Abstract: A balancing device for a mass, comprising an arm that is adjustable about a pivoting point and with which the mass is coupled, and an adjustable spring system that is coupled with the arm, which spring system comprises at least one spring, wherein the spring system comprises an adjusting mechanism that is connected with the at least one spring, which adjusting mechanism is designed for adjusting the at least one spring so as to aid balancing the mass that is coupled with the arm, wherein a predetermined energy content of the spring system remains substantially the same.