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B型热电偶分度表

ITS-90 Table for type B thermocouple
°C 0 1 2 3 4 5 6 7 8 9 10
Thermoelectric Voltage in mV

0 0.000 0.000 0.000 -0.001 -0.001 -0.001 -0.001 -0.001 -0.002 -0.002 -0.002
10 -0.002 -0.002 -0.002 -0.002 -0.002 -0.002 -0.002 -0.002 -0.003 -0.003 -0.003
20 -0.003 -0.003 -0.003 -0.003 -0.003 -0.002 -0.002 -0.002 -0.002 -0.002 -0.002
30 -0.002 -0.002 -0.002 -0.002 -0.002 -0.001 -0.001 -0.001 -0.001 -0.001 0.000
40 0.000 0.000 0.000 0.000 0.000 0.001 0.001 0.001 0.002 0.002 0.002

50 0.002 0.003 0.003 0.003 0.004 0.004 0.004 0.005 0.005 0.006 0.006
60 0.006 0.007 0.007 0.008 0.008 0.009 0.009 0.010 0.010 0.011 0.011
70 0.011 0.012 0.012 0.013 0.014 0.014 0.015 0.015 0.016 0.017 0.017
80 0.017 0.018 0.019 0.020 0.020 0.021 0.022 0.022 0.023 0.024 0.025
90 0.025 0.026 0.026 0.027 0.028 0.029 0.030 0.031 0.031 0.032 0.033

100 0.033 0.034 0.035 0.036 0.037 0.038 0.039 0.040 0.041 0.042 0.043
110 0.043 0.044 0.045 0.046 0.047 0.048 0.049 0.050 0.051 0.052 0.053
120 0.053 0.055 0.056 0.057 0.058 0.059 0.060 0.062 0.063 0.064 0.065
130 0.065 0.066 0.068 0.069 0.070 0.072 0.073 0.074 0.075 0.077 0.078
140 0.078 0.079 0.081 0.082 0.084 0.085 0.086 0.088 0.089 0.091 0.092

150 0.092 0.094 0.095 0.096 0.098 0.099 0.101 0.102 0.104 0.106 0.107
160 0.107 0.109 0.110 0.112 0.113 0.115 0.117 0.118 0.120 0.122 0.123
170 0.123 0.125 0.127 0.128 0.130 0.132 0.134 0.135 0.137 0.139 0.141
180 0.141 0.142 0.144 0.146 0.148 0.150 0.151 0.153 0.155 0.157 0.159
190 0.159 0.161 0.163 0.165 0.166 0.168 0.170 0.172 0.174 0.176 0.178

200 0.178 0.180 0.182 0.184 0.186 0.188 0.190 0.192 0.195 0.197 0.199
210 0.199 0.201 0.203 0.205 0.207 0.209 0.212 0.214 0.216 0.218 0.220
220 0.220 0.222 0.225 0.227 0.229 0.231 0.234 0.236 0.238 0.241 0.243
230 0.243 0.245 0.248 0.250 0.252 0.255 0.257 0.259 0.262 0.264 0.267
240 0.267 0.269 0.271 0.274 0.276 0.279 0.281 0.284 0.286 0.289 0.291

250 0.291 0.294 0.296 0.299 0.301 0.304 0.307 0.309 0.312 0.314 0.317
260 0.317 0.320 0.322 0.325 0.328 0.330 0.333 0.336 0.338 0.341 0.344
270 0.344 0.347 0.349 0.352 0.355 0.358 0.360 0.363 0.366 0.369 0.372
280 0.372 0.375 0.377 0.380 0.383 0.386 0.389 0.392 0.395 0.398 0.401
290 0.401 0.404 0.407 0.410 0.413 0.416 0.419 0.422 0.425 0.428 0.431

300 0.431 0.434 0.437 0.440 0.443 0.446 0.449 0.452 0.455 0.458 0.462
310 0.462 0.465 0.468 0.471 0.474 0.478 0.481 0.484 0.487 0.490 0.494
320 0.494 0.497 0.500 0.503 0.507 0.510 0.513 0.517 0.520 0.5

