methods to calibrate a temperature sensor

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SwordFish

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How can I calibrate a temperature sensor ?
It's a tool for sensor calibration?
The calibration can be done using a oil bath ?
The calibration can be made only by comparing the results with a "ideal" sensor ?
How is that sensor calibrated ?

Maybe you have some links, tutorials, manufacturiers...
Any informations/comments are welcomed.

Regards,
SwordFish
 

Resistive sensor

If the sensor is resistor you can express its resistance as follows:

R=Rnom*(1+Kt_1*(T-Tnom)+Kt_2*(T-Tnom)^2)

I have attached a excel file for calculation of the coefficient Rnom, Kt_1, Kt_2.

Youi just have to measure the resistance of the sensor at three temperatures and to enter the dat in the fil.
 

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