Fluid measuring devices, especially for the determination of volume and/or mass of a fluid per unit time, namely, flow meters using the Coriolis measuring principle, the vortex measuring principle, the ultrasonic measuring principle or the float body measuring principle

Fluid measuring devices, especially for the determination of volume and/or mass of a fluid per unit time, namely flow meters using the Coriolis measuring principle, the vortex measuring principle, the ultrasonic measuring principle or the float body measuring principle