15. Technical Information
15.1 Peak Wavelengths and Maximum Optical Output of Power
The peak infrared LED wavelength shall fall within 924nm to 937nm at time of manufacture. The peak red LED wavelength shall
remain within 649nm to 657nm at time of manufacture. This information may be useful to clinicians.
The below are the maximum optical output of power of the Sensor emitters:
- Blue emitter: 20mW
- Green emitter: 11mW
- Red emitter: 13mW
- Infrared emitter: 10mW
- Total of all emitters: 54mW
15.2 Data Processing Delay
In normal operation, the average processing delay for the Sensor is 5 seconds. Upon start-up, the data processing delay is 10 to 15
seconds to initialize the signal processing chain.
15.3 Data Update
The Sensor transmits data to the Base Station every second. This includes Pulse Rate, Oxygen Saturation, movement metrics,
battery charge, signal quality and reading quality. If the Sensor is having difficulty determining valid data, a low priority notification is
generated when the data update period to the Base Station exceeds 30 seconds. NOTE: Alarm conditions are transmitted
immediately by the Base Station to the App with almost no delay (assuming the App is up and running).
15.4 Alarm Condition Delay (Time from event to alarm condition)
The alarm condition delays are detailed in the following table. Delays vary by alarm type. All noted times include the data processing
delay, the data update delay, and transmission time to the Base Station.
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