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 ...

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 ...

Ultrasonic measurement systems rely on hydrophones to convert acoustic pressure fields into electrical signals for applications ranging from medical diagnostics and high-intensity therapeutic ...

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 ...

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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 ...

In the world of gas measurement, every molecule that reaches the burner tip has likely been scrutinized by an ultrasonic meter at least once. The journey of ultrasonic meter technology dates back to ...

The detection principle of this sensor is shown in Fig. 1e. This principle combines the concepts of thermal loss and thermal temperature difference, effectively expanding the measurement range. The ...

In Part 1 of this series, we covered the fundamental concepts and principles incorporated by flow meters along with various flow measurement methods used in mechanical flow meters. Part 2 covers the ...