A eletrodos.a present invention refers, generally, to ring electrodes and, more particularly, the bands of electrodes for the acquisition of signals by electrical impedance tomography.The belt electrodes for signal acquisition by electrical impedance tomography comprises at least a module (1), in which each module comprises at least two electrodes (3), and the center of each electrode (3) is provided at a predetermined distance from the centre (of) The at least one another adjacent electrode (3).