Check out Freescale's and Honeywell's differential pressure sensors, which are 
relatively low cost.  One example is the MPX4250DP, which may be a good fit 
for your app.

Cheers,
-Neil.



On Friday 01 December 2006 04:35, Victor Fraenckel wrote:
> I would like to continuously monitor the differential pressure between
> the interior and exterior of a balloon. I expect the pressure to run
> between 0 and 10 inches of water. I will be using a micro controller to
> drive the application.
>
> What sensor would be optimum for this?
>
> Any enlightenment will be appreciated.
>
> Vic
> --
>
> *__________________________________________________________________________
>__________________*
>
> *Victor Fraenckel
> KC2GUI
> victorf ATSIGN windreader DOT com**
> *
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