Device for the gravimetric detection of particles in a fluid medium, comprising an oscillator through by a fluid stream, METHOD FOR PRODUCING and method of implementing the device

The invention about a device for the gravimetric detection of particles in fluid medium providing both an important quality factor, operating conditions easier, smaller footprint and a low production cost. To this end, the invention relates to a device for the gravimetric detection of particles in a fluid medium, comprising an electromechanical oscillator (1) plane, supporting means for the oscillator and means for actuating said oscillator, said means being arranged to provide vibration of the oscillator (1) in its plane, said device further comprising a channel (4) for the passage of fluid, said channel being in fluid communication with a through cavity (1b) in said oscillator .