23 0.527
330 0.527 0.530 0.533 0.537 0.540 0.544 0.547 0.550 0.554 0.557 0.561
340 0.561 0.564 0.568 0.571 0.575 0.578 0.582 0.585 0.589 0.592 0.596

350 0.596 0.599 0.603 0.607 0.610 0.614 0.617 0.621 0.625 0.628 0.632
360 0.632 0.636 0.639 0.643 0.647 0.650 0.654 0.658 0.662 0.665 0.669
370 0.669 0.673 0.677 0.680 0.684 0.688 0.692 0.696 0.700 0.703 0.707
380 0.707 0.711 0.715 0.719 0.723 0.727 0.731 0.735 0.738 0.742 0.746
390 0.746 0.750 0.754 0.758 0.762 0.766 0.770 0.774 0.778 0.782 0.787

400 0.787 0.791 0.795 0.799 0.803 0.807 0.811 0.815 0.819 0.824 0.828
410 0.828 0.832 0.836 0.840 0.844 0.849 0.853 0.857 0.861 0.866 0.870
420 0.870 0.874 0.878 0.883 0.887 0.891 0.896 0.900 0.904 0.909 0.913
430 0.913 0.917 0.922 0.926 0.930 0.935 0.939 0.944 0.948 0.953 0.957
440 0.957 0.961 0.966 0.970 0.975 0.979 0.984 0.988 0.993 0.997 1.002

450 1.002 1.007 1.011 1.016 1.020 1.025 1.030 1.034 1.039 1.043 1.048
460 1.048 1.053 1.057 1.062 1.067 1.071 1.076 1.081 1.086 1.090 1.095
470 1.095 1.100 1.105 1.109 1.114 1.119 1.124 1.129 1.133 1.138 1.143
480 1.143 1.148 1.153 1.158 1.163 1.167 1.172 1.177 1.182 1.187 1.192
490 1.192 1.197 1.202 1.207 1.212 1.217 1.222 1.227 1.232 1.237 1.242

°C 0 1 2 3 4 5 6 7 8 9 10

ITS-90 Table for type B thermocouple
°C 0 1 2 3 4 5 6 7 8 9 10
Thermoelectric Voltage in mV

500 1.242 1.247 1.252 1.257 1.262 1.267 1.272 1.277 1.282 1.288 1.293
510 1.293 1.298 1.303 1.308 1.313 1.318 1.324 1.329 1.334 1.339 1.344
520 1.344 1.350 1.355 1.360 1.365 1.371 1.376 1.381 1.387 1.392 1.397
530 1.397 1.402 1.408 1.413 1.418 1.424 1.429 1.435 1.440 1.445 1.451
540 1.451 1.456 1.462 1.467 1.472 1.478 1.483 1.489 1.494 1.500 1.505

550 1.505 1.511 1.516 1.522 1.527 1.533 1.539 1.544 1.550 1.555 1.561
560 1.561 1.566 1.572 1.578 1.583 1.589 1.595 1.600 1.606 1.612 1.617
570 1.617 1.623 1.629 1.634 1.640 1.646 1.652 1.657 1.663 1.669 1.675
580 1.675 1.680 1.686 1.692 1.698 1.704 1.709 1.715 1.721 1.727 1.733
590 1.733 1.739 1.745 1.750 1.756 1.762 1.768 1.774 1.780 1.786 1.792

600 1.792 1.798 1.804 1.810 1.816 1.822 1.828 1.834 1.840 1.846 1.852
610 1.852 1.858 1.864 1.870 1.876 1.882 1.888 1.894 1.901 1.907 1.913
620 1.913 1.919 1.925 1.931 1.937 1.944 1.950 1.956 1.962 1.968 1.975
630 1.975 1.981 1.987 1.993 1.999 2.006 2.012 2.018 2.025 2.031 2.037
640 2.037 2.043 2.050 2.056 2.062 2.069 2.075

2.082 2.088 2.094 2.101

650 2.101 2.107 2.113 2.120 2.126 2.133 2.139 2.146 2.152 2.158 2.165
660 2.165 2.171 2.178 2.184 2.191 2.197 2.204 2.210 2.217 2.224 2.230
670 2.230 2.237 2.243 2.250 2.256 2.263 2.270 2.276 2.283 2.289 2.296
680 2.296 2.303 2.309 2.316 2.323 2.329 2.336 2.343 2.350 2.356 2.363
690 2.363 2.370 2.376 2.383 2.390 2.397 2.403 2.410 2.417 2.424 2.431

