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Date:         Thu, 25 Feb 2010 20:01:35 -0600
Reply-To:     Larry Alofs <lalofs@GMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Larry Alofs <lalofs@GMAIL.COM>
Subject:      Re: external temperature guage
Comments: To: Loren Busch <starwagen@gmail.com>
In-Reply-To:  <86476e251002251745m4f712467mcbf61b8d8958345a@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1


I believe that this is a concern with instruments using a thermocouple.
  Not so much with a thermistor.


Larry A.






On Thu, Feb 25, 2010 at 7:45 PM, Loren Busch <starwagen@gmail.com> wrote:
>  RE: Remote Thermometers
> One thing to keep in mind with such thermometers with external probes.  You
> can't shorten the length of the probe wire without throwing the thing out of
> calibration.  The probe is a thermistor and the reading depends on the
> resistance in the whole probe circuit including the wire in the lead to the
> probe.  How much effect changing the length of the wire would have I don't
> know but I do know that the wire is part of the circuit.
>
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