On Thu, Sep 17, 2015 at 5:09 AM, Erik Christiansen <dva...@internode.on.net> wrote: > On an old thread; 08.05.15 05:29, Mark Wendt wrote: >> I bought a little transistor/cap tester kit from Banggood a while back, > > Having followed suit, I was disappointed today to find a new/old-stock > great fat 10,000 uF electrolytic giving an ESR reading of 0.8 ohm. > Being, at least philosophically, Scottish, I thought I'd give reforming > the dielectric a go. (My method is just to put the multimeter on ohms > range, to apply a low voltage at low current. Mine emits + on the > negative terminal in ohms mode, so reverse connection of the leads is > needed.) > > When I came back later, the needle had crept up to full scale on ohms x 1, > and after briefly shorting with a screwdriver, just in case, retesting > gave an ESR of 0.03 ohms. > > I don't know how typical that improvement might be, but it does show > that a capacitor oughtn't be ruled out at first glance. > > Erik
I haven't checked my transistor/cap tester against a real ESR meter I have for my bench, so I don't know how accurate it is at that. My electronics stuff is all packed up right now, waiting to be put in the moving van, so I won't have a chance to play for a while. We close on October 15th (hopefully), and then I put Washington DC in the rear view mirror. Mark -- One Man, One Machine, One Computer! <VBSEG> ------------------------------------------------------------------------------ Monitor Your Dynamic Infrastructure at Any Scale With Datadog! Get real-time metrics from all of your servers, apps and tools in one place. SourceForge users - Click here to start your Free Trial of Datadog now! http://pubads.g.doubleclick.net/gampad/clk?id=241902991&iu=/4140 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
