HI Guys, Dwyer does have "sensors" as well as switches.
http://www.dwyer-inst.com/Product/Pressure/DifferentialPressure/Transmitters/Series616-616C/Ordering 616-4 or 616-20b will do your request. Greg On Wed, Apr 25, 2012 at 7:30 PM, Pete & Sheri <[email protected]>wrote: > Hello Stephen.**** > > ** ** > > The link you supplied to Dwyer was for a Switch, not a sensor. I didn’t > make myself clear.**** > > I am looking for a sensor in the range of minus 20 inches WC to plus 20 > inches WC that will give me an electrical output in proportion to the > pressure being sensed, so I can graph the quantity and use its magnitude to > control the system.**** > > ** ** > > Sorry for my poor quality communication,**** > > Pete Stanaitis**** > > ---------------**** > > ** ** > > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of * > [email protected] > *Sent:* Wednesday, April 25, 2012 2:18 PM > *To:* [email protected] > *Subject:* Re: [Gasification] Process controllers for gasifier/engine > control and datalogging, Are there any Arduino users out there?**** > > ** ** > > Pete,**** > > **** > > Try this:**** > > **** > > > http://www.sustainablesupply.com/Dwyer-Instruments-ADPS-06-2-N-Pressure-Switch-Dif-p/w228350.htm?gclid=COu_36jb0K8CFcfb4AodKQxUHA&CAWELAID=1307461896&cagpspn=pla > **** > > **** > > At least it will give you a digital threshold. I have had good luck with > Dwyer stuff.**** > > **** > > Stephen Abbadessa**** > > -----Original Message----- > From: Pete & Sheri <[email protected]> > To: Gasification <[email protected]> > Sent: Wed, Apr 25, 2012 2:46 pm > Subject: [Gasification] Process controllers for gasifier/engine control > and datalogging, Are there any Arduino users out there?**** > > I have been interested in Jim Mason (and company)’s approach to process > control and datalogging using an Arduino based microcontroller since he > first announced its existence. I have done a little googling about Arduino > in general, and now I am sorta fascinated with it. I already have a fair > amount of electronic hobby stuff around here, so I bought an Arduino > ATMega2560 last week ($60) and am starting to get familiar with it.**** > > The reason for this post:**** > > Is anyone else out there using the Arduino as a process controller?**** > > And, has anyone found inexpensive low pressure sensors? I can’t seem to > find any in the +/- 20 inches WC range that are cheaper than about $40 in a > 1 to 3 quantity.**** > > **** > > If you don’t know what I am talking about, go to:**** > > **** > > *http://wiki.gekgasifier.com/w/page/6123727/Gasifier-Control-Unit*<http://wiki.gekgasifier.com/w/page/6123727/Gasifier-Control-Unit> > **** > > (If I was a little farther along, I’d just buy one)**** > > **** > > and then go to:**** > > **** > > *http://www.arduino.cc/* <http://www.arduino.cc/>**** > > **** > > A whole ‘nother world!!!**** > > **** > > Pete Stanaitis**** > > ---------------- **** > > _______________________________________________**** > > Gasification mailing list**** > > ** ** > > to Send a Message to the list, use the email address**** > > *[email protected]* <[email protected]>**** > > ** ** > > to UNSUBSCRIBE or Change your List Settings use the web page**** > > *http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org* > > <http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org>**** > > ** ** > > for more Gasifiers, News and Information see our web site:**** > > *http://gasifiers.bioenergylists.org/* > <http://gasifiers.bioenergylists.org/>**** > > > _______________________________________________ > Gasification mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > > http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org > > for more Gasifiers, News and Information see our web site: > http://gasifiers.bioenergylists.org/ > >
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