RTD or thermocouple?

[Jason Wade]

----- Original Message -----
From: "Mark Agnello" <m_agnello at yahoo.com>
To: <diy_efi at diy-efi.org>
Sent: Wednesday, October 10, 2001 6:42 PM
Subject: Re: RTD or thermocouple?


> >   Another factor to consider is that
> around 1000 deg C, radiation heating of the sensor
> from the walls of the manifold is significant.  This
> decreases the accuracy of the gas flow temperature
> measurement.  You probably can't measure EGT to better
> than +/- 50 deg C under these conditions.

True in cast iron manifold before the turbo...speaking from expierence
here....
 The
> important thing is to understand the significance of
> relative temperature changes.  In other words, note
> normal temperature trends in your engine, so you can
> recognize bad things happening.  Better yet, try to
> combine EGT with O2 measurements for a better
> understanding.  That is what I am doing with my
> current project.  (1988 Turbo Celica AWD)
>
> Mark Agnello
>
>
>
> __________________________________________________
> Do You Yahoo!?
> Make a great connection at Yahoo! Personals.
> http://personals.yahoo.com
> --------------------------------------------------------------------------
--
> To unsubscribe from diy_efi, send "unsubscribe diy_efi" (without the
quotes)
> in the body of a message (not the subject) to majordomo at lists.diy-efi.org
>
>
----------------------------------------------------------------------------
To unsubscribe from diy_efi, send "unsubscribe diy_efi" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org