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23 Jan 2012

author Roman Black:

Roman Black has described an easy to build Pic based high resolution capacitance meter on his web site. In need of a way to measure my junk box cap collection, I quickly saw the advantage of his design and built a copy.

When using a DMM cap tester it is soon apparent that they work well on the larger caps, which is not really that helpful as the large caps are usually well marked. Small caps, in the pf and nano range, are a different story, tiny cryptic markings, if at all, and inconsistent, non-repeatable readings on the DMM.

What a treat then to use Roman’s 0 to 50 MFD cap tester and be able to read down to several pf, with rock steady, repeatable results.

High Resolution Capacitor Meter - [Link]

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