Tab.1 - Thermoelectric voltage as a function of temperature ( °C) for K, J, T and N thermocouples according to EN60584-1-2
ASTM E 230 - ANSI (MC96.1). Reference junctions at 0 °C
Tc K
(Ref @ 0°C)
°C
mV
°C
-200
-5.891
510
-190
-5.730
520
-180
530
-5.550
-170
540
-5.354
-160
550
-5.141
-150
560
-4.913
-140
570
-4.669
-130
-4.411
580
-120
-4.138
590
-110
-3.852
600
-100
-3.554
610
-90
-3.243
620
-80
-2.920
630
-70
-2.587
640
-60
650
-2.243
-50
660
-1.889
-40
670
-1.527
-30
680
-1.156
-20
-0.778
690
-10
-0.392
700
0
0.000
710
10
0.397
720
20
0.798
730
30
1.203
740
40
1.612
750
50
760
2.023
60
770
2.436
70
780
2.851
80
790
3.267
90
3.682
800
100
4.096
810
110
4.509
820
120
4.920
830
130
5.328
840
140
5.735
850
150
6.138
860
160
870
6.540
170
880
6.941
180
890
7.340
190
900
7.739
200
8.138
910
210
8.539
920
220
8.940
930
230
9.343
940
240
9.747
950
250
10.153
960
260
10.561
970
270
980
10.971
280
990
11.382
290
1000
11.795
300
1010
12.209
310
12.624
1020
320
13.040
1030
330
13.457
1040
340
13.874
1050
350
14.293
1060
360
14.713
1070
370
15.133
1080
380
1090
15.554
390
1100
15.975
400
1110
16.397
410
1120
16.820
420
1130
17.243
430
17.667
1140
440
18.091
1150
450
18.516
1160
460
18.941
1170
470
19.366
1180
480
19.792
1190
490
1200
20.218
500
20.644
Tc J
(Ref @ 0°C)
mV
°C
mV
21.071
-200
-5.891
21.497
-190
-5.730
-180
21.924
-5.550
-170
22.350
-5.354
-160
22.776
-5.141
-150
23.203
-4.913
-140
23.629
-4.669
24.055
-130
-4.411
24.480
-120
-4.138
24.905
-110
-3.852
25.330
-100
-3.554
25.755
-90
-3.243
26.179
-80
-2.920
26.602
-70
-2.587
-60
27.025
-2.243
-50
27.447
-1.889
-40
27.869
-1.527
-30
28.289
-1.156
28.710
-20
-0.778
29.129
-10
-0.392
29.548
0
0.000
29.965
10
0.397
30.382
20
0.798
30.798
30
1.203
31.213
40
1.612
50
31.628
2.023
60
32.041
2.436
70
32.453
2.851
80
32.865
3.267
33.275
90
3.682
33.685
100
4.096
34.093
110
4.509
34.501
120
4.920
34.908
130
5.328
35.313
140
5.735
35.718
150
6.138
160
36.121
6.540
170
36.524
6.941
180
36.925
7.340
190
37.326
7.739
37.725
200
8.138
38.124
210
8.539
38.522
220
8.940
38.918
230
9.343
39.314
240
9.747
39.708
250
10.153
40.101
260
10.561
270
40.494
10.971
280
40.885
11.382
290
41.276
11.795
300
41.665
12.209
42.053
310
12.624
42.440
320
13.040
42.826
330
13.457
43.211
340
13.874
43.595
350
14.293
43.978
360
14.713
44.359
370
15.133
380
44.740
15.554
390
45.119
15.975
400
45.497
16.397
410
45.873
16.820
420
46.249
17.243
46.623
430
17.667
46.995
440
18.091
47.367
450
18.516
47.737
460
18.941
48.105
470
19.366
48.473
480
19.792
490
48.838
20.218
500
20.644
Tc T
(Ref @ 0°C)
°C
mV
°C
510
21.071
-200
520
21.497
-190
530
-180
21.924
540
-170
22.350
550
-160
22.776
560
-150
23.203
570
-140
23.629
580
24.055
-130
590
24.480
-120
600
24.905
-110
610
25.330
