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	Sanwa Electric Instrument Co., Ltd.	Sanwa Electric Instrument Co., Ltd.

Tell me about the method of capacitance measurement using a tester.

Compatible models
All DMM
Question
Tell me about the method of capacitance measurement using a tester.
Answer
Generally, a commercially available tester employs the charging method to perform capacitance measurement. By applying a constant voltage or constant current to the capacitor to be measured, the capacitance can be obtained based on the charging time, voltage, and current. Therefore, when measuring a capacitor with large leakage current (aluminum electrolytic capacitor, etc.), the error will be large.