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Don't know about the 2 HP ports (oh, yeah it's for the paranoids who use 2 gauges or the lunatics who make hose manifolds). But the gauge thing is you have a certain amount of error at the low/high ends of gauges. You calibrate for the middle range, so in theory the wider the spread between low/high the more accurate you can make the gauge over a given range. But of course in practice this is self-defeating because the scale gets reduced proportional to the diameter of the gauge (analog gauge that is). So 4000-5000 is the compromise. Jim ------------------------------------------------------------------- Learn About Trimix at http://www.cisatlantic.com/trimix/ > From: mike ee <tingtong74@ya*.co*> > Date: Tue, 30 May 2000 03:52:18 -0700 (PDT) > To: techdiver@aquanaut.com > Subject: 2 high pressure ports ? > > anyone has any idea why we need 2 pressure ports for > the 1st stage ? i though 1 will do for the pressure > gagues ? > > also why are there 300bar/4000psi and 400bar/5000psi > gagues ? gas law beomes non-liner from somewhere 240 > bar onwards...doesn't make sense to pump tank to any > higher rite ? can we just stick to a 300bar pressure > gague/spg ? > > __________________________________________________ > Do You Yahoo!? > Kick off your party with Yahoo! Invites. > http://invites.yahoo.com/ > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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