On 4/6/2011 6:25 PM, M.L. wrote: > Hello all, > I'm looking for insight on measuring water flow rate inexpensively. I > know about various methods, but one-off solutions are fine for what > I'm trying to accomplish. > I was thinking measuring differential pressure drop would be the > easiest way, but differential pressure sensors are quite expensive. > Any ideas? > To choose an appropriate method, fill in the blanks: a) max/min flow rates? b) required accuracy? c) low cost means max price < ? d) fresh water, salt water, waste water? e) any harmful chemicals present? f) temperature range of flow? g) ease of installation/replacement? h) reliability? (just curious about the flow or do your fish die if it's=20 wrong? i) ??? --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .