Electronic device for measuring at least one electrical characteristic of a given type of object, comprising: - a supporting base provided with at least two measuring units each comprising at least two sets of electrodes Ji with i integer greater than or equal to 2, each set (Ji) of electrodes comprising a number mi of electrodes greater than or equal to one, the electrodes of a set Ji of electrodes having a dimension in width (WJi), the electrodes of the sets of electrodes of the same measuring unit being interdigitated such that each electrode of one of the sets of electrodes Ji of said measuring unit is spaced by an inter-electrode distance (G(JiJi+1)) from an electrode, of the other of the sets of electrodes Ji+1 of said measuring unit, which is adjacent thereto; the electrodes of the sets of electrodes of a measuring unit forming for said measuring unit, a zone (ZJ1J2) for receiving at least one object of the given type defining, in this receiving zone, a discontinuous contacting zone with the electrodes of the measuring unit able to be in contact with an object of the given type, said contacting zone having a predetermined length according to the dimension in width of the electrodes corresponding to the sum of the widths (WJi) of the electrodes, and each receiving zone further comprising a discontinuous inter-electrode zone having a predetermined length according to the dimension in width of the electrodes of said measuring unit; - a measurement circuit connected to the sets of electrodes of each measuring unit to determine the current passing through the object; device wherein at least two measuring units differ from each other by the length of the contacting zones thereof and/or the length of the inter-electrode zones thereof, the measurement circuit being configured to determine a difference in the current values of the at least two measuring units and to determine a differential electrical contact resistance value between an object of the given type and the electrodes of each of the measuring units. - a supporting base provided with at least two measuring units each comprising at least two sets of electrodes Ji with i integer greater than or equal to 2, each set (Ji) of electrodes comprising a number mi of electrodes greater than or equal to one, the electrodes of a set Ji of electrodes having a dimension in width (WJi), the electrodes of the sets of electrodes of the same measuring unit being interdigitated such that each electrode of one of the sets of electrodes Ji of said measuring unit is spaced by an inter-electrode distance (G(JiJi+1)) from an electrode, of the other of the sets of electrodes Ji+1 of said measuring unit, which is adjacent thereto; the electrodes of the sets of electrodes of a measuring unit forming for said measuring unit, a zone (ZJ1J2) for receiving at least one object of the given type defining, in this receiving zone, a discontinuous contacting zone with the electrodes of the measuring unit able to be in contact with an object of the given type, said contacting zone having a predetermined length according to the dimension in width of the electrodes corresponding to the sum of the widths (WJi) of the electrodes, and each receiving zone further comprising a discontinuous inter-electrode zone having a predetermined length according to the dimension in width of the electrodes of said measuring unit; - a measurement circuit connected to the sets of electrodes of each measuring unit to determine the current passing through the object;