Em 9/3/2011 05:42, G=E1l Zsolt escreveu:
> Here is an alternative based on the previous mentioned LC meters:
>
> http://www.hobbielektronika.hu/kapcsolasok/lcm3_alkatresz_mero_muszer_-_k=
it_lehetoseg.html
>
> It measures series resistance of electrolitic capacitors and the
> memory effect also. It is uses about 90kHz frequency for measureing
> it. You can find the full documentation on that page. I offer google
> translator for reading it.


At 90kHz, this meter will also not work correctly for most electrolytic
and polyester capacitors.

The commercial LCR meters I know use two test frequencies, 120Hz and 1kHz.


Isaac

--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.