> This may do the job for you US$10.90.
> http://futurlec.com/Flow_Sensor.shtml

Just looked at the data sheet for the biggest one - looks pretty
nonlinear especially at low flow rates and is very dependent on mounting
position.

And accuracy only +- 10 percent at mid to high flow rates.

But the price is right.

Bob


--=20
http://www.fastmail.fm - Or how I learned to stop worrying and
                          love email again

--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.