A device for determining and/or monitoring at least two process variables of a medium in a container, comprising a first and a second oscillating element, a first and a second drive/receiving unit, and electronics, wherein the first drive/receiving unit is configured to cause the first oscillating element to mechanically oscillate by means of a first electrical excitation signal, and to receive the mechanical oscillations of the first oscillating element and convert these into a first electrical received signal, wherein the second drive/receiving unit is configured to cause the second oscillating element to mechanically oscillate by means of a second electrical excitation signal, and to receive the mechanical oscillations of the second oscillating element and convert these into a second electrical received signal, and wherein the electronics are configured to determine a first process variable on the basis of the first received signal and a second process variable on the basis of the second received signal, wherein the first oscillating element and/or the first drive/receiving unit are arranged and/or configured in such a way that the first oscillating element generates oscillations in a first prespecifiable, in particular imaginary, plane, wherein the second oscillating element and/or the second drive/receiving unit are arranged and/or configured in such a way that the second oscillating element generates oscillations in a second prespecifiable, in particular imaginary, plane, wherein the first and the second planes are positioned at a first prespecifiable angle relative to each other, or wherein the first oscillating element and/or the first drive/receiving unit, and the second oscillating element and/or the second drive/receiving unit are arranged and/or configured in such a way that the first and the second oscillating elements generate oscillations in a prespecifiable, in particular imaginary, third plane, wherein at least the first and the second oscillating elements have a different design, or the two oscillating elements (11a, 11b) are arranged differently relative to at least one other component of the device. a first and a second oscillating element, a first and a second drive/receiving unit, and electronics, wherein the first drive/receiving unit is configured to cause the first oscillating element to mechanically oscillate by means of a first electrical excitation signal, and to receive the mechanical oscillations of the first oscillating element and convert these into a first electrical received signal, wherein the second drive/receiving unit is configured to cause the second oscillating element to mechanically oscillate by means of a second electrical excitation signal, and to receive the mechanical oscillations of the second oscillating element and convert these into a second electrical received signal, and wherein the electronics are configured to determine a first process variable on the basis of the first received signal and a second process variable on the basis of the second received signal, wherein the first oscillating element and/or the first drive/receiving unit are arranged and/or configured in such a way that the first oscillating element generates oscillations in a first prespecifiable, in particular imaginary, plane, wherein the second oscillating element and/or the second drive/receiving unit are arranged and/or configured in such a way that the second oscillating element generates oscillations in a second prespecifiable, in particular imaginary, plane, wherein the first and the second planes are positioned at a first prespecifiable angle relative to each other, or wherein the first oscillating element and/or the first drive/receiving unit, and the second oscillating element and/or the second drive/receiving unit are arranged and/or configured in such a way that the first and the second oscillating elements generate oscillations in a prespecifiable, in particular imaginary, third plane, wherein at least the first and the second oscillating elements have a different design, or the two oscillating elements (11a, 11b) are arranged differently relative to at least one other component of the device.