National Instruments SCC-TC02 用户手册
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11
SCC-TC Series Thermocouple Input Modules User Guide
Measurement Accuracy
1
1
Total system measurement error for operating temperature within
±5 °C of calibration temperature. Includes
PCI/AT-MIO-16XE-50 one-year accuracy specification of 0.01%
±412 μV. SCC-TC01/02 accuracy specification of
0.08%
±5 μV, and reference junction measurement accuracy of 0.5 °C. Assumes averaging. Non-averaged, single-point
reading has an additional uncertainty (up to
±0.1 °C for J-type thermocouple).
Thermocouple
Type
Temperature
Range (
°C)
Maximum
Inaccuracy (
±°C)
Typical
Inaccuracy (
±°C)
B
400 to 600
600 to 1,800
2.5
2
0.31
0.13
0.13
E
–200 to –100
–100 to 600
600 to 1,000
2
1
1
1.5
1.76
1
0.6
J
–200 to –100
–100 to 500
500 to 1,100
2
1
1
1.5
1.6
0.9
0.9
0.72
K
–200 to –100
–100 to 600
600 to 1,200
2.5
1.25
2
1.25
0.67
0.45
0.67
0.45
N
–200 to –100
–100 to 1,300
2.5
2
2
0.7
R
–50 to 0
0 to 100
0 to 100
100 to1,600
3
2
2
1.75
1.24
0.82
0.82
0.4
S
–50 to 0
0 to 1,400
1,400 to 1,600
3
2
2
2.5
1.3
1
1
1
T
–200 to –100
–100 to 400
2.5
1
2
0.9