Measures peak nasal inspiratory flow through the nasal passages; providing information of nasal obstruction. Objective measurement of nasal obstruction for diagnostic uses.
- Measures nasal inspiratory flow between 30–370 L/min
- Judge the degree of obstruction in the nasal airway
- Helps assess the benefits of therapeutic intervention by providing an objective assessment of nasal airway patency
- Supplied with medium mask, small masks are available
- Re-usable masks are also available