This study presents a comprehensive benchmarking of six commercially available peak expiratory flow meters (PFMs), using a precise experimental spirometric test bench. Eight peak expiratory flows (PEF ...

A peak flow meter is a tool that measures the peak expiratory flow rate (PEFR). The PEFR is the amount of air a person can quickly force out of their lungs in one breath. Using a peak flow meter ...

The peak expiratory flow (PEF) is an objective measure of lung function that has been widely used in the diagnosis and monitoring of asthma 1. Despite this, adherence levels to PEF monitoring have ...

Peak flow meters are portable devices that are easy to use at home, in school, or on the go. They’re used to measure a person’s ability to exhale air forcefully out of their lungs. If you have a ...

Panasonic has released an ultrasonic meter that can simultaneously measure hydrogen flow rates and concentration in high humidity. Ultrasonic flow meters use ultrasound to measure the velocity of ...