TABLE 24 Type M 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
M
°F
-50
-1.587
-1.605
-1.623
-1.641
-1.660
-1.678
-1.696
-1.714
-1.732
-50
-40
-1.404
-1.422
-1.441
-1.459
-1.477
-1.496
-1.514
-1.532
-1.551
-1.569
-1.587
-40
-30
-1.218
-1.236
-1.255
-1.274
-1.292
-1.311
-1.330
-1.348
-1.367
-1.385
-1.404
-30
-20
-1.029
-1.048
-1.067
-1.086
-1.105
-1.123
-1.142
-1.161
-1.180
-1.199
-1.218
-20
-10
-0.837
-0.856
-0.875
-0.895
-0.914
-0.933
-0.952
-0.971
-0.990
-1.009
-1.029
-10
0
-0.642
-0.662
-0.681
-0.701
-0.720
-0.740
-0.759
-0.779
-0.798
-0.817
-0.837
0
0
-0.642
-0.622
-0.603
-0.583
-0.563
-0.543
-0.524
-0.504
-0.484
-0.464
-0.444
0
10
-0.444
-0.424
-0.405
-0.385
-0.365
-0.345
-0.325
-0.304
-0.284
-0.264
-0.244
10
20
-0.244
-0.224
-0.204
-0.183
-0.163
-0.143
-0.123
-0.102
-0.082
-0.061
-0.041
20
30
-0.041
-0.020
0.000
0.021
0.041
0.062
0.082
0.103
0.123
0.144
0.165
30
40
0.165
0.186
0.206
0.227
0.248
0.269
0.290
0.311
0.331
0.352
0.373
40
50
0.373
0.394
0.415
0.436
0.458
0.479
0.500
0.521
0.542
0.563
0.585
50
60
0.585
0.606
0.627
0.648
0.670
0.691
0.713
0.734
0.755
0.777
0.798
60
70
0.798
0.820
0.841
0.863
0.885
0.906
0.928
0.950
0.971
0.993
1.015
70
80
1.015
1.037
1.058
1.080
1.102
1.124
1.146
1.168
1.190
1.212
1.234
80
90
1.234
1.256
1.278
1.300
1.322
1.344
1.366
1.388
1.411
1.433
1.455
90
100
1.455
1.477
1.500
1.522
1.544
1.567
1.589
1.612
1.634
1.656
1.679
100
110
1.679
1.701
1.724
1.747
1.769
1.792
1.814
1.837
1.860
1.882
1.905
110
120
1.905
1.928
1.951
1.974
1.996
2.019
2.042
2.065
2.088
2.111
2.134
120
130
2.134
2.157
2.180
2.203
2.226
2.249
2.272
2.295
2.318
2.342
2.365
130
140
2.365
2.388
2.411
2.435
2.458
2.481
2.504
2.528
2.551
2.575
2.598
140
150
2.598
2.621
2.645
2.668
2.692
2.715
2.739
2.763
2.786
2.810
2.833
150
160
2.833
2.857
2.881
2.904
2.928
2.952
2.976
2.999
3.023
3.047
3.071
160
170
3.071
3.095
3.119
3.143
3.167
3.191
3.215
3.238
3.263
3.287
3.311
170
180
3.311
3.335
3.359
3.383
3.407
3.431
3.455
3.480
3.504
3.528
3.552
180
190
3.552
3.577
3.601
3.625
3.650
3.674
3.698
3.723
3.747
3.772
3.796
190
200
3.796
3.820
3.845
3.869
3.894
3.919
3.943
3.968
3.992
4.017
4.042
200
210
4.042
4.066
4.091
4.116
4.140
4.165
4.190
4.215
4.239
4.264
4.289
210
220
4.289
4.314
4.339
4.364
4.389
4.414
4.438
4.463
4.488
4.513
4.538
220
230
4.538
4.563
4.588
4.614
4.639
4.664
4.689
4.714
4.739
4.764
4.789
230
240
4.789
4.815
4.840
4.865
4.890
4.916
4.941
4.966
4.992
5.017
5.042
240
250
5.042
5.068
5.093
5.118
5.144
5.169
5.195
5.220
5.246
5.271
5.297
250
260
5.297
5.322
5.348
5.373
5.399
5.424
5.450
5.476
5.501
5.527
5.553
260
270
5.553
5.578
5.604
5.630
5.655
5.681
5.707
5.733
5.758
5.784
5.810
270
280
5.810
5.836
5.862
5.888
5.913
5.939
5.965
5.991
6.017
6.043
6.069
280
290
6.069
6.095
6.121
6.147
6.173
6.199
6.225
6.251
6.277
6.303
6.329
290
300
6.329
6.355
6.381
6.408
6.434
6.460
6.486
6.512
6.538
6.565
6.591
300
310
6.591
6.617
6.643
6.670
6.696
6.722
6.748
6.775
6.801
6.827
6.854
310
320
6.854
6.880
6.906
6.933
6.959
6.985
7.012
7.038
7.065
7.091
7.118
320
330
7.118
7.144
7.171
7.197
7.224
7.250
7.277
7.303
7.330
7.356
7.383
330
340
7.383
7.409
7.436
7.463
7.489
7.516
7.542
7.569
7.596
7.622
7.649
340
350
7.649
7.676
7.702
7.729
7.756
7.782
7.809
7.836
7.863
7.889
7.916
350
360
7.916
7.943
7.970
7.996
8.023
8.050
8.077
8.104
8.130
8.157
8.184
360
370
8.184
8.211
8.238
8.265
8.292
8.318
8.345
8.372
8.399
8.426
8.453
370
380
8.453
8.480
8.507
8.534
8.561
8.588
8.615
8.642
8.669
8.696
8.723
380
390
8.723
8.750
8.777
8.804
8.831
8.858
8.885
8.912
8.939
8.966
8.993
390
400
8.993
9.020
9.047
9.074
9.101
9.128
9.155
9.183
9.210
9.237
9.264
400
410
9.264
9.291
9.318
9.345
9.372
9.400
9.427
9.454
9.481
9.508
9.535
410
420
9.535
9.562
9.590
9.617
9.644
9.671
9.698
9.726
9.753
9.780
9.807
420
430
9.807
9.834
9.862
9.889
9.916
9.943
9.971
9.998
10.025
10.052
10.079
430
440
10.079
10.107
10.134
10.161
10.188
10.216
10.243
10.270
10.297
10.325
10.352
440