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Re: [APD] Milwaukee controller and testing of CO2
If you have good water circulation, it won't matter a whole
lot. Right in front of the outlet where the CO2 enters the
water is probably not the best place.
I suggest you try in a few diff locations and see what
diffs you get -- the diffs will probably be marginal. Do
this with the tank LIghts off and then with them on, which
is a good way to check whether the fluorescent lights and
ballasts are affecting the meter readings. If they are,
rely on measurements made with the lights off.
Good luck, good fun,
--- Adam Aronson <adam at aronson_net> wrote:
> You bring up a point I never considered... What is the
> best placement for
> the probe? Mine is on the opposite side of the tank from
> my reactor.
> > -----Original Message-----
> > From: aquatic-plants-bounces at actwin_com
> > [mailto:aquatic-plants-bounces at actwin_com] On Behalf Of
> > Mariano F. Bonfante
> > Sent: Wednesday, September 28, 2005 12:43 PM
> > To: aquatic-plants at actwin_com
> > Subject: Re: [APD] Milwaukee controller and testing of
> > After 10 years of no CO2 controller life, I finally
> > mine past July.
> > Since then, life's easier. To know what's up with PH
> level I
> > just take a glance to the MS 122 display.
> > I can look for an industrial PH controller with a
> > precision, but I think is a matter of solving a problem
> > the minimum resources.
> > The hysteresis of my system round 0.1. If values are
> > changing more radically there's an other issue, such as
> > much gas getting to tank, without the sufficient time
> > equalize the average value, or the probe is to far from
> > reactor/difusser. This type of controllers (on/off)
> > they hysteresis when the error signal is getting
> earlier to
> > the decision circuit. This is done by slowing down the
> > process or by getting actual values asap.
> > Mariano
> Aquatic-Plants mailing list
> Aquatic-Plants at actwin_com
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