[Greenbuilding] Recording water flow rates

[Sacie Lambertson]

---------- Forwarded message ----------
From: "Nick Pyner" <npyner at tig.com.au>
To: <greenbuilding-bounces at lists.bioenergylists.org>
Date: Mon, 4 Jul 2011 10:46:49 +1000
Subject: Water Flow Rates
I'm interested in recording water flow rates. I realize there are meters for
this but, instead of paying $500 for one, I reckon a $5 hall effect device
attached to an ordinary magnetic disk water meter should do the trick.

Does anybody know anything about this?


Nick Pyner

Dee Why   NSW
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