-100
620
25.755
-90
630
26.179
-80
640
26.602
-70
650
-60
27.025
660
-50
27.447
670
-40
27.869
680
-30
28.289
690
28.710
-20
700
29.129
-10
710
29.548
0
720
29.965
10
730
30.382
20
740
30.798
30
750
31.213
40
760
50
31.628
770
60
32.041
780
70
32.453
790
80
32.865
800
33.275
90
810
33.685
100
820
34.093
110
830
34.501
120
840
34.908
130
850
35.313
140
860
35.718
150
870
160
36.121
880
170
36.524
890
180
36.925
900
190
37.326
910
37.725
200
920
38.124
210
930
38.522
220
940
38.918
230
950
39.314
240
960
39.708
250
970
40.101
260
980
270
40.494
990
280
40.885
1000
290
41.276
1010
300
41.665
1020
42.053
1030
42.440
1040
42.826
1050
43.211
1060
43.595
1070
43.978
1080
44.359
1090
44.740
1100
45.119
1110
45.497
1120
45.873
1130
46.249
1140
46.623
1150
46.995
1160
47.367
1170
47.737
1180
48.105
1190
48.473
1200
48.838
Tc N
(Ref @ 0°C)
mV
°C
mV
-5.603
-200
-3.990
-5.439
-190
-3.884
-180
-5.261
-3.766
-170
-5.070
-3.634
-160
-4.865
-3.491
-150
-4.648
-3.336
-140
-4.419
-3.171
-4.177
-130
-2.994
-3.923
-120
-2.808
-3.657
-110
-2.612
-3.379
-100
-2.407
-3.089
-90
-2.193
-2.788
-80
-1.972
-2.476
-70
-1.744
-60
-2.153
-1.509
-50
-1.819
-1.269
-40
-1.475
-1.023
-30
-1.121
-0.772
-0.757
-20
-0.518
-0.383
-10
-0.260
0.000
0
0.000
0.391
10
0.261
0.790
20
0.525
1.196
30
0.793
1.612
40
1.065
50
2.036
1.340
60
2.468
1.619
70
2.909
1.902
80
3.358
2.189
3.814
90
2.480
4.279
100
2.774
4.750
110
3.072
5.228
120
3.374
5.714
130
3.680
6.206
140
3.989
6.704
150
4.302
160
7.209
4.618
170
7.720
4.937
180
8.237
5.259
190
8.759
5.585
9.288
200
5.913
9.822
210
6.245
10.362
220
6.579
10.907
230
6.916
11.458
240
7.255
12.013
250
7.597
12.574
260
7.941
270
13.139
8.288
280
13.709
8.637
290
14.283
8.988
300
14.862
9.341
310
9.696
320
10.054
330
10.413
340
10.774
350
11.136
360
11.501
370
11.867
380
12.234
390
12.603
400
12.974
410
13.346
420
13.719
430
14.094
440
14.469
450
14.846
460
15.225
470
15.604
480
15.984
490
16.366
500
16.748
°C
mV
510
17.131
520
17.515
530
17.900
540
18.286
550
18.672
560
19.059
570
19.447
580
19.835
590
20.224
600
20.613
610
21.003
620
21.393
630
21.784
640
22.175
650
22.566
660
22.958
670
23.350
680
23.742
690
24.134
700
24.527
710
24.919
720
25.312
730
25.705
740
26.098
750
26.491
760
26.883
770
27.276
780
27.669
790
28.062
800
28.455
810
28.847
820
29.239
830
29.632
840
30.024
850
30.416
860
30.807
870
31.199
880
31.590
890
31.981
900
32.371
910
32.761
920
33.151
930
33.541
940
33.930
950
34.319
960
34.707
970
35.095
980
35.482
990
35.869
1000
36.256
1010
36.641
1020
37.027
1030
37.411
1040
37.795
1050
38.179
1060
38.562
1070
38.944
1080
39.326
1090
39.706
1100
40.087
1110
40.466
1120
40.845
1130
41.223
1140
41.600
1150
41.976
1160
42.352
1170
42.727
1180
43.101
1190
43.474
1200
43.846