So I just read all 20 pages.......... Googled up some 50+ pages as well and am just about done with liquid flow meters.
I vote for an AFM that has temp compensation and a wideband sensor. Get the outputs from that to spit out a number and be happy. Ie Gallons/hour, might cost around $300-400 in the end, but at least it'll be accurate and less fuss.
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