Advantages, disadvantages and applications of capacitive transducer

Advantages:

There are some advantages of capacitive transducer which are given below,

• It requires small power to operate.
• The loading effect is less due to high input impedance.
• The sensitivity of capacitive transducer is high.
• The capacitive transducer is useful for small system.
• It has good frequency response.

Disadvantages:

There are some disadvantages of capacitive transducer which are given below,

• The output impedance depends upon the frequency used.
• The capacitance may get changed by dust particle and moisture which produce error.
• The capacitive transducers are temperature sensitive.
• It gives non linear behavior.

Applications:

There are some important applications of capacitive transducer which are given below,

• It is used for measurement of linear and angular displacement.
• The capacitive transducers are used to measure humidity in gases.
• It is used to measure volume, liquid level, density etc.