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Old 4th Dec 2017, 1:25 am   #11
Boater Sam
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Join Date: Dec 2013
Location: Middlewich, Cheshire, UK. & Winter in the Philippines.
Posts: 3,897
Default Re: Should an electrolytic capacitor have measurable resistance?

For less than a tenner, buy a Chinese Magic Box. It will tell you more about a capacitor than equipment costing 10 times as much.
And it will tell you what sort of component you have connected from a resistor through capacitors, inductors, diodes, transistors to Fets and whether it is any good.
Will not test caps to a high voltage but its invaluable for a quick ESR and leakage check.
Strangely I have noticed that when testing some electrolytic caps, it sometimes makes a small difference which way round it is connected. The 9v battery is safe on practically any component, mine is on the original PP3 after four years use.
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