How do I correct my variable area flow meter for a gas with a different operating density?
Problem:
You want to get a quick flow check on a different gas because the process gas is changing or you might be experimenting with the process, but you don't have a VA (variable area) flow meter that is calibrated for the different gas.
Solution:
Enter the necessary information into the equation below and you'll get the flow rate for the different gas.
Things to Keep in Mind:
You want to get a quick flow check on a different gas because the process gas is changing or you might be experimenting with the process, but you don't have a VA (variable area) flow meter that is calibrated for the different gas.
Solution:
Enter the necessary information into the equation below and you'll get the flow rate for the different gas.
Things to Keep in Mind:
- The meter has to be a size 8 (1/2" nominal size) or larger and of course the flow meter has to be capable of measuring the flow of the different gas.
- Absolute Scale Unit Conversions:
- psia = psia + 14.7
- °R = °F + 460
- If your experiment is successful, I recommend you get a flow meter so you don't have to calculate the flow rate every time you use the different gas.
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