Measuring air flow in an HVAC duct can be a tricky business. Paddle wheel and turbine flow meters introduce not only resistance but maintenance issue due to accumulated dust and debris. Being able to ...

These are the type of flow meters that measure the velocity of liquid or gas by using the principle of ultrasound or sounds waves. Fast digital signal processors and sophisticated signal analysis ...

Titan Enterprises discuss the advantages and disadvantages of clamp-on and in-line ultrasonic flowmeters and the process applications most suited for these types of measuring devices. Ultrasonic flow ...

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 ...

A water flow meter is an instrument capable of measuring the amount of water passing through a pipe. Several water flow meter technologies are available for selection depending on the water ...

For measurements in the mechanical lung model and in the animal experiment, a Bourns Bear Cub infant ventilator (Palm Springs, CA, U.S.A) with a constant-circuit flow was used. The ventilator provided ...