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National Instruments Corp.
19
NI 9213E Operating Instructions and Specifications
MTBF ............................................... 852,407 hours at 25 °C;
Bellcore Issue 2, Method 1,
Case 3, Limited Part Stress
Method
Note
Contact NI for Bellcore MTBF specifications
at other temperatures or for MIL-HDBK-217F
specifications.
Temperature Measurement Accuracy
Measurement sensitivity
1
High-resolution mode
Types J, K, T, E, N ............... <0.02 °C
Types B, R, S ....................... <0.15 °C
High-speed mode
Types J, K, T, E .................... <0.25 °C
Type N.................................. <0.35 °C
Type B .................................. <1.2 °C
Types R, S ............................ <2.8 °C
1
Measurement sensitivity represents the smallest change in temperature that a sensor
can detect. It is a function of noise. The values assume the full measurement range
of the standard thermocouple sensor according to ASTM E230-87.