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[DPRG] Water pressure sensors recomendations?

Subject: [DPRG] Water pressure sensors recomendations?
From: Stuart Stegall keltor at keltor.org
Date: Mon Apr 9 14:35:25 CDT 2012

On Mon, Apr 9, 2012 at 2:17 PM, -Old Dog- <puppy_dog500 at yahoo.com> wrote:

> Hello All:
> While this isn't about robotics, it does fall under automation and
> sensors.
> I've installed a rain barrel in my back yard, and am trying to devise a
> solid way to measure how much water is in it. I'd like to do so by placing
> a pressure sensor at the barrel's bottom, then calculating depth based on
> pressure. Can anyone recommend a water pressure sensor, that can (1) be
> submerged, (2) run low level DC voltage and (3) provide a reading between
> the ranges of 1 and 1.1 ATM?
> Thanks guys.
> -Martin
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I can't speak to the current state of sensors, but I've done some projects
in the past that involved checking how full containers were.  Generally
pressure was used for large vessels and level sensors were used for smaller
vessels.  Level sensors are like those that your gas tank uses.
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