Specifications gas media vertical Venturi tube is based on venturi effect to be developed,it is a kind of Throttling flow sensor.

Boocca BF05 gas media vertical Venturi tube flow sensor Benefits Excellent performance in high viscosity application No moving parts, so maintenance free. Simple constructure long life duration Short straight pipe required Bi-direction measuring.   Features:
accuracy: +/- 0.5%
Media: gas, steam, liquid & oil Wide flow range
Pre-conditions flow
Requires minimal straight pipe
Low head loss
Low maintenance
No recalibration
Long life