The Micro 5000 Rhino is the module for the study and the measurement of the nasal airway resistance by the Active Anterior Rhinomanometry technique (kit for Active Posterior Rhinomanometry in option). Micro 5000 Rhino can be used as well as stand-alone device as integrated with our range of full Pulmonary Function instruments (particularly with the Nasal FeNO+ Device). Micro 5000 Rhino is the perfect diagnostic tool for The evaluation of the specific sensitivity of the nasal mucosa to different allergens The measurement of the pressure, the volume of air and the resistance encountered The highlighting of nasal obstruction