passive transducer

What is transducer? What are the selection criteria of transducer?

What is transducer? What are the selection criteria of transducer?

Before discussing about what is transducer, first we shall see basic difference between sensor and a transducer. They both are used to sense a change within the environment they are surrounded by or an object they are attached to. However, a sensor will give an output in the same format and a transducer will convert the measurement into an electrical signal.
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