National Instruments SCC-TC Series Thermocouple Input Modules User Manual download pdf (Page 11)

Measurement Accuracy

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

0.31

0.13

E –200 to –100

–100 to 600

600 to 1,000

1.5

1.76

0.6

J –200 to –100

–100 to 500

500 to 1,100

1.5

1.6

0.9

0.72

K –200 to –100

–100 to 600

600 to 1,200

2.5

1.25

0.67

0.45

N –200 to –100

–100 to 1,300

2.5

0.7

R –50 to 0

0 to 100

100 to1,600

1.75

1.24

0.82

0.4

S –50 to 0

0 to 1,400

1,400 to 1,600

2.5

1.3

T –200 to –100

–100 to 400

2.5

0.9

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National Instruments SCC-TC Series Thermocouple Input Modules User Manual Page 11

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