RTD or thermocouple?

[Greg Hermann]

At 5:10 PM 10/9/01, Andrew Theurer wrote:
>I'm at the point where I need to get a sensor to measure exhaust gas temps,
>and I am seeking some advice.  I can get a thermocouple, but I am concerned
>that it will not report temps quickly enough.  I have heard that a RTD has
>been used, but I have not found a source for one.  Does anyone know of a
>source where I can get an RTD with a "black box" to output 0-5v based on
>temps?  Or should I just stick with a thermocouple?
>
>Thanks,
>
>Andrew

I'm not aware of an RTD that will stand up to the temperatures involved. A
type K t-couple is the usual thing for the temps involved. the lower the
total mass of the t-couple and its sheath, the more quickly it will
respond.

Greg


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