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Appendix A
Table 23: Typical Thermocouple Measurement Accuracy of the DT9828 at 23° C ±5° C
Thermocouple
Temperature
–100° C
0° C
100° C
300° C
500° C
700° C
900° C
1100° C
1400° C
a. Conditions for accuracy measurements:
Module has been calibrated and warmed up for 10 minute.s
Module is calibrated at 23° C.
CJC offset is nulled using the CJC calibration process.
The module is operated in a stable environment within the specified limits.
Inclusive of CJC error and input offset, gain, linearity, and long-term stability errors.
Exclusive of thermocouple errors.
Exclusive of noise.
Specifications are valid for 1 year from calibration.
Table 24: Maximum Thermocouple Measurement Accuracy of the DT9828 at 0° C to 50° C
Thermocouple
Temperature
–100° C
0° C
100° C
300° C
500° C
700° C
900° C
1100° C
1400° C
a. Conditions for accuracy measurements:
Module has been calibrated and warmed up for 10 minutes.
Module is calibrated at 23° C.
CJC offset is nulled using the CJC calibration process
96
J
K
±0.06° C
±0.08° C
±0.08° C
±0.05° C
±0.08° C
±0.10° C
±0.10° C
±0.10° C
±0.09° C
±0.13° C
±0.18° C
±0.14° C
±0.19° C
±0.20° C
–
±0.24° C
±0.24° C
–
±0.25° C
±0.34° C
–
±0.33° C
±0.38° C
–
–
–
–
J
K
±0.19° C
±0.23° C
±0.24° C
±0.19° C
±0.24° C
±0.26° C
±0.26° C
±0.27° C
±0.26° C
±0.34° C
±0.41° C
±0.34° C
±0.45° C
±0.48° C
–
±0.53° C
±0.57° C
–
±0.60° C
±0.74° C
–
±0.75° C
±0.86° C
–
–
–
–
Thermocouple Type
T
E
S
±0.05° C
–
±0.06° C
±0.58° C
±0.08° C
±0.43° C
±0.12° C
±0.38° C
±0.17° C
±0.40° C
±0.23° C
±0.43° C
±0.29° C
±0.46° C
–
±0.48° C
–
±0.54° C
Thermocouple Type
T
E
S
±0.16° C
–
±0.19° C
±1.34° C
±0.23° C
±1.00° C
±0.30° C
±0.89° C
±0.40° C
±0.92° C
±0.52° C
±0.98° C
±0.64° C
±1.03° C
–
±1.08° C
–
±1.21° C
a
R
B
–
–
±0.60° C
–
±0.42° C
–
±0.36° C
±0.99° C
±0.37° C
±0.65° C
±0.40° C
±0.52° C
±0.42° C
±0.47° C
±0.44° C
±0.45° C
±0.50° C
±0.46° C
a
R
B
–
–
±1.39° C
–
±0.99° C
–
±0.85° C
±2.28° C
±0.86° C
±1.48° C
±0.91° C
±1.19° C
±0.95° C
±1.08° C
±0.99° C
±1.03° C
±1.11° C
±1.04° C
N
±0.13° C
±0.13° C
±0.12° C
±0.16° C
±0.20° C
±0.25° C
±0.30° C
±0.36° C
–
N
±0.34° C
±0.33° C
±0.33° C
±0.39° C
±0.47° C
±0.57° C
±0.67° C
±0.80° C
–
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