A nonmetal stem that attaches the searchcoil to the control shaft eliminating metallic interference in the detection pattern On some detectors, the entire lower shaft is made of a nonmetal substance
{i} one who or that which secludes, one who or that which isolates; one who or that which separates, one who or that which removes; one who places in quarantine
An RF device that allows RF energy to flow with low loss in one direction, but presents high attenuation in the other direction Typically an isolator is made by terminating one port (3) of a circulator Power reflected back into the output port (2) is absorbed by the termination