These are millivolt readings from various Thermocouple Wires


California Fine Wire CompanyHeat Capabilities and millivolt readings of Thermocouple Wires California Fine Wire Company
Temperature °F Type J Type K Type T Type E Type R Type S Type B
-300 -7.5245 -5.284
-250 -6.7135 -4.747
-200 -5.7568 -4.1107
-150 -4.675 -3.38
-100 -3.3887 -2.559
-50 -2.223 -1.654
0 -0.8865 -0.685 -0.6695 -1.025 -0.092 -0.0929 0.006
25 -0.1517
30 -0.0651
50 0.5043 0.3956 0.389 0.055 0.0556 -0.0018
70 1.255
100 1.9412 1.5163 1.517 2.2725 0.2199 0.221 -0.0008
150 3.4104 2.6621 2.7114 4.0394 0.4002 0.4012 0.0091
200 4.909 3.8194 3.9673 5.8736 0.5959 0.5949 0.0276
225 4.909
250 6.417 4.9704 5.2805 7.765 0.8066 0.8005 0.0548
300 7.9431 6.0904 6.6468 9.713 1.0296 1.0166 0.0905
325 6.6459
350 9.4824 7.1984 8.0635 11.7098 1.2614 1.2415 0.1346
400 11.0278 8.3117 9.5252 13.7548 1.5038 1.474 0.1871
420 14.585
450 12.5738 9.4311 11.0303 1.7541 1.7124 0.2479
460 16.255
490 17.525
500 14.1153 10.565 12.575 17.954 2.0122 1.956 0.3169
550 15.651 11.7068 14.1569 20.09 2.2768 2.205 0.394
600 17.1836 12.8566 15.7731 22.254 2.5474 2.4584 0.4792
650 18.7206 14.0153 17.4211 24.4425 2.8232 2.7159 0.5722
700 20.2569 15.1793 19.0995 26.646 3.1033 2.9767 0.6731
750 21.7887 16.3514 20.8055 28.8608 3.3875 3.2404 0.7818
780   30.1949
800 23.3198 17.5262   31.0888 3.6765 3.5064 0.8981
850 24.8531 18.7022   33.322 3.9699 3.7749 1.022
900 26.3952 19.8879   35.569 4.2644 4.0459 1.1533
929 20.5754  
950 27.9517 21.0718   37.815 4.5632 4.3194 1.2921
1000 29.524 22.2552   40.06 4.8682 4.5956 1.4381
1050 31.1151 23.4402   42.31 5.1765 4.8744 1.5913
1100 32.7248 24.6261   44.563 5.4881 5.1559 1.7516
1150 34.355 25.811   46.811 5.8045 5.44 1.9189
1194 26.845  
1200 36.012 26.985   49.041 6.1245 5.7265 2.0932
1230   50.3749
1250 37.7069 28.1547   6.4461 6.0152 2.2742
1260   51.715
1300 39.4324 29.3231   6.7726 6.3065 2.462
1310   53.9401
1330   54.8251
1350 41.187 30.4867   55.7066 7.1025 6.6005 2.6563
1400 42.9605 31.6462   57.9172 7.4361 6.8972 2.8572
1450 32.7961   60.1148 7.7742 7.1964 3.0645
1500 33.935   62.2998 8.1156 7.4983 3.278
1550 35.069   64.471 8.4603 7.8029 3.4975
1600 36.195   66.6262 8.8088 8.1101 3.7229
1650 37.3144   68.7622 9.1605 8.4199 3.9541
1700 38.4257   9.5162 8.7325 4.1812
1710   71.325
1750   39.5263   73.017 9.8738 9.0475 4.4339
1800   40.6192   75.116 10.2373 9.3653 4.6822
1850   41.7038   10.6027 9.3653 4.6822
1900   42.78     10.9732 10.0087 5.195
1950   43.848     11.348 10.3345 5.4591
2000   44.9084     11.7265 10.6623 5.7279
2050   45.9587     12.1054 10.9919 6.0013
2100   46.999     12.4876 11.323 6.2789
2150   48.0288     12.8712 11.6554 6.5604
2200   49.049     13.2549 11.9885 6.8464
2250   50.0561     13.6406 12.3225 7.1375
2300   51.0509     14.0265 12.6568 7.4331
2350   52.0344     14.4125 12.9908 7.733
2400   53.0074     14.7984 13.3246 8.0366
2450   53.9685     15.1838 13.658 8.3437
2500   54.9189     15.5685 13.9911 8.6539
2550         15.9539 14.3237 8.9669
2600         16.3399 14.6559 9.2823
2650         16.7254 14.9876 9.5997
2700         17.1098 15.3187 9.919
2750         17.4931 15.6492 10.2397
2800         17.8752 15.9792 10.5617
2850         18.2555 16.3083 10.8846
2900         18.636 16.6368 11.2082
2950         19.0161 16.9646 11.5323
3000         19.3936 17.2915 11.8565
3050             12.1808
3100             12.5049
3150             12.8285
3200             13.1516
3250             13.4739
3300             13.7954

Notes: 1. Reference junction 32 ºF.

2. Table from the "Manual on the use of thermocouples in temperature measurement" ASTM Publication470.

3. Key values for the generation of thermocouple reference tables (based on second degree Lagrange interpolation).