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As of 2021-01-26 Ι Revision status: 5
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9 SPECIFICATION
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PPG Sensor Characteristics
PPG
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Single Channel
PPG LEDs number ........................................................................ 2
PPG LEDs Peak wavelength ......................................................... 525 nm
PPG LEDs max current ................................................................. 30 mA
PPG sampling resolution ............................................................... 19 bits
Motion Sensor Characteristics
Type .............................................................................................. 3-axis
Acquisition noise ........................................................................... 1.3 mg RMS
Sensor range ................................................................................ ±16 g full scale
Data Acquisition
PPG sampling rate ....................................................................... 25 Hz
Motion sampling rate ..................................................................... 100 Hz
Flash Memory Size ........................................................................ 64 Mbit
Recording ..................................................................................... Continuous
Power Requirements
Battery type ................................................................................... Rechargeable
Technology .................................................................................... Lithium Polymer
Battery capacity (Bracelet) ............................................................ 93 mAh
Autonomy (Bracelet) ...................................................................... up to 1 week
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Dimensions
Length x Width x Height ................................................... 20mm x 32mm x 9mm
Environmental Specifications
Operational Temperature .......................................................... +10 to +45 degrees C
Storage Temperature ................................................................ -10 to +50 degrees C
Operational Humidity .................................................................. 10% to 80%
Storage Humidity ....................................................................... 10% to 80%
Interface
Wireless Communication ............................................................... BLE 5.0
Display LEDs ................................................................................. 1 green, 1 orange
User action .................................................................................... pusher button
Measuring accuracy
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Heart Rate ........................................................................ +/- 3 BPM compared to ECG
RR interval ........................................................................ +/- 50ms compared to ECG
PPG sensor are exposed on the back of the Corsano bracelet. The PPG sensor
makes contact with the user’s skin.
Summary of Contents for CardioWatch 287-1
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