Procedure to commission an electromagnetic flowmeter, wherein said flowmeter comprises components designed to generate a magnetic field B wherein an electrical voltage U is applied to the components to generate the magnetic field B, and at least one pair of measuring electrodes designed to detect a potential difference in a medium, wherein a settling of components takes place during a settling time t a for the purpose of stabilizing the magnetic field B, until the following applies: B ist − B soll B soll < Δ, wherein Δ is less than 0.25 %, wherein B ist corresponds to a magnetic field end value of a current actual state of the magnetic field, wherein B soll corresponds to the magnetic field end value of a stabilized state of the magnetic field in which the following applies for any magnetic field B* (t): B * t − B * t + 2 k ⋅ t m, j B * t < 1 / 1000, wherein k is a natural number greater than or equal to 1000, wherein a first voltage curve A is applied to the components for the generation of the magnetic field during the settling time t a, wherein a measuring time t m commences after the settling time t a, wherein a second voltage curve M is applied to the components for the generation of the magnetic field during the measuring time t m, wherein the settling time t a is divided into N first time intervals which each last a first interval duration t a,i with i ∈ [1, 2,..., N], wherein the measuring time t m is divided into second time intervals which each last a second interval duration t m,j with j ∈ N, wherein an average of all the first interval durations t a,l is always less than an average of all the second interval durations t m,J, wherein the applied electrical voltage U changes sign after every first interval duration ta, i and after every second interval duration t m,j. wherein said flowmeter comprises components designed to generate a magnetic field B wherein an electrical voltage U is applied to the components to generate the magnetic field B, and at least one pair of measuring electrodes designed to detect a potential difference in a medium, wherein a settling of components takes place during a settling time t a for the purpose of stabilizing the magnetic field B, until the following applies: B ist − B soll B soll < Δ, wherein Δ is less than 0.25 %, wherein B ist corresponds to a magnetic field end value of a current actual state of the magnetic field, wherein B soll corresponds to the magnetic field end value of a stabilized state of the magnetic field in which the following applies for any magnetic field B* (t): B * t − B * t + 2 k ⋅ t m, j B * t < 1 / 1000, wherein k is a natural number greater than or equal to 1000, wherein a first voltage curve A is applied to the components for the generation of the magnetic field during the settling time t a, wherein a measuring time t m commences after the settling time t a, wherein a second voltage curve M is applied to the components for the generation of the magnetic field during the measuring time t m, wherein the settling time t a is divided into N first time intervals which each last a first interval duration t a,i with i ∈ [1, 2,..., N], wherein the measuring time t m is divided into second time intervals which each last a second interval duration t m,j with j ∈ N, wherein an average of all the first interval durations t a,l is always less than an average of all the second interval durations t m,J, wherein the applied electrical voltage U changes sign after every first interval duration ta, i and after every second interval duration t m,j.