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Information on Electronic Peak Flow Meter 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. Electronic Peak Flow Meter Electronic Peak Flow Meter: Peak Flow Meters are devices used by asthmatics to measure thier lung capacity. By plotting changes in readings which should be taken twice daily; it is ... Vitalograph asma-1 Electronic Peak Flow Meter Measures FEV1 as well as peak flow. Conforms to all peak flow meter standards. Simple to use. Large, easy to read display. Stores 600 test sessions. Quality of blow indicator
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