TABLE 14 Type R 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
Page 1 | Page 2 | Page 3 | Page 4 | Page 5 | Page 6 | Page 7
R
°F
450
1.759
1.764
1.769
1.774
1.779
1.784
1.790
1.795
1.800
1.805
1.810
450
460
1.810
1.815
1.820
1.825
1.831
1.836
1.841
1.846
1.851
1.856
1.861
460
470
1.861
1.867
1.872
1.877
1.882
1.887
1.892
1.898
1.903
1.908
1.913
470
480
1.913
1.918
1.923
1.929
1.934
1.939
1.944
1.949
1.955
1.960
1.965
480
490
1.965
1.970
1.975
1.981
1.986
1.991
1.996
2.002
2.007
2.012
2.017
490
500
2.017
2.022
2.028
2.033
2.038
2.043
2.049
2.054
2.059
2.064
2.070
500
510
2.070
2.075
2.080
2.085
2.091
2.096
2.101
2.107
2.112
2.117
2.122
510
520
2.122
2.128
2.133
2.138
2.144
2.149
2.154
2.159
2.165
2.170
2.175
520
530
2.175
2.181
2.186
2.191
2.197
2.202
2.207
2.213
2.218
2.223
2.229
530
540
2.229
2.234
2.239
2.245
2.250
2.255
2.261
2.266
2.271
2.277
2.282
540
550
2.282
2.287
2.293
2.298
2.304
2.309
2.314
2.320
2.325
2.330
2.336
550
560
2.336
2.341
2.347
2.352
2.357
2.363
2.368
2.374
2.379
2.384
2.390
560
570
2.390
2.395
2.401
2.406
2.411
2.417
2.422
2.428
2.433
2.438
2.444
570
580
2.444
2.449
2.455
2.460
2.466
2.471
2.477
2.482
2.487
2.493
2.498
580
590
2.498
2.504
2.509
2.515
2.520
2.526
2.531
2.537
2.542
2.547
2.553
590
600
2.553
2.558
2.564
2.569
2.575
2.580
2.586
2.591
2.597
2.602
2.608
600
610
2.608
2.613
2.619
2.624
2.630
2.635
2.641
2.646
2.652
2.657
2.663
610
620
2.663
2.668
2.674
2.679
2.685
2.690
2.696
2.701
2.707
2.713
2.718
620
630
2.718
2.724
2.729
2.735
2.740
2.746
2.751
2.757
2.762
2.768
2.773
630
640
2.773
2.779
2.785
2.790
2.796
2.801
2.807
2.812
2.818
2.824
2.829
640
650
2.829
2.835
2.840
2.846
2.851
2.857
2.863
2.868
2.874
2.879
2.885
650
660
2.885
2.891
2.896
2.902
2.907
2.913
2.919
2.924
2.930
2.935
2.941
660
670
2.941
2.947
2.952
2.958
2.964
2.969
2.975
2.980
2.986
2.992
2.997
670
680
2.997
3.003
3.009
3.014
3.020
3.026
3.031
3.037
3.042
3.048
3.054
680
690
3.054
3.059
3.065
3.071
3.076
3.082
3.088
3.093
3.099
3.105
3.110
690
700
3.110
3.116
3.122
3.127
3.133
3.139
3.144
3.150
3.156
3.161
3.167
700
710
3.167
3.173
3.179
3.184
3.190
3.196
3.201
3.207
3.213
3.218
3.224
710
720
3.224
3.230
3.236
3.241
3.247
3.253
3.258
3.264
3.270
3.276
3.281
720
730
3.281
3.287
3.293
3.298
3.304
3.310
3.316
3.321
3.327
3.333
3.339
730
740
3.339
3.344
3.350
3.356
3.362
3.367
3.373
3.379
3.385
3.390
3.396
740
750
3.396
3.402
3.408
3.413
3.419
3.425
3.431
3.437
3.442
3.448
3.454
750
760
3.454
3.460
3.465
3.471
3.477
3.483
3.489
3.494
3.500
3.506
3.512
760
770
3.512
3.517
3.523
3.529
3.535
3.541
3.546
3.552
3.558
3.564
3.570
770
780
3.570
3.576
3.581
3.587
3.593
3.599
3.605
3.610
3.616
3.622
3.628
780
790
3.628
3.634
3.640
3.645
3.651
3.657
3.663
3.669
3.675
3.680
3.686
790
800
3.686
3.692
3.698
3.704
3.710
3.716
3.721
3.727
3.733
3.739
3.745
800
810
3.745
3.751
3.757
3.762
3.768
3.774
3.780
3.786
3.792
3.798
3.803
810
820
3.803
3.809
3.815
3.821
3.827
3.833
3.839
3.845
3.851
3.856
3.862
820
830
3.862
3.868
3.874
3.880
3.886
3.892
3.898
3.904
3.909
3.915
3.921
830
840
3.921
3.927
3.933
3.939
3.945
3.951
3.957
3.963
3.969
3.975
3.980
840
850
3.980
3.986
3.992
3.998
4.004
4.010
4.016
4.022
4.028
4.034
4.040
850
860
4.040
4.046
4.052
4.058
4.064
4.069
4.075
4.081
4.087
4.093
4.099
860
870
4.099
4.105
4.111
4.117
4.123
4.129
4.135
4.141
4.147
4.153
4.159
870
880
4.159
4.165
4.171
4.177
4.183
4.189
4.195
4.201
4.207
4.213
4.219
880
890
4.219
4.225
4.231
4.237
4.243
4.249
4.255
4.261
4.267
4.273
4.279
890
900
4.279
4.285
4.291
4.297
4.303
4.309
4.315
4.321
4.327
4.333
4.339
900
910
4.339
4.345
4.351
4.357
4.363
4.369
4.375
4.381
4.387
4.393
4.399
910
920
4.399
4.405
4.411
4.417
4.423
4.429
4.435
4.441
4.447
4.453
4.459
920
930
4.459
4.465
4.471
4.477
4.483
4.489
4.495
4.502
4.508
4.514
4.520
930
940
4.520
4.526
4.532
4.538
4.544
4.550
4.556
4.562
4.568
4.574
4.580
940