Portable apparatus for measuring dielectric characteristics and / or magnetic samples

A portable apparatus (1) comprises first (3) and second (4) connectors clean to guide an electromagnetic wave, a sample holder (5) installed between the first (3) and second (4) connectors and having a cavity ( 10) accommodating a sample (2), an electronic module (6) comprising a generator (32) electromagnetic wave, and processing means (33) adapted to analyze the exiting electromagnetic wave of the second connector (4) for supplying a first measurement of permittivity and / or a second measurement of magnetic permeability, a computer equipment (7) comprising control means (36) adapted to control the operation of the electronic module (6) and recovering each first or second measurement, and a container (8) and portable housing the first (3) and second (4) connectors, the sample holder (5), the electronic module (6) and the computer equipment (7).