models.
  • Chromebook
    Chromebook

    Software
    InterfaceGraphical Analysis 4 for ChromeVersion 4.4
    No interface requiredFull support
    LabQuest 2Full support 1 2

    Compatibility Notes

    1. Connect this sensor directly to a computer or Chromebook via a USB or wireless Bluetooth® connection for best results. Alternatively, this sensor is fully supported when used with LabQuest 2 when LabQuest 2 is connected to a computer or Chromebook via Wireless Data Sharing.
    2. Wireless connection of this sensor to a LabQuest 2 requires a Go Wireless USB Radio when used with some older LabQuest 2 models.
  • iOS
    iOS

    Software
    InterfaceGraphical Analysis 4 for iOSVersion 4.0.3
    No interface requiredFull support
    LabQuest 2Full support 1 2 3

    Compatibility Notes

    1. Connect this sensor directly to a supported mobile device via a wireless Bluetooth® connection for best results.
    2. Mobile devices can only connect to LabQuest 2 via Wireless Data Sharing.
    3. Wireless connection of this sensor to a LabQuest 2 requires a Go Wireless USB Radio when used with some older LabQuest 2 models.
  • Android
    Android

    Software
    InterfaceGraphical Analysis 4 for AndroidVersion 4.4Graphical Analysis GW for AndroidVersion 3.2
    No interface requiredFull supportIncompatible
    LabQuest 2Full support 1 2 3Full support 2 3

    Compatibility Notes

    1. Connect this sensor directly to a supported mobile device via a wireless Bluetooth® connection for best results.
    2. Mobile devices can only connect to LabQuest 2 via Wireless Data Sharing.
    3. Wireless connection of this sensor to a LabQuest 2 requires a Go Wireless USB Radio when used with some older LabQuest 2 models.

What’s Included

  • Go Direct EKG Sensor
  • A package of 100 disposable electrodes
  • Micro USB Cable

Ordering Information

All prices are for U.S. educators.

NameOrder CodePriceQuantity
Go Direct® EKG SensorGDX-EKG$159

Support

Related Products

Educational use only: Vernier products are designed for educational use. They are not appropriate for industrial, medical, or commercial applications. Product usage disclaimer »

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