Thermocouple Inhomogeneity - Need to calibrate a roll of 50m thermocouple type K

neoth

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#1
hi all,

recently i need to calibrate a roll of 50m thermocouple type K. so i cut the front and the back and send for calibration.

so if i want to find the inhomogeneity of the thermocouple, is it correct for me to take the front reading - back reading?

for eg.

when i calibrate at 200°C, the front reading is 199.5°C and the back reading is 199.2°C.

so inhomogeneity = 199.5-199.2=0.3

is this method correct?

regards
 
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