Recorders & Medicine Systems offers Handheld Spirometer, Helios 401. Recorders & Medicine Systems is an ISO 9001 certified manufacturer of medical equipments used for neurology, cardiology, radiology, clinical diagnostics, etc. The Handheld Spirometer is used for Lung function screening. Handheld Spirometer ensures any calculation and measurement data management where no battery is required. This Handheld Spirometer ensures data backup on CD-ROM, Pen Drives, and external USB Drives facility.