This is a battery powered waterflow meter project I did freelancing in 2015 ... The signal propagation will be influenced by the flow flowing at a speed V. The propagation time of the signal from the ...

A peak flow meter is a portable handheld device used to measure how well a person with asthma can blow air out of the lungs. (Asthma narrows the airways, making breathing difficult.) The person blows ...

and that amount is instantly shown on the display on top of the water meter in cubic meters (m³). The only way for water to be measured is for it to flow through the water meter, physically spinning ...

With a thaw forecast for tomorrow, NI Water is calling on farmers to help check water supplies for leaks and bursts this ...

Peak flow meters help people with asthma know how well their lungs are working. A peak flow meter can tell if someone's airways have narrowed even before the person coughs, wheezes, or has trouble ...