Biometric Pulse Rate or Heart Rate detecting sensor
Plug and Play type sensor
Operating Voltage: +5V or +3.3V
Current Consumption: 4mA
Inbuilt Amplification and Noise cancellation circuit.
The PT100 sensor is just like a variable resistor, whose resistance varies with respect to the environment temperature. There are many types of PT100 sensors, the one we use here is a two wire one.