The accu flow meter of apex company uses two-dimensional three hole pitot tube, which can accurately detect the velocity of irregular airflow in flue.
The flow velocity of the tube can be detected by the two-dimensional tube
All the sensors on the pitot are accurate and stable.
Easy to calibrate, similar to S Pitot tube.
Portable data acquisition instrument can calculate, store and display the test data.
The length of pitot tube can be extended