TABLE 12 Type N 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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N
°F
1000
18.200
18.221
18.243
18.264
18.286
18.307
18.328
18.350
18.371
18.393
18.414
1000
1010
18.414
18.436
18.457
18.479
18.500
18.522
18.543
18.565
18.586
18.608
18.629
1010
1020
18.629
18.650
18.672
18.693
18.715
18.736
18.758
18.779
18.801
18.822
18.844
1020
1030
18.844
18.865
18.887
18.908
18.930
18.951
18.973
18.994
19.016
19.037
19.059
1030
1040
19.059
19.081
19.102
19.124
19.145
19.167
19.188
19.210
19.231
19.253
19.274
1040
1050
19.274
19.296
19.317
19.339
19.360
19.382
19.404
19.425
19.447
19.468
19.490
1050
1060
19.490
19.511
19.533
19.554
19.576
19.598
19.619
19.641
19.662
19.684
19.705
1060
1070
19.705
19.727
19.749
19.770
19.792
19.813
19.835
19.857
19.878
19.900
19.921
1070
1080
19.921
19.943
19.964
19.986
20.008
20.029
20.051
20.072
20.094
20.116
20.137
1080
1090
20.137
20.159
20.181
20.202
20.224
20.245
20.267
20.289
20.310
20.332
20.353
1090
1100
20.353
20.375
20.397
20.418
20.440
20.462
20.483
20.505
20.527
20.548
20.570
1100
1110
20.570
20.591
20.613
20.635
20.656
20.678
20.700
20.721
20.743
20.765
20.786
1110
1120
20.786
20.808
20.830
20.851
20.873
20.895
20.916
20.938
20.960
20.981
21.003
1120
1130
21.003
21.025
21.046
21.068
21.090
21.111
21.133
21.155
21.176
21.198
21.220
1130
1140
21.220
21.241
21.263
21.285
21.306
21.328
21.350
21.371
21.393
21.415
21.437
1140
1150
21.437
21.458
21.480
21.502
21.523
21.545
21.567
21.588
21.610
21.632
21.654
1150
1160
21.654
21.675
21.697
21.719
21.740
21.762
21.784
21.806
21.827
21.849
21.871
1160
1170
21.871
21.892
21.914
21.936
21.958
21.979
22.001
22.023
22.044
22.066
22.088
1170
1180
22.088
22.110
22.131
22.153
22.175
22.197
22.218
22.240
22.262
22.284
22.305
1180
1190
22.305
22.327
22.349
22.370
22.392
22.414
22.436
22.457
22.479
22.501
22.523
1190
1200
22.523
22.544
22.566
22.588
22.610
22.631
22.653
22.675
22.697
22.718
22.740
1200
1210
22.740
22.762
22.784
22.805
22.827
22.849
22.871
22.893
22.914
22.936
22.958
1210
1220
22.958
22.980
23.001
23.023
23.045
23.067
23.088
23.110
23.132
23.154
23.176
1220
1230
23.176
23.197
23.219
23.241
23.263
23.284
23.306
23.328
23.350
23.372
23.393
1230
1240
23.393
23.415
23.437
23.459
23.480
23.502
23.524
23.546
23.568
23.589
23.611
1240
1250
23.611
23.633
23.655
23.676
23.698
23.720
23.742
23.764
23.785
23.807
23.829
1250
1260
23.829
23.851
23.873
23.894
23.916
23.938
23.960
23.982
24.003
24.025
24.047
1260
1270
24.047
24.069
24.091
24.112
24.134
24.156
24.178
24.200
24.221
24.243
24.265
1270
1280
24.265
24.287
24.309
24.330
24.352
24.374
24.396
24.418
24.439
24.461
24.483
1280
1290
24.483
24.505
24.527
24.548
24.570
24.592
24.614
24.636
24.658
24.679
24.701
1290
1300
24.701
24.723
24.745
24.767
24.788
24.810
24.832
24.854
24.876
24.897
24.919
1300
1310
24.919
24.941
24.963
24.985
25.007
25.028
25.050
25.072
25.094
25.116
25.137
1310
1320
25.137
25.159
25.181
25.203
25.225
25.247
25.268
25.290
25.312
25.334
25.356
1320
1330
25.356
25.377
25.399
25.421
25.443
25.465
25.487
25.508
25.530
25.552
25.574
1330
1340
25.574
25.596
25.618
25.639
25.661
25.683
25.705
25.727
25.748
25.770
25.792
1340
1350
25.792
25.814
25.836
25.858
25.879
25.901
25.923
25.945
25.967
25.989
26.010
1350
1360
26.010
26.032
26.054
26.076
26.098
26.119
26.141
26.163
26.185
26.207
26.229
1360
1370
26.229
26.250
26.272
26.294
26.316
26.338
26.360
26.381
26.403
26.425
26.447
1370
1380
26.447
26.469
26.491
26.512
26.534
26.556
26.578
26.600
26.622
26.643
26.665
1380
1390
26.665
26.687
26.709
26.731
26.752
26.774
26.796
26.818
26.840
26.862
26.883
1390
1400
26.883
26.905
26.927
26.949
26.971
26.993
27.014
27.036
27.058
27.080
27.102
1400
1410
27.102
27.124
27.145
27.167
27.189
27.211
27.233
27.254
27.276
27.298
27.320
1410
1420
27.320
27.342
27.364
27.385
27.407
27.429
27.451
27.473
27.495
27.516
27.538
1420
1430
27.538
27.560
27.582
27.604
27.625
27.647
27.669
27.691
27.713
27.735
27.756
1430
1440
27.756
27.778
27.800
27.822
27.844
27.866
27.887
27.909
27.931
27.953
27.975
1440
1450
27.975
27.996
28.018
28.040
28.062
28.084
28.105
28.127
28.149
28.171
28.193
1450
1460
28.193
28.215
28.236
28.258
28.280
28.302
28.324
28.345
28.367
28.389
28.411
1460
1470
28.411
28.433
28.455
28.476
28.498
28.520
28.542
28.564
28.585
28.607
28.629
1470
1480
28.629
28.651
28.673
28.694
28.716
28.738
28.760
28.782
28.803
28.825
28.847
1480
1490
28.847
28.869
28.891
28.912
28.934
28.956
28.978
29.000
29.021
29.043
29.065
1490