Vibronic-type transducer for a fluid flowing through a pipe, comprising: - an essentially straight measuring tube of a predefinable measuring tube diameter, designed to convey the fluid -- which communicates with the connected pipe via an inlet pipe element which opens into an inlet end (11#) and an outlet pipe element which opens into an outlet end (12#) and -- which is made to vibrate at least temporarily during operation, - a counter-oscillator of a predefinable counter-oscillator natural torsional frequency which is fixed at the inlet end and outlet end, - an exciter arranger acting on the measuring tube and the counter-oscillator, designed to make at least the measuring tube vibrate, and - a sensor arrangement designed to record vibrations of the measuring tube, - wherein an interior part of the transducer, formed at least by the measuring tube, the counter-oscillator and the sensor and exciter arrangement (50, 40) secured thereon, and suspended at least on the inlet pipe element and the outlet pipe element, has a centre of gravity that is located inside the measuring tube, namely on a longitudinal axis of the measuring tube that is aligned with the inlet pipe element and the outlet pipe element; and - wherein the interior part has a first principal axis of inertia which is inside the measure tube and is aligned with the inlet pipe element and the outlet pipe element, and - wherein, in order to generate shear forces in the fluid, the measuring tube performs at least in part torsional vibrations of a predefinable measuring tube torsional vibration frequency around an imaginary torsional vibration axis which is essentially aligned with the inlet pipe element and the outlet pipe element, and, in order to generate Coriolis forces in the fluid, at least temporarily performs flexural vibrations of a predefinable measuring tube flexural vibration frequency around the imaginary measuring tube longitudinal axis, - wherein the exciter arrangement is configured to generate the torsional vibrations and - wherein the exciter arrangement is configured to generate the flexural vibrations, particularly simultaneously with the torsional vibrations. - an essentially straight measuring tube of a predefinable measuring tube diameter, designed to convey the fluid -- which communicates with the connected pipe via an inlet pipe element which opens into an inlet end (11#) and an outlet pipe element which opens into an outlet end (12#) and -- which is made to vibrate at least temporarily during operation, -- which communicates with the connected pipe via an inlet pipe element which opens into an inlet end (11#) and an outlet pipe element which opens into an outlet end (12#) and -- which is made to vibrate at least temporarily during operation, - a counter-oscillator of a predefinable counter-oscillator natural torsional frequency which is fixed at the inlet end and outlet end, - an exciter arranger acting on the measuring tube and the counter-oscillator, designed to make at least the measuring tube vibrate, and - a sensor arrangement designed to record vibrations of the measuring tube, - wherein an interior part of the transducer, formed at least by the measuring tube, the counter-oscillator and the sensor and exciter arrangement (50, 40) secured thereon, and suspended at least on the inlet pipe element and the outlet pipe element, has a centre of gravity that is located inside the measuring tube, namely on a longitudinal axis of the measuring tube that is aligned with the inlet pipe element and the outlet pipe element; and - wherein the interior part has a first principal axis of inertia which is inside the measure tube and is aligned with the inlet pipe element and the outlet pipe element, and - wherein, in order to generate shear forces in the fluid, the measuring tube performs at least in part torsional vibrations of a predefinable measuring tube torsional vibration frequency around an imaginary torsional vibration axis which is essentially aligned with the inlet pipe element and the outlet pipe element, and, in order to generate Coriolis forces in the fluid, at least temporarily performs flexural vibrations of a predefinable measuring tube flexural vibration frequency around the imaginary measuring tube longitudinal axis, - wherein the exciter arrangement is configured to generate the torsional vibrations and - wherein the exciter arrangement is configured to generate the flexural vibrations, particularly simultaneously with the torsional vibrations.