An access control system for use in restricted areas and industrial environments (400,500,600,70,800,900) comprising at least one controlled electrostatic field sensor connected to at least one antenna, wherein said antenna is configured as a single electrode, such that said sensor is arranged to measure disturbances in the electrostatic field around said antenna in a selected direction; and said sensor is configured for detecting a disturbance in the electrostatic field generated by said antenna; said antenna is in position close to the restricted area and industrial environment (400,500,600,700,800,900); and said antenna is shielded to direct the electrostatic field generated around it to a desired point of interest; and wherein said sensor is arranged to: continuously measure the fluctuations in the electrostatic field caused by the influence of an object, such as a human body, close to said antenna; and shape the electromagnetic and electrostatic field generated in said antenna by taking the continuous measurement of the fluctuations in the electrostatic field around said antenna caused by the influence of said object close to said antenna; characterised in that said sensor is further connected to a control device (40,50,60,70,80,90) comprising: one or more processors (41,51,61,71,81,91), a memory (42,52,62,72,82,92), and one or more programs; wherein said program or programs are stored in the memory (42,52,62,72,82,92) and configured for being run by means of at least said one or more processors (41,51,61,71,81,91) 1, said programs including instructions for: characterizing said object generating the disturbance detected by said sensor through the changes in magnitude of the electrostatic field; focusing at least one camera (403,504,603,701a,701b,701c, 801, 901) on the area of action of at least one sensor with a detected disturbance; monitoring the area of action of a sensor with a detected disturbance; generating a control signal; and communicating with a central control unit. said antenna is configured as a single electrode, such that said sensor is arranged to measure disturbances in the electrostatic field around said antenna in a selected direction; and said sensor is configured for detecting a disturbance in the electrostatic field generated by said antenna; said antenna is in position close to the restricted area and industrial environment (400,500,600,700,800,900); and said antenna is shielded to direct the electrostatic field generated around it to a desired point of interest; and wherein said sensor is arranged to: continuously measure the fluctuations in the electrostatic field caused by the influence of an object, such as a human body, close to said antenna; and shape the electromagnetic and electrostatic field generated in said antenna by taking the continuous measurement of the fluctuations in the electrostatic field around said antenna caused by the influence of said object close to said antenna; characterised in that said sensor is further connected to a control device (40,50,60,70,80,90) comprising: one or more processors (41,51,61,71,81,91), a memory (42,52,62,72,82,92), and one or more programs; wherein said program or programs are stored in the memory (42,52,62,72,82,92) and configured for being run by means of at least said one or more processors (41,51,61,71,81,91) 1, said programs including instructions for: characterizing said object generating the disturbance detected by said sensor through the changes in magnitude of the electrostatic field; focusing at least one camera (403,504,603,701a,701b,701c, 801, 901) on the area of action of at least one sensor with a detected disturbance; monitoring the area of action of a sensor with a detected disturbance; generating a control signal; and communicating with a central control unit. continuously measure the fluctuations in the electrostatic field caused by the influence of an object, such as a human body, close to said antenna; and shape the electromagnetic and electrostatic field generated in said antenna by taking the continuous measurement of the fluctuations in the electrostatic field around said antenna caused by the influence of said object close to said antenna; characterised in that said sensor is further connected to a control device (40,50,60,70,80,90) comprising: one or more processors (41,51,61,71,81,91), a memory (42,52,62,72,82,92), and one or more programs; wherein said program or programs are stored in the memory (42,52,62,72,82,92) and configured for being run by means of at least said one or more processors (41,51,61,71,81,91) 1, said programs including instructions for: characterizing said object generating the disturbance detected by said sensor through the changes in magnitude of the electrostatic field; focusing at least one camera (403,504,603,701a,701b,701c, 801, 901) on the area of action of at least one sensor with a detected disturbance; monitoring the area of action of a sensor with a detected disturbance; generating a control signal; and communicating with a central control unit. characterizing said object generating the disturbance detected by said sensor through the changes in magnitude of the electrostatic field; focusing at least one camera (403,504,603,701a,701b,701c, 801, 901) on the area of action of at least one sensor with a detected disturbance; monitoring the area of action of a sensor with a detected disturbance; generating a control signal; and communicating with a central control unit.