700 2.431 2.437 2.444 2.451 2.458 2.465 2.472 2.479 2.485 2.492 2.499
710 2.499 2.506 2.513 2.520 2.527 2.534 2.541 2.548 2.555 2.562 2.569
720 2.569 2.576 2.583 2.590 2.597 2.604 2.611 2.618 2.625 2.632 2.639
730 2.639 2.646 2.653 2.660 2.667 2.674 2.681 2.688 2.696 2.703 2.710
740 2.710 2.717 2.724 2.731 2.738 2.746 2.753 2.760 2.767 2.775 2.782

750 2.782 2.789 2.796 2.803 2.811 2.818 2.825 2.833 2.840 2.847 2.854
760 2.854 2.862 2.869 2.876 2.884 2.891 2.898 2.906 2.913 2.921 2.928
770 2.928 2.935 2.943 2.950 2.958 2.965 2.973 2.980 2.987 2.995 3.002
780 3.002 3.010 3.017 3.025 3.032 3.040 3.047 3.055 3.062 3.070 3.078
790 3.078 3.085 3.093 3.100 3.108 3.116 3.123 3.131 3.138 3.146 3.154

800 3.154 3.161 3.169 3.177 3.184 3.192 3.200 3.207 3.215 3.223 3.230
810 3.230 3.238 3.246 3.254 3.261 3.269 3.277 3.285 3.292 3.300 3.308
820 3.308 3.316 3.324 3.331 3.339 3.347 3.355 3.363 3.371 3.379 3.386
830 3.386 3.394 3.402 3.410 3.418 3.426 3.434 3.442 3.450 3.458 3.466
840 3.466 3.474 3.482 3.490 3.498 3.506 3.514 3.522 3.530 3.538 3.546

850 3.546 3.554 3.562 3.570 3.578 3.586 3.594 3.602 3.610 3.618 3.626
860 3.626 3.634 3.643 3.651 3.659 3.667 3.675 3.683 3.692 3.700 3.708
870 3.708 3.716 3.724 3.732 3.741 3.749 3.757 3.765 3.774 3.782 3.790
880 3.790 3.798 3.807 3.815 3.823 3.832 3.840 3.848 3.857 3.865 3.873
890 3.873 3.882 3.890 3.898 3.907 3.915 3.923 3.932 3.940 3.949 3.957

900 3.957 3.965 3.974 3.982 3.991 3.999 4.008 4.016 4.024 4.033 4.041
910 4.041 4.050 4.058 4.067 4.075 4.084 4.093 4.101 4.110 4.118 4.127
920 4.127 4.135 4.144 4.152 4.161 4.170 4.178 4.187 4.195 4.204 4.213
930 4.213 4.221 4.230 4.239 4.247 4.256 4.265 4.273 4.282 4.291 4.299
940 4.299 4.308 4.317 4.326 4.334 4.343 4.352 4.360 4.369 4.378 4.387

950 4.387 4.396 4.404 4.413 4.422 4.431 4.440 4.448 4.457 4.466 4.475
960 4.475 4.484 4.493 4.501 4.510 4.519 4.528 4.537 4.546 4.555 4.564
970 4.564 4.573 4.582 4.591 4.599 4.608 4.617 4.626 4.635 4.644 4.653
980 4.653 4.662 4.671 4.680 4.689 4.698 4.707 4.716 4.725 4.734 4.743
990 4.743 4.753 4.762 4.771 4.780 4.789 4.798 4.8

07 4.816 4.825 4.834

°C 0 1 2 3 4 5 6 7 8 9 10

ITS-90 Table for type B thermocouple
°C 0 1 2 3 4 5 6 7 8 9 10
Thermoelectric Voltage in mV

