Relative Permittivity Meter Using a Capacitive Sensor and an Oscillating Current Source. - Daniel de Almeida Arantes; Luiz Eduardo Borges da Silva; Carlos Eduardo Teixeira; Mateus Mendes Campos; Germano Lambert-Torres; Erik Leandro Bonaldi; Levy Ely de Lacerda de Oliveira; Germando Araújo da Costa (IECON, 2019)