Re: [foxboro] flow meter

Dirk,

We use flow meters of all kinds.  As echoed by others $-20ma is standard
on all but the cheapest of the lot.  We use Emerson/Rosemount for
magnetic Flow meter (most likely not what you will want to use).  I did
find that when in comes to coriolis type meters Foxboro's offering is
better and less expensive that Emerson's(micro-motion).  Coriolis is the
type of meter we use when measuring non conductive item, or for taking
density readings.

Jeff Miller
Smart Papers LLC
Hamilton, Ohio

-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of Jerry Hidahl
Sent: Friday, January 30, 2009 11:52 AM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] flow meter

Dirk,

Ditto. This seems a peculiar question.

Yes, there are lots of flow meters that operate with a 4-20 mA signal
and
HART protocol on top of that. There's not much point in a flow
transmitter
that doesn't interface with a standard type of signal. Perhaps you're
looking at a turbine or Coriolis type meter. We use a lot of Coriolis
(Micromotion brand) meters, that provide configurable signals, both
frequency and 4-20 mA HART. We control batch and continuous processes
with
them, and we make liberal use of the temperature and density
measurements
that are provided to estimate composition. We're using them in 2 inch
pipe
as well as smaller and larger sizes.

I'm sure your Invensys IPS account manager could offer a full line of
compatible flow transmitters, and the I/O cards to match.

Jerry Hidahl
Process Control Engineer
Port Neches Performance Products
Huntsman Corporation


 

             "Moore, Kenneth,

             Celanese/US"

             <ken.e.moore@cela
To 
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             Sent by:
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                                       Re: [foxboro] flow meter

 

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This seems strange, we have many many flow meters, all the name brands
typically do either 4-20mA, pulse or both (configurable).
I have never encountered a "quality" meter that would not do 4-20mA.

What type of flow meter technology are you looking at?
Magnetic, DP, Vortex, Thermal, etc...


Ken Moore
Celanese


-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of dirk.pauwels@xxxxxxxxxx
Sent: Friday, January 30, 2009 11:04 AM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] flow meter


Hi guys,

Just wondering if any of you are using flowmeters in your piping and
which type you have good experiences with. We're thinking on installing
a Flowmeter in an oil header. We haven't got flowmeters for the moment,
our products usually are not suited for flowmeters. Except for the oil
headers.
We usually work with loadcells but for this project we would need a
flowtransmitter.
Problem seems to be these flowmeters don't transmit 4-20 ma but pulses.
Our DCS can't handle the number of pulses per second, so we'll need a
seperate controller. Are there any flowmeters (2" pipe) that transmit
4-20ma?

Thanks & Rgds

Dirk



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_______________________________________________________________________
This mailing list is neither sponsored nor endorsed by Invensys Process
Systems (formerly The Foxboro Company). Use the info you obtain here at
your own risks. Read http://www.thecassandraproject.org/disclaimer.html
 
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Systems (formerly The Foxboro Company). Use the info you obtain here at
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