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
Page 1 | Page 2 | Page 3 | Page 4 | Page 5 | Page 6
N
°F
0
-0.461
-0.447
-0.433
-0.418
-0.404
-0.390
-0.375
-0.361
-0.347
-0.332
-0.318
0
10
-0.318
-0.304
-0.289
-0.275
-0.260
-0.246
-0.232
-0.217
-0.203
-0.188
-0.174
10
20
-0.174
-0.159
-0.145
-0.131
-0.116
-0.102
-0.087
-0.073
-0.058
-0.044
-0.029
20
30
-0.029
-0.015
0.000
0.014
0.029
0.043
0.058
0.072
0.087
0.101
0.116
30
40
0.116
0.130
0.145
0.159
0.174
0.188
0.203
0.217
0.232
0.246
0.261
40
50
0.261
0.275
0.290
0.305
0.319
0.334
0.349
0.363
0.378
0.393
0.407
50
60
0.407
0.422
0.437
0.451
0.466
0.481
0.496
0.510
0.525
0.540
0.555
60
70
0.555
0.570
0.584
0.599
0.614
0.629
0.644
0.659
0.674
0.688
0.703
70
80
0.703
0.718
0.733
0.748
0.763
0.778
0.793
0.808
0.823
0.838
0.853
80
90
0.853
0.868
0.883
0.898
0.913
0.928
0.943
0.958
0.974
0.989
1.004
90
100
1.004
1.019
1.034
1.049
1.065
1.080
1.095
1.110
1.125
1.141
1.156
100
110
1.156
1.171
1.186
1.202
1.217
1.232
1.248
1.263
1.278
1.294
1.309
110
120
1.309
1.324
1.340
1.355
1.371
1.386
1.402
1.417
1.432
1.448
1.463
120
130
1.463
1.479
1.494
1.510
1.525
1.541
1.557
1.572
1.588
1.603
1.619
130
140
1.619
1.635
1.650
1.666
1.682
1.697
1.713
1.729
1.744
1.760
1.776
140
150
1.776
1.791
1.807
1.823
1.839
1.855
1.870
1.886
1.902
1.918
1.934
150
160
1.934
1.950
1.965
1.981
1.997
2.013
2.029
2.045
2.061
2.077
2.093
160
170
2.093
2.109
2.125
2.141
2.157
2.173
2.189
2.205
2.221
2.237
2.253
170
180
2.253
2.269
2.285
2.301
2.318
2.334
2.350
2.366
2.382
2.398
2.415
180
190
2.415
2.431
2.447
2.463
2.480
2.496
2.512
2.528
2.545
2.561
2.577
190
200
2.577
2.594
2.610
2.626
2.643
2.659
2.676
2.692
2.708
2.725
2.741
200
210
2.741
2.758
2.774
2.791
2.807
2.824
2.840
2.857
2.873
2.890
2.906
210
220
2.906
2.923
2.939
2.956
2.973
2.989
3.006
3.022
3.039
3.056
3.072
220
230
3.072
3.089
3.106
3.123
3.139
3.156
3.173
3.189
3.206
3.223
3.240
230
240
3.240
3.257
3.273
3.290
3.307
3.324
3.341
3.358
3.374
3.391
3.408
240
250
3.408
3.425
3.442
3.459
3.476
3.493
3.510
3.527
3.544
3.561
3.578
250
260
3.578
3.595
3.612
3.629
3.646
3.663
3.680
3.697
3.714
3.731
3.748
260
270
3.748
3.766
3.783
3.800
3.817
3.834
3.851
3.869
3.886
3.903
3.920
270
280
3.920
3.937
3.955
3.972
3.989
4.007
4.024
4.041
4.058
4.076
4.093
280
290
4.093
4.110
4.128
4.145
4.162
4.180
4.197
4.215
4.232
4.250
4.267
290
300
4.267
4.284
4.302
4.319
4.337
4.354
4.372
4.389
4.407
4.424
4.442
300
310
4.442
4.459
4.477
4.495
4.512
4.530
4.547
4.565
4.583
4.600
4.618
310
320
4.618
4.635
4.653
4.671
4.688
4.706
4.724
4.742
4.759
4.777
4.795
320
330
4.795
4.813
4.830
4.848
4.866
4.884
4.901
4.919
4.937
4.955
4.973
330
340
4.973
4.991
5.008
5.026
5.044
5.062
5.080
5.098
5.116
5.134
5.152
340
350
5.152
5.170
5.188
5.206
5.224
5.241
5.259
5.277
5.295
5.314
5.332
350
360
5.332
5.350
5.368
5.386
5.404
5.422
5.440
5.458
5.476
5.494
5.512
360
370
5.512
5.531
5.549
5.567
5.585
5.603
5.621
5.639
5.658
5.676
5.694
370
380
5.694
5.712
5.731
5.749
5.767
5.785
5.804
5.822
5.840
5.858
5.877
380
390
5.877
5.895
5.913
5.932
5.950
5.968
5.987
6.005
6.024
6.042
6.060
390
400
6.060
6.079
6.097
6.116
6.134
6.152
6.171
6.189
6.208
6.226
6.245
400
410
6.245
6.263
6.282
6.300
6.319
6.337
6.356
6.374
6.393
6.411
6.430
410
420
6.430
6.449
6.467
6.486
6.504
6.523
6.542
6.560
6.579
6.597
6.616
420
430
6.616
6.635
6.653
6.672
6.691
6.710
6.728
6.747
6.766
6.784
6.803
430
440
6.803
6.822
6.841
6.859
6.878
6.897
6.916
6.934
6.953
6.972
6.991
440
450
6.991
7.010
7.029
7.047
7.066
7.085
7.104
7.123
7.142
7.161
7.179
450
460
7.179
7.198
7.217
7.236
7.255
7.274
7.293
7.312
7.331
7.350
7.369
460
470
7.369
7.388
7.407
7.426
7.445
7.464
7.483
7.502
7.521
7.540
7.559
470
480
7.559
7.578
7.597
7.616
7.635
7.654
7.673
7.692
7.711
7.731
7.750
480
490
7.750
7.769
7.788
7.807
7.826
7.845
7.865
7.884
7.903
7.922
7.941
490