A peak flow meter is a device that measures how well your lungs expel air. The device is a valuable tool for people with a respiratory condition like asthma or COPD, because it helps track the ...
A peak expiratory flow rate (PEFR) measures how effectively you exhale. Also called a peak flow meter, this handheld device helps you document the amount of air and the speed at which you can ...
A flow meter works by measuring the amount of a liquid, gas, or steam flowing through or around the flow meter sensors. Flow meter sensors work in different ways, but with the same end goal: Provide ...
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