METHOD FOR OPERATING A MAGNETIC-INDUCTIVE FLOWMETER AND MAGNETIC-INDUCTIVE FLOWMETER

原文（中国語）

A method for operating a magnetic-inductive flowmeter that comprises at least one measuring tube for conducting a flowing medium through the flowmeter. At least one magnetic field generator generates a magnetic field passing through the measuring tube in a measuring region. At least one pair of measuring electrodes in the measuring region of the measuring tube tap an electrical voltage induced in the medium in the measuring tube, and at least one control and evaluation unit which, in a flow measurement mode, determines a flow measurement value from the measured induced electrical voltage. In a conductivity measuring mode, a measuring current is fed into the medium in the measuring tube via circuit electrodes. The control and evaluation unit determines the electrical conductivity of the medium in the measuring tube on the basis of a measuring electrode voltage recorded by at least one of the measuring electrodes.