TABLE 10 Type K 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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K
°F
550
11.703
11.726
11.749
11.772
11.795
11.818
11.841
11.864
11.887
11.910
11.933
550
560
11.933
11.956
11.978
12.001
12.024
12.047
12.070
12.093
12.116
12.140
12.163
560
570
12.163
12.186
12.209
12.232
12.255
12.278
12.301
12.324
12.347
12.370
12.393
570
580
12.393
12.416
12.439
12.462
12.485
12.508
12.531
12.554
12.577
12.600
12.624
580
590
12.624
12.647
12.670
12.693
12.716
12.739
12.762
12.785
12.808
12.831
12.855
590
600
12.855
12.878
12.901
12.924
12.947
12.970
12.993
13.016
13.040
13.063
13.086
600
610
13.086
13.109
13.132
13.155
13.179
13.202
13.225
13.248
13.271
13.294
13.318
610
620
13.318
13.341
13.364
13.387
13.410
13.433
13.457
13.480
13.503
13.526
13.549
620
630
13.549
13.573
13.596
13.619
13.642
13.665
13.689
13.712
13.735
13.758
13.782
630
640
13.782
13.805
13.828
13.851
13.874
13.898
13.921
13.944
13.967
13.991
14.014
640
650
14.014
14.037
14.060
14.084
14.107
14.130
14.154
14.177
14.200
14.223
14.247
650
660
14.247
14.270
14.293
14.316
14.340
14.363
14.386
14.410
14.433
14.456
14.479
660
670
14.479
14.503
14.526
14.549
14.573
14.596
14.619
14.643
14.666
14.689
14.713
670
680
14.713
14.736
14.759
14.783
14.806
14.829
14.853
14.876
14.899
14.923
14.946
680
690
14.946
14.969
14.993
15.016
15.039
15.063
15.086
15.109
15.133
15.156
15.179
690
700
15.179
15.203
15.226
15.250
15.273
15.296
15.320
15.343
15.366
15.390
15.413
700
710
15.413
15.437
15.460
15.483
15.507
15.530
15.554
15.577
15.600
15.624
15.647
710
720
15.647
15.671
15.694
15.717
15.741
15.764
15.788
15.811
15.834
15.858
15.881
720
730
15.881
15.905
15.928
15.952
15.975
15.998
16.022
16.045
16.069
16.092
16.116
730
740
16.116
16.139
16.163
16.186
16.209
16.233
16.256
16.280
16.303
16.327
16.350
740
750
16.350
16.374
16.397
16.421
16.444
16.468
16.491
16.515
16.538
16.561
16.585
750
760
16.585
16.608
16.632
16.655
16.679
16.702
16.726
16.749
16.773
16.796
16.820
760
770
16.820
16.843
16.867
16.890
16.914
16.937
16.961
16.984
17.008
17.031
17.055
770
780
17.055
17.078
17.102
17.125
17.149
17.173
17.196
17.220
17.243
17.267
17.290
780
790
17.290
17.314
17.337
17.361
17.384
17.408
17.431
17.455
17.478
17.502
17.526
790
800
17.526
17.549
17.573
17.596
17.620
17.643
17.667
17.690
17.714
17.738
17.761
800
810
17.761
17.785
17.808
17.832
17.855
17.879
17.902
17.926
17.950
17.973
17.997
810
820
17.997
18.020
18.044
18.068
18.091
18.115
18.138
18.162
18.185
18.209
18.233
820
830
18.233
18.256
18.280
18.303
18.327
18.351
18.374
18.398
18.421
18.445
18.469
830
840
18.469
18.492
18.516
18.539
18.563
18.587
18.610
18.634
18.657
18.681
18.705
840
850
18.705
18.728
18.752
18.776
18.799
18.823
18.846
18.870
18.894
18.917
18.941
850
860
18.941
18.965
18.988
19.012
19.035
19.059
19.083
19.106
19.130
19.154
19.177
860
870
19.177
19.201
19.224
19.248
19.272
19.295
19.319
19.343
19.366
19.390
19.414
870
880
19.414
19.437
19.461
19.485
19.508
19.532
19.556
19.579
19.603
19.626
19.650
880
890
19.650
19.674
19.697
19.721
19.745
19.768
19.792
19.816
19.839
19.863
19.887
890
900
19.887
19.910
19.934
19.958
19.981
20.005
20.029
20.052
20.076
20.100
20.123
900
910
20.123
20.147
20.171
20.194
20.218
20.242
20.265
20.289
20.313
20.336
20.360
910
920
20.360
20.384
20.407
20.431
20.455
20.479
20.502
20.526
20.550
20.573
20.597
920
930
20.597
20.621
20.644
20.668
20.692
20.715
20.739
20.763
20.786
20.810
20.834
930
940
20.834
20.857
20.881
20.905
20.929
20.952
20.976
21.000
21.023
21.047
21.071
940
950
21.071
21.094
21.118
21.142
21.165
21.189
21.213
21.236
21.260
21.284
21.308
950
960
21.308
21.331
21.355
21.379
21.402
21.426
21.450
21.473
21.497
21.521
21.544
960
970
21.544
21.568
21.592
21.616
21.639
21.663
21.687
21.710
21.734
21.758
21.781
970
980
21.781
21.805
21.829
21.852
21.876
21.900
21.924
21.947
21.971
21.995
22.018
980
990
22.018
22.042
22.066
22.089
22.113
22.137
22.160
22.184
22.208
22.232
22.255
990
1000
22.255
22.279
22.303
22.326
22.350
22.374
22.397
22.421
22.445
22.468
22.492
1000
1010
22.492
22.516
22.540
22.563
22.587
22.611
22.634
22.658
22.682
22.705
22.729
1010
1020
22.729
22.753
22.776
22.800
22.824
22.847
22.871
22.895
22.919
22.942
22.966
1020
1030
22.966
22.990
23.013
23.037
23.061
23.084
23.108
23.132
23.155
23.179
23.203
1030
1040
23.203
23.226
23.250
23.274
23.297
23.321
23.345
23.368
23.392
23.416
23.439
1040