electrically testing a condenser

[alexiskai]

1. Using a meter with a capacitance function, measure the capacitance. Ideal spec is 200-250 nF; up to 350 nF is probably OK if it's stable.

2. Using the resistance function, measure the resistance. You should see the readout gradually increment up until it reaches infinity. If the readout plateaus at some number of ohms, that indicates leakage.

3. Place the condenser and the multimeter in series with a battery and measure the amperage. You should see the amps start at some number and drop to zero. If the amps don't reach zero, that indicates leakage.

4. Heat the condenser gently until it reaches about 150° and repeat tests 1-3.