Electronic apex locators have finally come of age! This article compares three devices (Root ZX, Analytic Technology and the Foramatron D-10 Apex Locator) in terms of accuracy, ease-of-use and price.
A "how-to" manual to help you understand what your locator is telling you: how it works . . . what it's really measuring . . . silly mistakes that may negate its incredible accuracy . . . and more!