Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

Stefan,
This chap just used a Glass NTC thermistor!
http://www.ustr.net/smt/oven.htm
HTH
Regards
John C

> -----Original Message-----
> From: Stefan Trethan [mailto:stefan_trethan@...]
> Sent: 22 August 2006 10:15
> To: Homebrew_PCBs@yahoogroups.com
> Subject: Re: [Homebrew_PCBs] How not to control ovens - was - The list
> is huge! Really huge!
>
>
> On Tue, 22 Aug 2006 01:53:27 +0200, Andrew
> <andrewm1973@...> wrote:
>
> >
> > However - Unless its some magic type of LM335
> > (or LMx35 variant) then it is not going to like
> > the 200+ degrees inside an oven. I think the
> > normal LM-whatever tematrature sensors top out
> > at 125 degrees.
>
>
> Yes, yes, of course thermocouple inside the oven.
> But the LMxxx would be needed as a cold junction
> compensation, ad595 too
> hard to get.
>
> ST
>
>
> Be sure to visit the group home and check for new Links,
> Files, and Photos:
> http://groups.yahoo.com/group/Homebrew_PCBs
>
> If Files or Photos are running short of space, post them here:
> http://groups.yahoo.com/group/Homebrew_PCBs_Archives/
> Yahoo! Groups Links
>
>
>
>
>
>
>
>