Primary transducer Vs Secondary transducer-Difference between Primary transducer and Secondary transducer

This page compares Primary transducer Vs Secondary transducer and mentions difference between Primary transducer and Secondary transducer.

Primary transducer

Definition:
The transducer which converts physical quantity into mechanical displacement is called primary transducer.
• The force detected by the column in first. Hence it is called primary transducer.
• It is a mechanical device.

Example:
• Bourdon Tube
• Diaphragm
• Bellows

Secondary transducer

Definition:
The transducer which converts mechanical displacement into electrical output is called secondary transducer.
• Output of primary transducer is converted into useful signal by secondary transducer.
• It is an electrical device.

Example:
• LVDT

The transducers can be classified as per figure-1 above into following types.
• Active and passive
• Analog and digital
• Primary and secondary
• Transducer and inverse transducer

Transducer Related Links

Difference between sensor and transducer
Difference between active transducer and passive transducer
Difference between analog transducer and digital transducer

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