parallel plate sensor is used to determine:-

Baker Steve

Joined Feb 21, 2016
Professor Wikipedia does not recognize any such thing as a 'parallel plate sensor'. FWIW, nor do I. For a start, what material are the plates in? Liquid? Gas? Solids? Fluidized solids? Wheat? Outer space? It matters.


Joined Jan 18, 2008
The TS may be interested in reading a NASA investigation of capacitance for proximity detection. Here is just one link:

I have also attached a pdf with more technical details. There is an appendix to that report that is much larger (about 3.2 MB) that I can't upload. If interested, you might be able to still find it on the web. I made one like this a little over 10 years ago: