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
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R
°F
1450
7.800
7.807
7.813
7.820
7.827
7.834
7.841
7.847
7.854
7.861
7.868
1450
1460
7.868
7.875
7.882
7.888
7.895
7.902
7.909
7.916
7.922
7.929
7.936
1460
1470
7.936
7.943
7.950
7.957
7.964
7.970
7.977
7.984
7.991
7.998
8.005
1470
1480
8.005
8.011
8.018
8.025
8.032
8.039
8.046
8.053
8.059
8.066
8.073
1480
1490
8.073
8.080
8.087
8.094
8.101
8.108
8.114
8.121
8.128
8.135
8.142
1490
1500
8.142
8.149
8.156
8.163
8.169
8.176
8.183
8.190
8.197
8.204
8.211
1500
1510
8.211
8.218
8.225
8.232
8.238
8.245
8.252
8.259
8.266
8.273
8.280
1510
1520
8.280
8.287
8.294
8.301
8.308
8.314
8.321
8.328
8.335
8.342
8.349
1520
1530
8.349
8.356
8.363
8.370
8.377
8.384
8.391
8.398
8.405
8.411
8.418
1530
1540
8.418
8.425
8.432
8.439
8.446
8.453
8.460
8.467
8.474
8.481
8.488
1540
1550
8.488
8.495
8.502
8.509
8.516
8.523
8.530
8.537
8.544
8.551
8.557
1550
1560
8.557
8.564
8.571
8.578
8.585
8.592
8.599
8.606
8.613
8.620
8.627
1560
1570
8.627
8.634
8.641
8.648
8.655
8.662
8.669
8.676
8.683
8.690
8.697
1570
1580
8.697
8.704
8.711
8.718
8.725
8.732
8.739
8.746
8.753
8.760
8.767
1580
1590
8.767
8.774
8.781
8.788
8.795
8.802
8.809
8.816
8.823
8.830
8.837
1590
1600
8.837
8.844
8.852
8.859
8.866
8.873
8.880
8.887
8.894
8.901
8.908
1600
1610
8.908
8.915
8.922
8.929
8.936
8.943
8.950
8.957
8.964
8.971
8.978
1610
1620
8.978
8.985
8.992
8.999
9.007
9.014
9.021
9.028
9.035
9.042
9.049
1620
1630
9.049
9.056
9.063
9.070
9.077
9.084
9.091
9.098
9.106
9.113
9.120
1630
1640
9.120
9.127
9.134
9.141
9.148
9.155
9.162
9.169
9.176
9.184
9.191
1640
1650
9.191
9.198
9.205
9.212
9.219
9.226
9.233
9.240
9.248
9.255
9.262
1650
1660
9.262
9.269
9.276
9.283
9.290
9.297
9.304
9.312
9.319
9.326
9.333
1660
1670
9.333
9.340
9.347
9.354
9.361
9.369
9.376
9.383
9.390
9.397
9.404
1670
1680
9.404
9.411
9.419
9.426
9.433
9.440
9.447
9.454
9.461
9.469
9.476
1680
1690
9.476
9.483
9.490
9.497
9.504
9.512
9.519
9.526
9.533
9.540
9.547
1690
1700
9.547
9.555
9.562
9.569
9.576
9.583
9.590
9.598
9.605
9.612
9.619
1700
1710
9.619
9.626
9.634
9.641
9.648
9.655
9.662
9.670
9.677
9.684
9.691
1710
1720
9.691
9.698
9.706
9.713
9.720
9.727
9.734
9.742
9.749
9.756
9.763
1720
1730
9.763
9.770
9.778
9.785
9.792
9.799
9.806
9.814
9.821
9.828
9.835
1730
1740
9.835
9.843
9.850
9.857
9.864
9.872
9.879
9.886
9.893
9.900
9.908
1740
1750
9.908
9.915
9.922
9.929
9.937
9.944
9.951
9.958
9.966
9.973
9.980
1750
1760
9.980
9.987
9.995
10.002
10.009
10.016
10.024
10.031
10.038
10.046
10.053
1760
1770
10.053
10.060
10.067
10.075
10.082
10.089
10.096
10.104
10.111
10.118
10.126
1770
1780
10.126
10.133
10.140
10.147
10.155
10.162
10.169
10.177
10.184
10.191
10.198
1780
1790
10.198
10.206
10.213
10.220
10.228
10.235
10.242
10.250
10.257
10.264
10.271
1790
1800
10.271
10.279
10.286
10.293
10.301
10.308
10.315
10.323
10.330
10.337
10.345
1800
1810
10.345
10.352
10.359
10.367
10.374
10.381
10.389
10.396
10.403
10.411
10.418
1810
1820
10.418
10.425
10.433
10.440
10.447
10.455
10.462
10.469
10.477
10.484
10.491
1820
1830
10.491
10.499
10.506
10.513
10.521
10.528
10.535
10.543
10.550
10.557
10.565
1830
1840
10.565
10.572
10.580
10.587
10.594
10.602
10.609
10.616
10.624
10.631
10.638
1840
1850
10.638
10.646
10.653
10.661
10.668
10.675
10.683
10.690
10.698
10.705
10.712
1850
1860
10.712
10.720
10.727
10.734
10.742
10.749
10.757
10.764
10.771
10.779
10.786
1860
1870
10.786
10.794
10.801
10.808
10.816
10.823
10.831
10.838
10.845
10.853
10.860
1870
1880
10.860
10.868
10.875
10.883
10.890
10.897
10.905
10.912
10.920
10.927
10.934
1880
1890
10.934
10.942
10.949
10.957
10.964
10.972
10.979
10.986
10.994
11.001
11.009
1890
1900
11.009
11.016
11.024
11.031
11.039
11.046
11.053
11.061
11.068
11.076
11.083
1900
1910
11.083
11.091
11.098
11.106
11.113
11.121
11.128
11.135
11.143
11.150
11.158
1910
1920
11.158
11.165
11.173
11.180
11.188
11.195
11.203
11.210
11.218
11.225
11.233
1920
1930
11.233
11.240
11.247
11.255
11.262
11.270
11.277
11.285
11.292
11.300
11.307
1930
1940
11.307
11.315
11.322
11.330
11.337
11.345
11.352
11.360
11.367
11.375
11.382
1940