Contec Electronic Digital LED Spirometer + Inbuilt Memory + USB Cable + Software

Product Description Designed for daily home healthcare and clinics Light weight and portable size 1.8" 160x128 TFT display, led backlight. Simple operation and rapid test. Basically analyse and state explain. Provide rate-volume and volume-time waveform used for diagnosing to doctor Inner flash memory for data storage, and the storage data can be uploaded to computers via USB Power capacity indication and automatic power off in 1 minute. Will measure: Forced Vital Capacity (FVC) Forced Expired Volume in one second (FEV1) FEV1 and FVC Ratio (FEV1%) Peak expiratory flow (PEF) 25% flow of the FVC (FEF25) 75% flow of the FVC (FEF75) average flow between 25% and 75% of the FVC (FEF2575) Box Contains SP10 Spirometer User Manual USB cable (for data transfer and charging) Software CD