Contec SP10 SpirometerContec SP10 Spirometer is a hand held device for checking lung conditions, adopts the infrared mode for measuring relative items, and is applicable for hospitals and clinics for routine testing. Features: Forced Vital Capacity (FVC), Forced Expired Volume in one second (FEV1), the ratio of FEV1 and FVC (FEV1%), Peak expiratory flow (PEF), 25% flow of the FVC (FEF25), 75% flow of the FVC(FEF75) and average flow between 25% and 75% of the FVC(FEF2575)
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