John is looking to resolve pressure changes on the order of  0.25%
Will hysteresis (sp??) be a problem?
Jim

Alice Campbell wrote:

> Date sent:              Fri, 11 Feb 2000 08:51:40 -0800
> use a 15 psin temperature-compensated absolute pressure sensor
> and a 24-bit adc such as ltc2400 and throw away the 3 bytes you
> dont need.  1 measurement per second max with this adc.  This is
> for earth-- different psi for mars etc.
> alice
>
> > Looking for ways to measure small changes in air pessure, in the range of
> > 0" to 1" of water I guess. I don't know a lot about the different ways to
> > measure air pressure.