| 摘要 |
-A capacitive sensor able to sense an electric field comprises a shielding tubular body which extends axially along its own axis, an electric field sensor positioned within said shielding tubular body, a source electrode, a mass of dielectric insulating material, in which the shielding tubular body (CTSa, CTSb) is formed by a mantle (Ma, Mb) having a plurality of first through openings (Aa, Ab), in which each of said first through openings (Aa, Ab) has an area comprised between a minimum of 0.1_mm2 and a maximum of 3_mm2. -A system and a method to obtain said capacitive sensor. |
