NSpiro Spirometer System provides fast and accurate pulmonary analysis and reliable Spirometry measurements. Optimal for asthma management, early detection of respiratory disorders, and pharmaceutical trials. It features unique flow transducers designed to meet all ATS Flow and Volume waveforms and an incredibly low Dead Space. With the revolutionary snap change system, operators never have to touch a used flow transducer again! The system is easy to connect to a PC through a USB connection, providing ease of use and efficiency.