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December 8, 2014
about 5 years ago
CaseyTheRobot, thanks for the reply! I read and understand the disclaimer statement of your website. But for a hobbyist or a student that use or plan to use this this heart rate monitor in their biomedical exploration, what is the safety guidance for them if they hook up on their own bodies? I understand the required supply voltage of the sensor is pretty low. but how do you ensure the electrical current flow through the electrodes near the human heart is always low within safety range? For example, can this device be safely used in a university classroom on students for teaching and learning purpose?
thanks! after carefully read the AD8232 data sheet. I derived the range similar as your answer.
According to the data sheet, the voltage at the analog output terminal (OUT) swings in between 0.1 Volts and Vs – 0.1 Volts, where Vs is the supply voltage. If using 3.3 Volts as Vs, the output range is 0.1 – 3.2V.
does this heart rate monitor sensor board, leads and the cable follow any industrial standard (e.g., http://www.fda.gov/MedicalDevices/DeviceRegulationandGuidance/GuidanceDocuments/ucm073942.htm#14_3) during the design, manufacture and post manufacture quality test? how safe is it to connect to a human body directly following your hookup guide? is there any known potential risk when applied to human?
with operating voltage at 3.3V, what is the analog output range of this Single Lead Heart Rate Monitor - AD8232 (0-1.5V)?
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