Determination of Stack Gas Velocity and Volumetric Flow Rate (Type S Pitot Tube)
The average gas velocity in a stack is determined from the gas density and from
measurement of the average velocity head with a Type S (Stausscheibe or reverse type) pitot
tube.
For more information and documents about Method 2, please consult the EPA's Method 2 webpage.
Apex Instruments offers a Method 2 Pre-Test Survey Kit. If interested in Method 2 sampling, we work with our customers to make sure we are providing the correct products for your project and will provide you with a price quote. For any questions about our survey kit, please contact sales@apexinst.com.