Transducers play an important role in the field of instrumentation and control engineering. Any energy in a process should be converted from one form into another form to make the communication from one rectification sector to another.
Transducer is a device which converts one form of energy into another form i.e,. the given non-electrical energy is converted into an electrical energy.
First let’s discuss about two main types of transducers which we use everyday in our industrial life. They are
There are two types of transducers, they are:
Active transducer is a device which converts the given non-electrical energy into electrical energy by itself. Thermocouple, Photovoltaic cell and more are the best examples of the transducers
Passive transducer is a device which converts the given non-electrical energy into electrical energy by external force. Resistance strain gauge, Differential Transformer are the examples for the Passive transducers.
The classification of transducers are made from the following basis:
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