The ultrasonic time-of-flight (TOF) difference method is employed to measure the gas flow rate, followed by ultrasonic signal ... The highly reliable ultrasonic gas meter presented in this article ...

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 fully inhale. Regularly conducting a ...

What is peak flow measurement? Peak flow measurement is a quick test to measure air flow out of the lungs. The measurement is also called the peak expiratory flow rate (PEFR) or the peak expiratory ...

In this tutorial, we'll guide you through interfacing an Arduino with an ultrasonic sensor… ...

This method is easy, quick, and secure. The outcomes can be directly viewed on the portable density meter. To achieve even more flexibility, users can export the results from the Density2Go to ...

Portable monitors are gaining popularity, and it’s easy to see why. They are a boon to both desktop and laptop users. While portable monitors might not reach the large screen sizes of ...

My team and I put the best portable projectors to the test - and these are our top-reviewed recommendations for screening movies, presentations, and games from your computer, phone, and tablet.

The circulatory response to ultrasonic irradiation of the upper limbs was measured under controlled conditions by venous occlusion plethysmography. Volumetric blood flow changes were related to ...

We put the best portable monitors to the test - and these are our top recommendations for extending your laptop screen, games console, or desktop monitor. From comparing screen resolution and size ...

The Canon Pixma TR150 Wireless Portable Printer is one of the most portable and most capable inkjet printers available. Just 4.5 pounds without its optional battery, or 5.1 pounds with it, it's ...