This pipe air flow sensor designed on the basis of the principle of hot-wire. It can quickly and accurately measure tiny air flow precisely.

Specification
Range: 0 to 5m/s, 0 to 10m/s, 0 to 20m/s, 0 to 30m/s
Accuracy: 0.2% FS
Output: RS485, 4 ~ 20mA
Supply: 24VDC