The heart-rate sensor, BT47i monitors a person’s heart beat. Each time the heart beats, an electrical signal is generated. This signal is measured at the surface of the skin by electrodes embedded in the chest belt of the sensor. The system consists of a transmitter belt, plug-in receiver, and an elastic strap.
Transmitter: T31 by Polar Transmitter
Range: 90 cm
Can be used to:
• Compare the heart rate of different individuals,
• Check the person’s heart rate before, before, during and after a vigorous activity,
• Monitor the recovery rate.