> -----Original Message----- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Ken > Seefried > Sent: 29 September 2015 22:24 > To: cctalk@classiccmp.org > Subject: ESR Meter Recommendations > > I'm going to be working on my 11/730s power supply, so I'm in the market for > an ESR meter. I've seen some (older) recommendations for the AnaTek > 'Blue' and various 'Dick Smith' derivatives. However, eBay is flooded with > knockoff Mega328 based ESR/Transistor/SCR/etc. testers all looking like: >
The software is open source and as there is no single supplier "knock off" isn't perhaps appropriate.. > http://www.amazon.com/DROK-Multifunction-Mega328-Transistor- > Capacitor/dp/B00NKY3M1W/ref=sr_1_16?ie=UTF8&qid=1443561246&sr=8- > 16&keywords=esr+meter > > Anyone had any experience with one of these devices? I have one. I havn't used it for checking ESR but it works at a low voltage so it may not be effective on big caps. On the other hand this http://www.peakelec.co.uk/acatalog/jz_esr60.html retails for nearer $130 and when I checked it also measures at 3v. Lots more comments here:- http://www.eevblog.com/forum/testgear/$20-lcr-esr-transistor-checker-project/ > > KJ Dave G4UGM