Ultrasonic flow meters are non-invasive devices that use acoustic vibrations to determine the flow rate of a liquid. There are two types of ultrasonic flow meters – Doppler and transit time. Both ...

The Doppler effect, discovered in 1842 by Christian Doppler, is familiar to most of us; stationary observers of waves such as sound waves will see wavelengths that depend on the relative motion ...

Utilities can improve water, gas and heating metering accuracy by an order of magnitude, while operating for up to 20 years on an “A”- size battery with Maxim’s MAXREFDES70# ultrasonic flow meter ...

Emerson has released the Daniel™ T-200, a titanium-housed transducer, for its gas ultrasonic flow meter product line, marking the first use of metal 3D printing to enhance the acoustic performance of ...