Can one Sensor Dot measure multiple signals?

Depending on the role you assign to a Sensor Dot in the Composer application as explained here, different combinations of signals will be measured. We will gradually enable customized configurations of these roles, so check back from time to time.

Electrocardiogram Role (ECG):

The ECG Role records the following signals, and should be used with the ECG/RES Patch:

  • ECG at 250 Hz
  • Accelerometer (3-axis) at 50 Hz

Respiration (RES):

The RES Role records the following signals, and should be used with the ECG/RES Patch:

  • Respiration at 125 Hz
  • ECG at 125 Hz
  • Accelerometer (3-axis) at 50 Hz

Photoplethysmography (PPG):

The PPG Role records the following signals, and should be used with the PPG Patch:

  • PPG Green channel (535 nm) at 100 Hz
  • PPG Red channel (660 nm) at 100 Hz
  • PPG Infrared channel (940 nm) at 100 Hz
  • Accelerometer (3-axis) at 50 Hz

Inertial Measurement Unit (IMU)

The IMU Role records the following signals, and should be used with the IMU Patch:

  • Accelerometer (3-axis) at 100 Hz
  • Gyroscope (3-axis) at 100 Hz
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