MESR-100 Capacitor Tester Ohm Meter: Professional Measurement for Capacitor Internal Resistance

It is a series resistor inside capacitor, using 100kHz to remove impedance 1/(2*pi*F*C). impedance become small, and can then measure true series resistor value. Using this theory, can measure capacitor is bad/ damaged or good in condition. Our ESR meter only applies less than 15mV or peak to peak on a good capacitor, as a result can use it as in circuit test. During repairing TV, LCD, Audio board, etc. can in circuit testing capacitor is good or not.