Blood Volume Pulse (BVP) Sensor | FingerThe Blood Volume Pulse (BVP) Finger Sensor can be used to measure the relative changes in blood flow resulting from the heart beat. With this sensor we measure both the heart rate (HR) and heart rate variability (HRV) and also the level of vasoconstriction and vasodilation. It uses near infrared light technology, also known as PPG (photoplethysmography). Often this NeXus sensor is combined with the NeXus respiration sensor when used for Heart Rate
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