Empatica EmbracePlus User Manual page 21

ElectroDermal Activity
Interbeat Interval
Blood Volume Pulse
User Tags
Other Info
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Description: Data from the electrodermal activity sensor expressed as
microsiemens (µS). Uses a galvanic skin response sensor.
Sampling frequency: refer to the HR-optimized configuration above.
Values: (array/float) Electrodermal activity (µS).
Description: List of time intervals between individual heart beats.
Values: (array/long + array/int) Timestamps in UTC (µs) of the heartbeat +
Interbeat interval (µs).
Description: Blood Volume Pulse from photoplethysmograph.
Sampling frequency: refer to the sensor configurations above (PPG field)
Values: (array/float): Light absorption level (arbitrary unit).
Description: Event corresponding to a user's action on the EmbracePlus (i.e.
marking an event with the event tagging procedure).
Values: (array/long): Timestamps in UTC (µs) of the event tags.
Sampling frequency: 1 minute.
Charge status: (array/int) a value that indicates whether the device is charging
or not for each minute.
Battery level: (array/int) battery levels from 0% to 100% for each minute.
Memory level: (array/int) memory level available from 0% to 100% for each
minute.
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