FIELD: measuring of the volume flow or mass flow of fluid.
SUBSTANCE: system has coil mounted in front of the first end of the magnet, whose second end is tightly fitted in the metal bushing welded to the holder of the magnet. The coil is secured to the spacing member which is a counterbalance for the magnet. The walls of the holder at leas in part embrace the magnet to direct the magnetic flux from the second end of the magnet to the coil.
EFFECT: enhanced reliability.
4 cl, 3 dwg
