Appendices
Specifications
A
A-5
Temperature Measurements (Thermocouples)Accuracy
See Table A-5.
Table A-5. Temperature Measurements - Accuracy (Thermocouples) (IPTS-68)
Thermocouple Accuracy (±°C)*
18°C to 28°C 0°C TO 60°C
Type Temperature
(C°) 90 Days
Slow 1 Year
Slow 1 Year
Fast 1 Year
Slow 1 Year
Fast
-100 to -30 0.42 0.43 0.90 0.54 1.08
J -30 to 150 0.37 0.38 0.80 0.57 1.01
150 to 760 0.44 0.48 0.93 0.88 1.37
-100 to -25 0.51 0.52 1.12 0.64 1.30
K -25 to 120 0.43 0.44 0.94 0.62 1.15
120 to 1000 0.81 0.87 1.57 1.47 2.22
1000 to 1372 1.05 1.15 2.03 2.01 2.95
-100 to -25 0.61 0.62 1.42 0.73 1.60
N -25 to 120 0.53 0.54 1.21 0.68 1.39
120 to 410 0.50 0.52 1.11 0.74 1.31
410 to 1300 1.00 1.08 1.82 1.75 2.53
-100 to -25 0.43 0.44 0.89 0.56 1.08
E -25 to 350 0.38 0.41 0.77 0.64 1.02
350 to 650 0.41 0.45 0.84 0.82 1.24
650 to 1000 0.67 0.73 1.22 1.28 1.81
-150 to 0 0.69 0.71 1.51 0.83 1.72
T 0 to 120 0.45 0.46 0.95 0.59 1.13
120 to 400 0.41 0.43 0.82 0.66 1.06
250 to 400 0.89 0.91 2.53 1.07 2.71
R 400 to 1000 0.93 0.98 2.35 1.37 2.67
1000 to 1767 1.39 1.48 2.98 2.26 3.78
250 to 1000 1.02 1.07 2.69 1.49 2.96
S 1000 to 1400 1.23 1.29 2.75 1.87 3.34
1400 to 1767 1.56 1.65 3.38 2.48 4.24
600 to 1200 1.22 1.23 3.64 1.38 3.81
B 1200 to 1550 1.18 1.23 2.61 1.64 3.03
1550 to 1820 1.42 1.48 2.95 2.02 3.49
0 to 150 0.73 0.75 1.92 0.87 2.10
150 to 650 0.70 0.74 1.66 1.09 2.04
C 650 to 1000 0.90 0.96 2.01 1.49 2.58
1000 to 1800 1.74 1.86 3.48 3.00 4.66
1800 to 2316 2.81 3.03 5.56 5.00 7.60
*Sensor inaccuracies are not included