Ultrasonic Flow Meter

[Chelly]

I would like to know a positive feedback on this product, ultrasonic flow meter . I am planning to buy this one for my coffee shop.

Does anyone here use this?

 

[Chelly]

My friend suggested me to visit this site https://www.abestmeter.com/portable-ultrasonic-flow-meters/. Any reviews on this product?

 

[Musicphan]

For what purpose?