Method and device for electromagnetic flow measurement

摘要

The method involves switching a winding current with two different temporary switching frequencies that is alternating with each other. The winding current that is actuated in a clock cycle interval is sampled by a measuring voltage in a predetermined temporary connection of preceding induction current- switching time. Number of periods of the frequencies is varied in an irregular manner. An independent claim is also included for a magnetic-inductive flow meter for implementing a method measuring a flow rate of a flowing medium.