Practical Engineering on MSN2d
How to Measure Flow with Magnets - (Magnetic Flow Meters)
A magnetic flow meter relies on Faraday's Law of Induction to measure the flow of a fluid. Magnets outside the pipe create a ...
Verywell Health on MSN1y
Peak Flow Meter Use and How to Measure Your PEFR
Medically reviewed by Daniel More, MD A peak flow meter is used to measure your peak expiratory flow rate (PEFR). PEFR describes how quickly your lungs expel air during a forceful exhalation after you ...