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Information on Peak Flow Meter Results Web Listings Publications News Topics Information A spirometer is an apparatus for measuring the volume of air inspired and expired by the lungs. It is a precision differential pressuretransducer for the measurements of respiration flow rates. The spirometer records the amount of air and the rate of air that is breathed in and out over a specified time. The Spirometer and attached flow head function together as a pneumotachometer, with an output signal proportional to airflow. It was invented by John Hutchinson in 1846. [CaRP] XML error: Mismatched tag at line 2 Peak flow meter - Wikipedia, the free encyclopedia When peak flow is being monitored regularly, the results may be recorded on a peak flow chart. It is important to use the same peak flow meter every time. Using a Peak Flow Meter to Manage Asthma This reading is your peak expiratory flow (PEF). To ensure the results of your peak flow meter are comparable, be sure to use your meter the same way each time you take a reading.
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