1000 4.834 4.843 4.853 4.862 4.871 4.880 4.889 4.898 4.908 4.917 4.926
1010 4.926 4.935 4.944 4.954 4.963 4.972 4.981 4.990 5.000 5.009 5.018
1020 5.018 5.027 5.037 5.046 5.055 5.065 5.074 5.083 5.092 5.102 5.111
1030 5.111 5.120 5.130 5.139 5.148 5.158 5.167 5.176 5.186 5.195 5.205
1040 5.205 5.214 5.223 5.233 5.242 5.252 5.261 5.270 5.280 5.289 5.299

1050 5.299 5.308 5.318 5.327 5.337 5.346 5.356 5.365 5.375 5.384 5.394
1060 5.394 5.403 5.413 5.422 5.432 5.441 5.451 5.460 5.470 5.480 5.489
1070 5.489 5.499 5.508 5.518 5.528 5.537 5.547 5.556 5.566 5.576 5.585
1080 5.585 5.595 5.605 5.614 5.624 5.634 5.643 5.653 5.663 5.672 5.682
1090 5.682 5.692 5.702 5.711 5.721 5.731 5.740 5.750 5.760 5.770 5.780

1100 5.780 5.789 5.799 5.809 5.819 5.828 5.838 5.848 5.858 5.868 5.878
1110 5.878 5.887 5.897 5.907 5.917 5.927 5.937 5.947 5.956 5.966 5.976
1120 5.976 5.986 5.996 6.006 6.016 6.026 6.036 6.046 6.055 6.065 6.075
1130 6.075 6.085 6.095 6.105 6.115 6.125 6.135 6.145 6.155 6.165 6.175
1140 6.175 6.185 6.195 6.205 6.215 6.225 6.235 6.245 6.256 6.266 6.276

1150 6.276 6.286 6.296 6.306 6.316 6.326 6.336 6.346 6.356 6.367 6.377
1160 6.377 6.387 6.397 6.407 6.417 6.427 6.438 6.448 6.458 6.468 6.478
1170 6.478 6.488 6.499 6.509 6.519 6.529 6.539 6.550 6.560 6.570 6.580
1180 6.580 6.591 6.601 6.611 6.621 6.632 6.642 6.652 6.663 6.673 6.683
1190 6.683 6.693 6.704 6.714 6.724 6.735 6.745 6.755 6.766 6.776 6.786

1200 6.786 6.797 6.807 6.818 6.828 6.838 6.849 6.859 6.869 6.880 6.890
1210 6.890 6.901 6.911 6.922 6.932 6.942 6.953 6.963 6.974 6.984 6.995
1220 6.995 7.005 7.016 7.026 7.037 7.047 7.058 7.068 7.079 7.089 7.100
1230 7.100 7.110 7.121 7.131 7.142 7.152 7.163 7.173 7.184 7.194 7.205
1240 7.205 7.216 7.226 7.237 7.247 7.258 7.269 7.279 7.290 7.300 7.311

1250 7.311 7.322 7.332 7.343 7.353 7.364 7.375 7.385 7.396 7.407 7.417
1260 7.417 7.428 7.439 7.449 7.460 7.471 7.482 7.492 7.503 7.514 7.524
1270 7.524 7.535 7.546 7.557 7.567 7.578 7.589 7.600 7.610 7.621 7.632
1280 7.632 7.643 7.653 7.664 7.675 7.686 7.697 7.707 7.718 7.729 7.740
1290 7.740 7.751 7.761 7.772 7.783 7.794 7.805 7.816 7.827 7.837 7.848

1300 7.848 7.859 7.870 7.881 7.892 7.903 7.914 7.924 7.935 7.946 7.957
1310 7.957 7.968 7.979 7.990 8.0

01 8.012 8.023 8.034 8.045 8.056 8.066
1320 8.066 8.077 8.088 8.099 8.110 8.121 8.132 8.143 8.154 8.165 8.176
1330 8.176 8.187 8.198 8.209 8.220 8.231 8.242 8.253 8.264 8.275 8.286
1340 8.286 8.298 8.309 8.320 8.331 8.342 8.353 8.364 8.375 8.386 8.397

