Standard electrolytic caps, unless specified as precision, have a tolerance
of about -10% to about +20% of their nominal cap value. If you are using a
low cost cap meter, there may also be a 10% error to start with. The ESR
rating of the cap is also very important. As the cap ages, the ESR will go
up, and the cap value may decrease. In some cases the cap may start to go
resistive, or shorted.

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Greetings,

Jerry Greenberg GLG Technologies GLG
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"Bill" wrote in message
om...
Hi folks- If an electrolytic measures slightly over it's rated value
with a trusted meter, would you consider this cap bad thus replace it
? For example, if a 100uf measures 107uf, does that mean the cap is
drying out and must be replaced ? Thanks

Bill