Resolution.

[Darryn Watson]

>There are plenty of instrument grade pressure transducers available,
>Ashcroft, for one, with 0.25% full scale accuracy and better repeatability
>than that,  All you gotta do is know which counter to ask for them at, and
>be prepared to pay for them. Your choice of 0-5V, 0-10V, or 4-20 ma output
>signal. 4-20 ma is most popular signal output for industrial
>instrumentation because of wiring open/short failures being so easily
>detected with it.
Also because its not affected  the length of the wiring between sensor
and whatever its hooked into, no volt drop to worry about

Darryn