Aubrey Scoon also did a good write-up on the F-SCAN and he described some shortcomings he found on the early version that he tested. The square wave is not very square. The sine waves do have a hitch in the slope.
And, in the audio range, most people’s test results do look similar. Not identical, but similar. There are peaks near 1360, 2720, 4080 and so on whether you are testing a person, a banana, or a vial of salt water. I noticed that when I tested electrolytes with stainless probes, the results were very different in the various salts. Dilute hydrochloric acid was a series of simp ...
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