Low cost handed liquid ultrasonic flow meter

Ultrasonic flowmeter transmission medium containing water and other liquid impurities, the flowmeter impulse pipe prone to fluid, the temperature will appear low pressure tube freezing phenomenon, especially in the northern region more common in winter. The solution: the impulse tube to carry out purging or heating with heat

Ultrasonic Water Flow Meter :https://www.kunlunsensors.com/productpage.php?pid=100

portable ultrasonic flowmeter :https://www.youtube.com/watch?v=lc3UQMjPm20