TABLE 22 Type C Thermocouple ¾ thermoelectric voltage as a function of
temperature (°F); reference junctions at 32 °F
°F 0 1 2 3 4 5 6 7 8 9 10 °F
Thermoelectric Voltage in Millivolts
°F 0 1 2 3 4 5 6 7 8 9 10 °F
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C
°F
1500
14.793
14.803
14.814
14.825
14.835
14.846
14.857
14.867
14.878
14.888
14.899
1500
1510
14.899
14.910
14.920
14.931
14.942
14.952
14.963
14.974
14.984
14.995
15.005
1510
1520
15.005
15.016
15.027
15.037
15.048
15.058
15.069
15.080
15.090
15.101
15.112
1520
1530
15.112
15.122
15.133
15.143
15.154
15.165
15.175
15.186
15.196
15.207
15.218
1530
1540
15.218
15.228
15.239
15.249
15.260
15.271
15.281
15.292
15.302
15.313
15.324
1540
1550
15.324
15.334
15.345
15.355
15.366
15.377
15.387
15.398
15.408
15.419
15.429
1550
1560
15.429
15.440
15.451
15.461
15.472
15.482
15.493
15.503
15.514
15.525
15.535
1560
1570
15.535
15.546
15.556
15.567
15.577
15.588
15.599
15.609
15.620
15.630
15.641
1570
1580
15.641
15.651
15.662
15.672
15.683
15.694
15.704
15.715
15.725
15.736
15.746
1580
1590
15.746
15.757
15.767
15.778
15.788
15.799
15.809
15.820
15.831
15.841
15.852
1590
1600
15.852
15.862
15.873
15.883
15.894
15.904
15.915
15.925
15.936
15.946
15.957
1600
1610
15.957
15.967
15.978
15.988
15.999
16.009
16.020
16.030
16.041
16.051
16.062
1610
1620
16.062
16.072
16.083
16.093
16.104
16.114
16.125
16.135
16.146
16.156
16.167
1620
1630
16.167
16.177
16.188
16.198
16.209
16.219
16.230
16.240
16.251
16.261
16.272
1630
1640
16.272
16.282
16.293
16.303
16.314
16.324
16.335
16.345
16.356
16.366
16.376
1640
1650
16.376
16.387
16.397
16.408
16.418
16.429
16.439
16.450
16.460
16.471
16.481
1650
1660
16.481
16.491
16.502
16.512
16.523
16.533
16.544
16.554
16.565
16.575
16.585
1660
1670
16.585
16.596
16.606
16.617
16.627
16.638
16.648
16.659
16.669
16.679
16.690
1670
1680
16.690
16.700
16.711
16.721
16.731
16.742
16.752
16.763
16.773
16.784
16.794
1680
1690
16.794
16.804
16.815
16.825
16.836
16.846
16.856
16.867
16.877
16.888
16.898
1690
1700
16.898
16.908
16.919
16.929
16.940
16.950
16.960
16.971
16.981
16.991
17.002
1700
1710
17.002
17.012
17.023
17.033
17.043
17.054
17.064
17.074
17.085
17.095
17.106
1710
1720
17.106
17.116
17.126
17.137
17.147
17.157
17.168
17.178
17.188
17.199
17.209
1720
1730
17.209
17.220
17.230
17.240
17.251
17.261
17.271
17.282
17.292
17.302
17.313
1730
1740
17.313
17.323
17.333
17.344
17.354
17.364
17.375
17.385
17.395
17.406
17.416
1740
1750
17.416
17.426
17.437
17.447
17.457
17.468
17.478
17.488
17.499
17.509
17.519
1750
1760
17.519
17.529
17.540
17.550
17.560
17.571
17.581
17.591
17.602
17.612
17.622
1760
1770
17.622
17.632
17.643
17.653
17.663
17.674
17.684
17.694
17.704
17.715
17.725
1770
1780
17.725
17.735
17.746
17.756
17.766
17.776
17.787
17.797
17.807
17.817
17.828
1780
1790
17.828
17.838
17.848
17.858
17.869
17.879
17.889
17.899
17.910
17.920
17.930
1790
1800
17.930
17.940
17.951
17.961
17.971
17.981
17.992
18.002
18.012
18.022
18.033
1800
1810
18.033
18.043
18.053
18.063
18.074
18.084
18.094
18.104
18.114
18.125
18.135
1810
1820
18.135
18.145
18.155
18.166
18.176
18.186
18.196
18.206
18.217
18.227
18.237
1820
1830
18.237
18.247
18.257
18.268
18.278
18.288
18.298
18.308
18.319
18.329
18.339
1830
1840
18.339
18.349
18.359
18.369
18.380
18.390
18.400
18.410
18.420
18.431
18.441
1840
1850
18.441
18.451
18.461
18.471
18.481
18.492
18.502
18.512
18.522
18.532
18.542
1850
1860
18.542
18.552
18.563
18.573
18.583
18.593
18.603
18.613
18.623
18.634
18.644
1860
1870
18.644
18.654
18.664
18.674
18.684
18.694
18.705
18.715
18.725
18.735
18.745
1870
1880
18.745
18.755
18.765
18.775
18.785
18.796
18.806
18.816
18.826
18.836
18.846
1880
1890
18.846
18.856
18.866
18.876
18.887
18.897
18.907
18.917
18.927
18.937
18.947
1890
1900
18.947
18.957
18.967
18.977
18.987
18.998
19.008
19.018
19.028
19.038
19.048
1900
1910
19.048
19.058
19.068
19.078
19.088
19.098
19.108
19.118
19.128
19.138
19.149
1910
1920
19.149
19.159
19.169
19.179
19.189
19.199
19.209
19.219
19.229
19.239
19.249
1920
1930
19.249
19.259
19.269
19.279
19.289
19.299
19.309
19.319
19.329
19.339
19.349
1930
1940
19.349
19.359
19.369
19.379
19.389
19.399
19.409
19.419
19.429
19.439
19.449
1940
1950
19.449
19.459
19.469
19.479
19.489
19.499
19.509
19.519
19.529
19.539
19.549
1950
1960
19.549
19.559
19.569
19.579
19.589
19.599
19.609
19.619
19.629
19.639
19.649
1960
1970
19.649
19.659
19.669
19.679
19.689
19.699
19.709
19.719
19.729
19.739
19.749
1970
1980
19.749
19.759
19.769
19.779
19.789
19.799
19.809
19.818
19.828
19.838
19.848
1980
1990
19.848
19.858
19.868
19.878
19.888
19.898
19.908
19.918
19.928
19.938
19.948
1990