When to re-condition electrolytics

js at cimmeri.com js at cimmeri.com
Sat Feb 7 14:55:32 CST 2015

On 2/7/2015 3:47 PM, Noel Chiappa wrote:
> So, I'm about to bring up an old 11/10, and step a) is going to be getting the
> power supply up. So this means probably reconditioning some old electrolytics.
> So my question is 'should I _always_ recondition old caps

> or is there some way to tell if they are still OK'?
The process of reconditioning them tells 
you if they're still ok or not.

> E.g. if they check out OK on an ohmmeter (no dead shorts), and also on a ESR
> meter, does that mean they are good to go?

> Or should I just always recondition them?

> I ask because this power supply (H750) seems to be a switching supply, and so
> I can't use the simple VARIAC hack
*That's correct, but even if you could, 
the Variac method isn't very good, even 
with linears.*

*- J.*

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