REFLECTOR: Engine Trermocouples, Was "It's been really quiet this week" which has nothing to do with anything

[Brian Michalk]

No, they are both the same type, which is related to the alloy of the 
wire used in the thermocouple.  I will be checking with an NIST 
certified reference to see who, if anyone is lying to me.  The panel 
mounted gauge is old school, so the gasket gauge temperature (cold 
junction) does have an effect on the reading.  The bayonets are using 
zero reference thermocouple amplifiers on a circuit board that I built.

On 2/18/2014 11:10 AM, sbjknox at earthlink.net wrote:
> ----- Original Message ----- From: "Brian Michalk" <michalk at awpi.com>
>> I am seeing conflicting data.  My gasket thermocouples are reading 
>> redline temps on takeoff, but the bayonet thermocouples are reading 
>> cool.  Do you know what could be causing this?
>
> Brian, perhaps one set is type "J" and the other is type "K" ?
> Just a thought.  Also, I remember some years ago there was a discussion
> and explanation of why the two methods might yield different values.
> Maybe search old posts...
> Regards,
> Sid
>
>
>
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