A mass flow measurement device comprising: a flow sensor tube; a drive device for vibrating the flow sensor tube; and a capacitive pick off sensor situated relative to the flow sensor tube so as to measure the twist in the flow sensor tube due to a Coriolis force, the capacitive pick off sensor comprising: first and second conductive plates connectable to a first voltage potential and situated adjacent the flow sensor tube connected to a second voltage potential, so as to define a gap between the flow sensor tube and the conductive plate, characterized by: the first and second conductive plates being embodied in a multilayer printed circuit board including a guard layer and a back layer coupled to a sensor block; and the first and second conductive plates being situated in a common plane such that the capacitance between the flow sensor tube and the first and second conductive plates, respectively, varies due to the relative motion of the flow sensor tube and the first and second conductive plates when the flow sensor tube is vibrated. a flow sensor tube; a drive device for vibrating the flow sensor tube; and a capacitive pick off sensor situated relative to the flow sensor tube so as to measure the twist in the flow sensor tube due to a Coriolis force, the capacitive pick off sensor comprising: first and second conductive plates connectable to a first voltage potential and situated adjacent the flow sensor tube connected to a second voltage potential, so as to define a gap between the flow sensor tube and the conductive plate, characterized by: the first and second conductive plates being embodied in a multilayer printed circuit board including a guard layer and a back layer coupled to a sensor block; and the first and second conductive plates being situated in a common plane such that the capacitance between the flow sensor tube and the first and second conductive plates, respectively, varies due to the relative motion of the flow sensor tube and the first and second conductive plates when the flow sensor tube is vibrated. first and second conductive plates connectable to a first voltage potential and situated adjacent the flow sensor tube connected to a second voltage potential, so as to define a gap between the flow sensor tube and the conductive plate, characterized by: the first and second conductive plates being embodied in a multilayer printed circuit board including a guard layer and a back layer coupled to a sensor block; and the first and second conductive plates being situated in a common plane such that the capacitance between the flow sensor tube and the first and second conductive plates, respectively, varies due to the relative motion of the flow sensor tube and the first and second conductive plates when the flow sensor tube is vibrated. the first and second conductive plates being embodied in a multilayer printed circuit board including a guard layer and a back layer coupled to a sensor block; and the first and second conductive plates being situated in a common plane such that the capacitance between the flow sensor tube and the first and second conductive plates, respectively, varies due to the relative motion of the flow sensor tube and the first and second conductive plates when the flow sensor tube is vibrated.