What Is Accuracy of Temperature Sensors?

Accuracy of temperature sensors is how close the sensor output is to the physical temperature being measured. There are international tolerance standards such as IEC 60584-1:2013 and IEC 60751:2008 which define the tolerance bands of temperature sensors. Often small inaccuracies are tolerable but temperature sensor calibration can be conducted to further prove the accuracy of a sensor, or batch of sensors.

Read more about temperature sensor accuracy in our temperature sensor design guide.

What Is IEC 60584-1:2013 Standard?

IEC 60584-1:2013 specifies reference functions and tolerances for thermocouples (Types R, S, B, J, T, E, K, N, C and A). Temperatures are expressed in degrees Celsius based on the International Temperature Scale of 1990, ITS-90 (symbol t90), and the EMF (symbol E) is in microvolts.

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