Lungtest Handy is a small portable diagnostic spirometer to be directly connected with a PC via USB. The examination safety is based exclusively on the accessories provided in the set without any need to use anti-bacterial filters. Lungtest Handy spirometer is easy to use and to maintain. High measurement accuracy and technologically advanced software allow to perform with Lungtest Handy the slow spirometry, flow-capacity curve and the maximal minute ventilation. The full system of control over the correctness and quality of the performed examination compliant with the ERS and ATS guidelines, and the possibility to interpret and report the results of the performed examinations put the Lungtest Handy spirometer on a par with the specialised diagnostic spirometric systems.