8ob
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- Nescient in the vale
If you want to measure flow the guaranteed way to do it is an orifice plate and inclined manometer, it's self adjusting for pressure, and once you have callibrated your orifice, bang on accurate. You can buy a dp transducer, connect a simple amplifier to it, an a to d converter, to a pc if you want.
I used to belong to an Umerican website, you could borrow a callibrated orifice, get plans etc. Job for when I retire...
You are going to regret this
Bob