Abstract: A method for compensating the influence of at least one of the parameters from the group consisting of flow rate, viscosity, density and Reynolds number of a fluid to be measured on the measured flow rate and/or density of this fluid in a Coriolis mass flow meter with the aid of an equation using the parameters of the current Reynolds number of the fluid to be measured in the Coriolis mass flow meter, the maximum compensation value for Reynolds numbers approaching zero, the Reynolds number at which the curve of the compensation value has the largest slope, and the slope of the curve of the compensation value at the point Rec. Moreover, the invention relates to a Coriolis mass flow meter with a control device for carrying out the method.

Abstract: A Coriolis mass flow meter, comprising a housing with an inlet and an outlet for a fluid medium, which are arranged along a flow axis, two measuring tubes configured to allow the fluid medium to flow through them in a flow direction and arranged between the inlet and the outlet and having a measuring tube circumference on their external surface, a fixing element which connects the two measuring tubes in the region of the inlet and/or the outlet in such a manner that they are fixed in position relative to one another, wherein the fixing element includes a first connecting member and a second connecting member connected to both measuring tubes, and wherein each of the connecting members rests against the measuring tubes in such a manner that a part of the measuring tube circumference of each measuring tube remains free.

Abstract: A field device configured to measure a state amount of a fluid as a measured value, the field device includes a slug flow detector configured to detect an occurrence of a slug flow, and a controller configured to hold a hold value of the measured value if the occurrence of the slug flow is detected by the slug flow detector, the hold value being a value based on at least one measured value in a predetermined period from a predetermined time before a time at which the slug flow has been detected.

Abstract: The invention relates to a variable-area flow meter with a measuring tube in which a float provided with at least one permanent magnet and movable by a fluid flowing through the measuring tube is arranged, and with an indicating device arranged outside the measuring tube, said indicating device comprising a magnet holder rotatably mounted about a rotation axis, said magnet holder holding at least one follower magnet that follows the movement of the permanent magnet, and having an indicating element which reflects the movement of the at least one follower magnet, wherein at least one follower magnet in the magnet holder is arranged in such a manner that its magnetic axis is inclined in relation to the rotation axis by an angle (?) not equal to 90°.

Abstract: The invention relates to a temperature measurement system for measuring a temperature of a tube, comprising a temperature sensor contained in a housing having a contact surface which is connected to an outer surface of the tube, wherein the contact surface has a concave form matching a form of the outer surface of the tube, and wherein a temperature-conductive, flexible intermediate layer is arranged between the contact surface and the outer surface of the tube. A further object is a flowmeter, particularly a Coriolis mass flowmeter, comprising the temperature measurement system.

Abstract: A field device configured to measure a state amount of a fluid as a measured value, the field device includes a slug flow detector configured to detect an occurrence of a slug flow, and a controller configured to hold a hold value of the measured value if the occurrence of the slug flow is detected by the slug flow detector, the hold value being a value based on at least one measured value in a predetermined period from a predetermined time before a time at which the slug flow has been detected.

Abstract: A tuning fork, particularly for a Coriolis mass flowmeter, and method of assembly comprising providing a first and a second measuring tube; providing a driver holder per measuring tube; providing at least one sensor holder per measuring tube; providing a first bracket part and fixing it to opposing portions of said first and second measuring tube such that said bracket part forms a bridge between said measuring tubes at positions corresponding to said driver holders; providing at least one second bracket part and fixing it to opposing portions of said first and second measuring tube such that said second bracket part forms a bridge between said measuring tubes at positions corresponding to said sensor holders; fixing at least one additional part of the tuning fork to the bracketed measuring tubes; severing said first bracket part; and severing said second bracket part. The disclosure additionally provides a tuning fork pre-stage.

Abstract: The invention relates to a Coriolis mass flow meter comprising two U-shaped measuring tubes having in each case two outer tube portions and an intermediate central tube portion. It comprises a vibration exciter for the purpose of effecting defined excitation of a movement of the measuring tubes, two vibration sensors for detecting movements of the measuring tubes and also a housing for accommodating at least parts of the measuring tubes. The inlets and outlets are rigidly connected to the housing. A first and a second cross brace, disposed in the region of the tube between its inlets and outlets for the purpose of coupling the two measuring tubes, form the vibration nodes of the measuring tubes. A tube portion of one measuring tube is integrally united with a tube portion of the other measuring tube. Furthermore, the two tube portions are integrally united with parts of the housing or integrally united with of one of the cross braces.

Abstract: The invention relates to a Coriolis mass flow meter with improved zero point stability. The Coriolis mass flow meter has a pair of U-shaped measuring tubes. According to one embodiment of the invention, the Coriolis mass flow meter comprises a special housing for vibration compensation or vibration suppression in the region of the process connectors. Additionally or alternatively, a specific mass distribution of the vibration exciter and/or vibration sensor is provided, in order to neutralize unwanted vibrations by actively causing vibration.