Sonmol Digital Spirometer Peak Flow Meter (PEF) and Forced Expiratory

Digital Spirometer Peak Flow Meter (PEF) and Forced Expiratory Volume(FEV1) Smart Personal Portable Espirometer for Asthma COPD Features for the Lung Spirometer * Assist in early detection of acute asthma attacks. * Two parameters of PEF and FEV1 display on LCD screen only after a blow * Professional IT team support. * BLE protocol and SDK provided for the connectivity. * Pressure differential sensor applied ensures the high accuracy. * ATS ERS WRIGHT standards provided. * Easy to clean and disinfect. * Durable, compact and portable. * High repeatability, no calibration is needed after manufactured. * Self-check PEF predicted anytime, anywhere to assess asthmatic conditions * Peak Flow and FEV1 monitoring for asthma, COPD amp; other lung diseases * Washable Mouthpiece and Washable Wind Tube - The wind-tube and mouth-pieces are removable for easier cleaning, reconnect fully and blow to take measurements * Pressure differential sensor applied ensures the high accuracy APPLICABLE FOR: People looking out for their respiratory health, asthma sufferers, persons with respiratory problems and COPD, smokers, sportspersons, athletes, adults and kids above 4. Item specification : Power Supply DC3V (2 AAA Alkaline batteries) Display Segment LCD Measurement range Volume：0.5L ～ 8L ;Flow rate：60L/min ～ 840 L/min Accuracy Volume:±3％ or ±0.05L (whichever is greater);Flow rate：±10％ or ±18L/min ( whichever is greater) Linearity:Volume ±3％;Flow rate：≤ 5％ Repeatability:Volume ±3% or ±0.05L of reading ( whichever is greater);Flow rate：±5% or ±10 L/min of reading ( whichever is greater) Airflow resistance 0.35 kPa/L/s Flow Rate Frequency response ±12％ or ±15L/min ( whichever is greater) Size 142x48x56mm