Being able to measure ducted airflow cheaply and non-intrusively, like with this ultrasonic flow meter, could be a big deal for DIY projects and the trades in general. The principle behind the ...

make every SmartTrak simple to integrate into the user’s digital communications network. DIY calibration: If the users choose to calibrate their own mass flow controllers and meters in-house, Sierra ...

The Gasboard-8500FS-X200 has a flow rate in the range of 240 L/minute. The system has been designed to have ultrasonic technology as well as TOF (time of flight) measurement. The system delivers ...

His first video deals with using with ultrasonic sensors. He found an interesting white paper that described measuring airflow with a single-path acoustic transit time flow meter. The question ...