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
2450
15.240
15.248
15.255
15.263
15.271
15.279
15.287
15.295
15.302
15.310
15.318
2450
2460
15.318
15.326
15.334
15.342
15.349
15.357
15.365
15.373
15.381
15.389
15.397
2460
2470
15.397
15.404
15.412
15.420
15.428
15.436
15.444
15.451
15.459
15.467
15.475
2470
2480
15.475
15.483
15.491
15.499
15.506
15.514
15.522
15.530
15.538
15.546
15.553
2480
2490
15.553
15.561
15.569
15.577
15.585
15.593
15.601
15.608
15.616
15.624
15.632
2490
2500
15.632
15.640
15.648
15.655
15.663
15.671
15.679
15.687
15.695
15.703
15.710
2500
2510
15.710
15.718
15.726
15.734
15.742
15.750
15.758
15.765
15.773
15.781
15.789
2510
2520
15.789
15.797
15.805
15.812
15.820
15.828
15.836
15.844
15.852
15.860
15.867
2520
2530
15.867
15.875
15.883
15.891
15.899
15.907
15.915
15.922
15.930
15.938
15.946
2530
2540
15.946
15.954
15.962
15.969
15.977
15.985
15.993
16.001
16.009
16.017
16.024
2540
2550
16.024
16.032
16.040
16.048
16.056
16.064
16.071
16.079
16.087
16.095
16.103
2550
2560
16.103
16.111
16.119
16.126
16.134
16.142
16.150
16.158
16.166
16.174
16.181
2560
2570
16.181
16.189
16.197
16.205
16.213
16.221
16.228
16.236
16.244
16.252
16.260
2570
2580
16.260
16.268
16.276
16.283
16.291
16.299
16.307
16.315
16.323
16.330
16.338
2580
2590
16.338
16.346
16.354
16.362
16.370
16.378
16.385
16.393
16.401
16.409
16.417
2590
2600
16.417
16.425
16.432
16.440
16.448
16.456
16.464
16.472
16.480
16.487
16.495
2600
2610
16.495
16.503
16.511
16.519
16.527
16.534
16.542
16.550
16.558
16.566
16.574
2610
2620
16.574
16.582
16.589
16.597
16.605
16.613
16.621
16.629
16.636
16.644
16.652
2620
2630
16.652
16.660
16.668
16.676
16.683
16.691
16.699
16.707
16.715
16.723
16.731
2630
2640
16.731
16.738
16.746
16.754
16.762
16.770
16.778
16.785
16.793
16.801
16.809
2640
2650
16.809
16.817
16.825
16.832
16.840
16.848
16.856
16.864
16.872
16.879
16.887
2650
2660
16.887
16.895
16.903
16.911
16.919
16.926
16.934
16.942
16.950
16.958
16.966
2660
2670
16.966
16.973
16.981
16.989
16.997
17.005
17.013
17.020
17.028
17.036
17.044
2670
2680
17.044
17.052
17.060
17.067
17.075
17.083
17.091
17.099
17.107
17.114
17.122
2680
2690
17.122
17.130
17.138
17.146
17.154
17.161
17.169
17.177
17.185
17.193
17.200
2690
2700
17.200
17.208
17.216
17.224
17.232
17.240
17.247
17.255
17.263
17.271
17.279
2700
2710
17.279
17.286
17.294
17.302
17.310
17.318
17.326
17.333
17.341
17.349
17.357
2710
2720
17.357
17.365
17.373
17.380
17.388
17.396
17.404
17.412
17.419
17.427
17.435
2720
2730
17.435
17.443
17.451
17.458
17.466
17.474
17.482
17.490
17.498
17.505
17.513
2730
2740
17.513
17.521
17.529
17.537
17.544
17.552
17.560
17.568
17.576
17.583
17.591
2740
2750
17.591
17.599
17.607
17.615
17.622
17.630
17.638
17.646
17.654
17.661
17.669
2750
2760
17.669
17.677
17.685
17.693
17.700
17.708
17.716
17.724
17.732
17.739
17.747
2760
2770
17.747
17.755
17.763
17.771
17.778
17.786
17.794
17.802
17.810
17.817
17.825
2770
2780
17.825
17.833
17.841
17.849
17.856
17.864
17.872
17.880
17.888
17.895
17.903
2780
2790
17.903
17.911
17.919
17.926
17.934
17.942
17.950
17.958
17.965
17.973
17.981
2790
2800
17.981
17.989
17.997
18.004
18.012
18.020
18.028
18.035
18.043
18.051
18.059
2800
2810
18.059
18.067
18.074
18.082
18.090
18.098
18.105
18.113
18.121
18.129
18.137
2810
2820
18.137
18.144
18.152
18.160
18.168
18.175
18.183
18.191
18.199
18.206
18.214
2820
2830
18.214
18.222
18.230
18.238
18.245
18.253
18.261
18.269
18.276
18.284
18.292
2830
2840
18.292
18.300
18.307
18.315
18.323
18.331
18.338
18.346
18.354
18.362
18.369
2840
2850
18.369
18.377
18.385
18.393
18.400
18.408
18.416
18.424
18.431
18.439
18.447
2850
2860
18.447
18.455
18.462
18.470
18.478
18.486
18.493
18.501
18.509
18.517
18.524
2860
2870
18.524
18.532
18.540
18.548
18.555
18.563
18.571
18.579
18.586
18.594
18.602
2870
2880
18.602
18.610
18.617
18.625
18.633
18.640
18.648
18.656
18.664
18.671
18.679
2880
2890
18.679
18.687
18.695
18.702
18.710
18.718
18.725
18.733
18.741
18.749
18.756
2890
2900
18.756
18.764
18.772
18.779
18.787
18.795
18.803
18.810
18.818
18.826
18.834
2900
2910
18.834
18.841
18.849
18.857
18.864
18.872
18.880
18.887
18.895
18.903
18.911
2910
2920
18.911
18.918
18.926
18.934
18.941
18.949
18.957
18.965
18.972
18.980
18.988
2920
2930
18.988
18.995
19.003
19.011
19.018
19.026
19.034
19.042
19.049
19.057
19.065
2930
2940
19.065
19.072
19.080
19.088
19.095
19.103
19.111
19.118
19.126
19.134
19.141
2940