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The ECG sensor detects minor changes in electrical
voltage which originate in the heart and spread out
across the body over a very short period of time. Cells
have a resting potential of about 0.9 mV. A heart beat
originates from an electrical impulse in the Sinoatrial
Node, often called the natural pacemaker. The electrical
potential cascade spreads across the heart. Using three
leads (left, right and reference) the heart's electrical
voltages (which originate in the heart) are measured.
Although the NeuLog ECG sensor is not aimed for
medical measurements, it is built as an ECG real device.
One important feature is complete electrical isolation
from the USB and the computer to which it is connected.
The power supply is isolated and transferred by
transformers.
The signals are converted and transmitted by optical
couplers.
V2018.01
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