Article View: comp.sys.ibm.pc.misc
Article #6499Re: Peltier effect device
From: oscar Valdes
Date: Sat, 29 Dec 1990 17:33
Date: Sat, 29 Dec 1990 17:33
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1498 bytes
In article <18522@shlump.nac.dec.com> pierson@ggone.enet.dec.com (Dave Pierson) writes: > There are always two junctions. One may be the juction of the > TC leads with the measuring instrument terminals. TC rigs always > measure the difference between the two junction temperatures. To get > (attempted graphics, Cu/Con couple...) > _______Cu_____________o_(Cu)____>Amp hi > / | > /measuring junction |<-Ref temp > \ | > \______Con_____________o__(Cu)___>Amp Lo > ^-the "other" junction > In other words, what you are saying is that if there is no measuring instrument there is no voltage generated due to the dissimilarity of the two metals. I wonder how the metals "know" there is a measuring instrument present. ****************************************************************************** Sooner or later reality bites you in the ass ******************************************************************************
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!bgsuvax!valdes From: valdes@bgsuvax.UUCP (oscar Valdes) Newsgroups: comp.sys.ibm.pc.misc Subject: Re: Peltier effect device Keywords: Thermocouples Message-ID: <6793@bgsuvax.UUCP> Date: 29 Dec 90 17:33:29 GMT References: <18522@shlump.nac.dec.com> Reply-To: valdes@bgsuvax.UUCP (oscar Valdes) Organization: MD & MF International Lines: 33