ESR meter

[janengelbrecht]

I have built an incircuit ESR meter based on arduino.
My only problem is calibrating it.
I only have the AVR component tester from ebay TC-7. And we all know it isnt really that good.

Is there some industry standard methods to measure ESR with an oscilloscope, tonegenerator and perhaps a few components ?

[xtech]

Use resistor, then measure unknown capacitor and check if adding same resistor in series with capacitor changes reading by proper value.

[pqass]

Is there some industry standard methods to measure ESR with an oscilloscope, tonegenerator and perhaps a few components ?

Not industry standard but useful still...          calculations shown at 11:53.

[kripton2035]

I would use a simple small value like 1Ω resistor, it would be more than close to the real result, and enough to test if a capacitor is good or not.
I also have resistors to 50mΩ to check my esr meters ...