What is a Capacitance Meter?
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What is a Capacitance Meter?
Capacitance Meter Definition
A capacitance meter is a device used to measure the capacitance of discrete capacitors.
Working Principle
It operates based on the proportional relationship between capacitance and a time constant.
Measurement Method
Capacitance is measured using a 555 timer by calculating the time period of oscillations.
Role of 555 Timer
The 555 timer acts as an astable multivibrator, with its frequency determined by the unknown capacitance (CX).
Practical Use
Proper shielding of leads is necessary to avoid instability in low capacity measurements.
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