[Gasification] Low Pressure sensors

[Pete & Sheri]

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: gasification-bounces at lists.bioenergylists.org [mailto:gasification-bounces at lists.bioenergylists.org] On Behalf Of sabbadess at aol.com
Sent: Wednesday, April 25, 2012 2:18 PM
To: gasification at lists.bioenergylists.org
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> 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 < <mailto:spaco at baldwin-telecom.net> spaco at baldwin-telecom.net>
To: Gasification < <mailto:Gasification at bioenergylists.org> Gasification at bioenergylists.org>
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

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