A method for operating a flow measuring point for media with at least one liquid phase, comprising: A Coriolis measuring device for measuring a mass flow and a density of a medium flowing through a pipeline, wherein the Coriolis measuring device has at least one measuring tube with an inlet (11.1) and an outlet (11.2); wherein a differential pressure measuring device is configured to measure a differential pressure between a flow area (3.1) arranged upstream of an object that is obstructing the flow, in particular the Coriolis measuring device, and a flow area (3.2) arranged downstream of an object that is obstructing the flow, wherein the method comprises the following steps: Checking a media state using the Coriolis measuring device; - If a purely liquid medium is detected: Measuring a first density of the medium using the Coriolis measuring device and saving a measured value for the first density (102.1); Measuring a first mass flow using the Coriolis measuring device (102.2); Determining a first viscosity of the medium based on the first density, the differential pressure, and the first mass flow, and saving a measured value for the first viscosity (102.3), - If a gaseous component is detected in the medium: Determining a first Reynolds number of the medium (103.1) using - the first viscosity; - the first density and/or a second density of the medium measured using the Coriolis measuring device if the gaseous component is detected; - a second mass flow measured using the Coriolis measuring device if the gaseous component is detected, Determining a third mass flow based on the differential pressure and the first Reynolds number (103.2). A Coriolis measuring device for measuring a mass flow and a density of a medium flowing through a pipeline, wherein the Coriolis measuring device has at least one measuring tube with an inlet (11.1) and an outlet (11.2); wherein a differential pressure measuring device is configured to measure a differential pressure between a flow area (3.1) arranged upstream of an object that is obstructing the flow, in particular the Coriolis measuring device, and a flow area (3.2) arranged downstream of an object that is obstructing the flow, wherein the method comprises the following steps: Checking a media state using the Coriolis measuring device; - If a purely liquid medium is detected: Measuring a first density of the medium using the Coriolis measuring device and saving a measured value for the first density (102.1); Measuring a first mass flow using the Coriolis measuring device (102.2); Determining a first viscosity of the medium based on the first density, the differential pressure, and the first mass flow, and saving a measured value for the first viscosity (102.3), - If a gaseous component is detected in the medium: Determining a first Reynolds number of the medium (103.1) using - the first viscosity; - the first density and/or a second density of the medium measured using the Coriolis measuring device if the gaseous component is detected; - a second mass flow measured using the Coriolis measuring device if the gaseous component is detected, Determining a third mass flow based on the differential pressure and the first Reynolds number (103.2). - If a purely liquid medium is detected: Measuring a first density of the medium using the Coriolis measuring device and saving a measured value for the first density (102.1); Measuring a first mass flow using the Coriolis measuring device (102.2); Determining a first viscosity of the medium based on the first density, the differential pressure, and the first mass flow, and saving a measured value for the first viscosity (102.3), Measuring a first density of the medium using the Coriolis measuring device and saving a measured value for the first density (102.1); Measuring a first mass flow using the Coriolis measuring device (102.2); Determining a first viscosity of the medium based on the first density, the differential pressure, and the first mass flow, and saving a measured value for the first viscosity (102.3), - If a gaseous component is detected in the medium: Determining a first Reynolds number of the medium (103.1) using - the first viscosity; - the first density and/or a second density of the medium measured using the Coriolis measuring device if the gaseous component is detected; - the first viscosity; - the first density and/or a second density of the medium measured using the Coriolis measuring device if the gaseous component is detected; - a second mass flow measured using the Coriolis measuring device if the gaseous component is detected, Determining a third mass flow based on the differential pressure and the first Reynolds number (103.2).