Exhaust gas temp measurement

[A. Bosch]

Can someone please explain how the thermocouple to measure exhaust 
gas temp is placed. I guess you want the sensor in the exhaust gas as 
close as possible to to the exhaust port; so I have this concept in 
my head of drilling a hole in the header close to the exhaust port 
and inserting the thermocouple. But how do you insulate it against 
the metal of the header? If you don't, isn't there going to be a 
problem? 

Thanks,
Andrew


Dr A. N. Bosch
UCT/MRC Research Unit for Exercise Science and Sports Medicine
Boundary Road
Newlands

Phone:-27-21-650 4578
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