Patent ID: 8631712

Claim:
A method for detecting complete or partial plugging of a measuring tube of a Coriolis flow measuring device, which is insertable into a pipeline, and which includes a measuring transducer of the vibration type including at least two measuring tubes connected for parallel flow; wherein a medium flows through the Coriolis flow measuring device, and wherein, via the Coriolis flow measuring device, in the context of a Coriolis mass flow measuring, a total mass flow of the medium through the Coriolis flow measuring device is determined, said method comprising: measuring a subset flow occurring in a subset of the measuring tubes; comparing a subset flow value obtained from said measuring with a reference value to be expected for this subset, wherein the reference value is determined from the total mass flow determined in the context of the Coriolis mass flow measuring; and detecting plugging of at least one measuring tube of the measuring transducer, if the subset flow value deviates from the reference value by more than a limit value.