On Fri, 29 Mar 2013 23:58:13 -0000, "bm" wrote:


"Andrew Gabriel" wrote in message
...
In article ,
Jules Richardson writes:

I seem to be accumulating a pile of things with faults that are most
likely down to dodgy capacitors, but my homebrew ESR meter's one of those
things that is still in deep storage back in the UK. So...

I repair lots of things, but I haven't yet needed an ESR meter.
To test, I simply parallel up a new capacitor, and see if that
fixes the issue.

+1
In 48 years I've never needed one. If I can't fix it with a DMM/AVO, scope,
logic analyser etc it either 'aint worth fixing or I'm incapable. Maybe it
depends on the type of kit you're playing with. Same as TDRs, never needed
to use one.


I thought they were a gimmick un till I started to use one in a
workshop and I changed my mind pretty quickly.
It was a "Bob Parker" similar to the black one here
http://www.flippers.com/BlueEsr.html

although that page doesn't mention the laudable beep you hear if the
ESR is under a couple of ohms (forgot the exact figure.
If they have removed that feature it's a big mistake IMHO.
You can test in circuit with the power off. Saves a lot of time, and
time = money

--
Graham.

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