You could refine your search for 'gage' pressure. For example: https://www.mouser.ca/ProductDetail/Honeywell/TBPLLNN015PGUCV?qs=sGAEpiMZZMvWgbUE6GM3ORZWIiwl0bZWTYn43VfoT8%2FWbX7uba9%252Bdg%3D%3D
Or just go to Mouser and look for this part number. 785-TBPLLNN015PGUCV There are also inexpensive units out there with SPI or I2C instead of analog. > -----Original Message----- > From: gene heskett [mailto:ghesk...@shentel.net] > Sent: May-28-22 8:41 AM > To: Enhanced Machine Controller (EMC) > Subject: [Emc-users] air pressure sensors for up to 10 psi > > Greetings all; > > I'm getting frustrated, but I know it has to be out there, someplace. > I need a differntial air pressure sensor, differential so it references > local barometric as its reference zero, and up to 10 psi, with a 3 wire > analog output. > I've solved the control aspect, but not how to detect a pressure to > accomplish the control. > > automotive EGR types seem seem the most promising as they are affordable > and 2 port gismo's but all I can find just lists the vehicles it fits and > works with, but zero info on how to hook it up and get an analog reading > out of it. "MAP" sensors whose internal reference is a good vacumm can > have their signals clipped and massaged into something usable, but so far > I've bought 4 w/o finding a working one that actually reads the 14.7 psia > of normal air. > > So how are you folks solving that problem? > > Or are you burning up the shop compressor feeding your misters? I can't > see that as being an acceptible solution since none of those have an > intake muffler so you can still hear yourself think. > > What I have cobbled up at the moment is giving me more than enough air to > run a mister, and I can't hear it running over the 2 fans in this 6040 > mill. One in the vfd is really noisy. > > Thank you. > > Cheers, Gene Heskett. > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author, 1940) > If we desire respect for the law, we must first make the law respectable. > - Louis D. Brandeis > > > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
