Table 5.

Uncertainty budgets for the calibration stage.

Uncertainty Source	Type	5 °C [°C]	25 °C [°C]	45 °C [°C]
Reference thermometer calibration	B	1 × 10−3	2 × 10−3	5 × 10−3
Self-heating of thermistor	B	7.3 × 10−8	2.9 × 10−8	1.2 × 10−8
Calibration model interpolation error a	A	8 × 10−3	8 × 10−3	8 × 10−3
Continuous temperature sweep error	A	2.3 × 10−3	2.3 × 10−3	2.3 × 10−3
Measurement noise of reference thermometer	A	7.3 × 10−4	7.9 × 10−4	8.1 × 10−4
ADC count measurement	A,B	8 × 10−3	8 × 10−3	8 × 10−3
Total combined standard uncertainty		1.2 × 10−2	1.2 × 10−2	1.3 × 10−2

^a See e_std in Table 8.