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
2500
24.683
24.692
24.701
24.710
24.719
24.728
24.737
24.746
24.755
24.764
24.773
2500
2510
24.773
24.782
24.791
24.800
24.809
24.818
24.827
24.836
24.845
24.854
24.863
2510
2520
24.863
24.871
24.880
24.889
24.898
24.907
24.916
24.925
24.934
24.943
24.952
2520
2530
24.952
24.961
24.970
24.979
24.988
24.997
25.006
25.015
25.024
25.033
25.042
2530
2540
25.042
25.051
25.059
25.068
25.077
25.086
25.095
25.104
25.113
25.122
25.131
2540
2550
25.131
25.140
25.149
25.158
25.166
25.175
25.184
25.193
25.202
25.211
25.220
2550
2560
25.220
25.229
25.238
25.247
25.255
25.264
25.273
25.282
25.291
25.300
25.309
2560
2570
25.309
25.318
25.327
25.335
25.344
25.353
25.362
25.371
25.380
25.389
25.397
2570
2580
25.397
25.406
25.415
25.424
25.433
25.442
25.451
25.459
25.468
25.477
25.486
2580
2590
25.486
25.495
25.504
25.512
25.521
25.530
25.539
25.548
25.557
25.565
25.574
2590
2600
25.574
25.583
25.592
25.601
25.610
25.618
25.627
25.636
25.645
25.654
25.662
2600
2610
25.662
25.671
25.680
25.689
25.698
25.706
25.715
25.724
25.733
25.742
25.750
2610
2620
25.750
25.759
25.768
25.777
25.785
25.794
25.803
25.812
25.821
25.829
25.838
2620
2630
25.838
25.847
25.856
25.864
25.873
25.882
25.891
25.899
25.908
25.917
25.926
2630
2640
25.926
25.934
25.943
25.952
25.961
25.969
25.978
25.987
25.996
26.004
26.013
2640
2650
26.013
26.022
26.031
26.039
26.048
26.057
26.065
26.074
26.083
26.092
26.100
2650
2660
26.100
26.109
26.118
26.126
26.135
26.144
26.153
26.161
26.170
26.179
26.187
2660
2670
26.187
26.196
26.205
26.213
26.222
26.231
26.239
26.248
26.257
26.265
26.274
2670
2680
26.274
26.283
26.291
26.300
26.309
26.317
26.326
26.335
26.343
26.352
26.361
2680
2690
26.361
26.369
26.378
26.387
26.395
26.404
26.413
26.421
26.430
26.439
26.447
2690
2700
26.447
26.456
26.464
26.473
26.482
26.490
26.499
26.508
26.516
26.525
26.533
2700
2710
26.533
26.542
26.551
26.559
26.568
26.577
26.585
26.594
26.602
26.611
26.620
2710
2720
26.620
26.628
26.637
26.645
26.654
26.663
26.671
26.680
26.688
26.697
26.705
2720
2730
26.705
26.714
26.723
26.731
26.740
26.748
26.757
26.765
26.774
26.783
26.791
2730
2740
26.791
26.800
26.808
26.817
26.825
26.834
26.842
26.851
26.860
26.868
26.877
2740
2750
26.877
26.885
26.894
26.902
26.911
26.919
26.928
26.936
26.945
26.953
26.962
2750
2760
26.962
26.971
26.979
26.988
26.996
27.005
27.013
27.022
27.030
27.039
27.047
2760
2770
27.047
27.056
27.064
27.073
27.081
27.090
27.098
27.107
27.115
27.124
27.132
2770
2780
27.132
27.141
27.149
27.158
27.166
27.174
27.183
27.191
27.200
27.208
27.217
2780
2790
27.217
27.225
27.234
27.242
27.251
27.259
27.268
27.276
27.285
27.293
27.301
2790
2800
27.301
27.310
27.318
27.327
27.335
27.344
27.352
27.361
27.369
27.377
27.386
2800
2810
27.386
27.394
27.403
27.411
27.420
27.428
27.436
27.445
27.453
27.462
27.470
2810
2820
27.470
27.478
27.487
27.495
27.504
27.512
27.520
27.529
27.537
27.546
27.554
2820
2830
27.554
27.562
27.571
27.579
27.588
27.596
27.604
27.613
27.621
27.630
27.638
2830
2840
27.638
27.646
27.655
27.663
27.671
27.680
27.688
27.696
27.705
27.713
27.722
2840
2850
27.722
27.730
27.738
27.747
27.755
27.763
27.772
27.780
27.788
27.797
27.805
2850
2860
27.805
27.813
27.822
27.830
27.838
27.847
27.855
27.863
27.872
27.880
27.888
2860
2870
27.888
27.897
27.905
27.913
27.922
27.930
27.938
27.946
27.955
27.963
27.971
2870
2880
27.971
27.980
27.988
27.996
28.005
28.013
28.021
28.029
28.038
28.046
28.054
2880
2890
28.054
28.063
28.071
28.079
28.087
28.096
28.104
28.112
28.120
28.129
28.137
2890
2900
28.137
28.145
28.153
28.162
28.170
28.178
28.186
28.195
28.203
28.211
28.219
2900
2910
28.219
28.228
28.236
28.244
28.252
28.261
28.269
28.277
28.285
28.294
28.302
2910
2920
28.302
28.310
28.318
28.326
28.335
28.343
28.351
28.359
28.368
28.376
28.384
2920
2930
28.384
28.392
28.400
28.409
28.417
28.425
28.433
28.441
28.450
28.458
28.466
2930
2940
28.466
28.474
28.482
28.490
28.499
28.507
28.515
28.523
28.531
28.540
28.548
2940
2950
28.548
28.556
28.564
28.572
28.580
28.588
28.597
28.605
28.613
28.621
28.629
2950
2960
28.629
28.637
28.646
28.654
28.662
28.670
28.678
28.686
28.694
28.703
28.711
2960
2970
28.711
28.719
28.727
28.735
28.743
28.751
28.759
28.768
28.776
28.784
28.792
2970
2980
28.792
28.800
28.808
28.816
28.824
28.832
28.840
28.849
28.857
28.865
28.873
2980
2990
28.873
28.881
28.889
28.897
28.905
28.913
28.921
28.929
28.938
28.946
28.954
2990