Follow: 
Copyright © 2008 Lion Precision. www.lionprecision.com
Download this video (right-click > Save Link/Target As): mpg (54M) | mp4 (14M)
Details two methods of capacitive, noncontact thickness measurement of a conductive target: Single Channel (Good), and Dual-Channel (Best). The high resolution of capacitive sensors results in very accurate, high resolution, noncontact measurement of thickness.