1350 8.397 8.408 8.419 8.430 8.441 8.453 8.464 8.475 8.486 8.497 8.508
1360 8.508 8.519 8.530 8.542 8.553 8.564 8.575 8.586 8.597 8.608 8.620
1370 8.620 8.631 8.642 8.653 8.664 8.675 8.687 8.698 8.709 8.720 8.731
1380 8.731 8.743 8.754 8.765 8.776 8.787 8.799 8.810 8.821 8.832 8.844
1390 8.844 8.855 8.866 8.877 8.889 8.900 8.911 8.922 8.934 8.945 8.956

1400 8.956 8.967 8.979 8.990 9.001 9.013 9.024 9.035 9.047 9.058 9.069
1410 9.069 9.080 9.092 9.103 9.114 9.126 9.137 9.148 9.160 9.171 9.182
1420 9.182 9.194 9.205 9.216 9.228 9.239 9.251 9.262 9.273 9.285 9.296
1430 9.296 9.307 9.319 9.330 9.342 9.353 9.364 9.376 9.387 9.398 9.410
1440 9.410 9.421 9.433 9.444 9.456 9.467 9.478 9.490 9.501 9.513 9.524

1450 9.524 9.536 9.547 9.558 9.570 9.581 9.593 9.604 9.616 9.627 9.639
1460 9.639 9.650 9.662 9.673 9.684 9.696 9.707 9.719 9.730 9.742 9.753
1470 9.753 9.765 9.776 9.788 9.799 9.811 9.822 9.834 9.845 9.857 9.868
1480 9.868 9.880 9.891 9.903 9.914 9.926 9.937 9.949 9.961 9.972 9.984
1490 9.984 9.995 10.007 10.018 10.030 10.041 10.053 10.064 10.076 10.088 10.099

°C 0 1 2 3 4 5 6 7 8 9 10

ITS-90 Table for type B thermocouple
°C 0 1 2 3 4 5 6 7 8 9 10
Thermoelectric Voltage in mV

1500 10.099 10.111 10.122 10.134 10.145 10.157 10.168 10.180 10.192 10.203 10.215
1510 10.215 10.226 10.238 10.249 10.261 10.273 10.284 10.296 10.307 10.319 10.331
1520 10.331 10.342 10.354 10.365 10.377 10.389 10.400 10.412 10.423 10.435 10.447
1530 10.447 10.458 10.470 10.482 10.493 10.505 10.516 10.528 10.540 10.551 10.563
1540 10.563 10.575 10.586 10.598 10.609 10.621 10.633 10.644 10.656 10.668 10.679

1550 10.679 10.691 10.703 10.714 10.726 10.738 10.749 10.761 10.773 10.784 10.796
1560 10.796 10.808 10.819 10.831 10.843 10.854 10.866 10.877 10.889 10.901 10.913
1570 10.913 10.924 10.936 10.948 10.959 10.971 10.983 10.994 11.006 11.018 11.029
1580 11.029 11.041 11.053 11.064 11.076 11.088 11.099 11.111 11.123 11.134 11.146
1590 11.146 11.158 11.169 11.181 11.193 11.205 11.216 11.228 11.240 11.251 11.263

1600 11.263 11.275 11.286 11.298 11.310 11.321 11.333 11.345 11.357 11.368 11.380
1610 11.380 11.392 11.403 11.415 11.427 11.438 11.450 11.462 11.474 11.485 11.497
1620 11.497 11.509 11.520 11.532 11.544 11.555 11.567 11.579 11.591 11.602 11.614
1630 11.614 11.626 1

1.637 11.649 11.661 11.673 11.684 11.696 11.708 11.719 11.731
1640 11.731 11.743 11.754 11.766 11.778 11.790 11.801 11.813 11.825 11.836 11.848

1650 11.848 11.860 11.871 11.883 11.895 11.907 11.918 11.930 11.942 11.953 11.965
1660 11.965 11.977 11.988 12.000 12.012 12.024 12.035 12.047 12.059 12.070 12.082
1670 12.082 12.094 12.105 12.117 12.129 12.141 12.152 12.164 12.176 12.187 12.199
1680 12.199 12.211 12.222 12.234 12.246 12.257 12.269 12.281 12.292 12.304 12.316
1690 12.316 12.327 12.339 12.351 12.363 12.374 12.386 12.398 12.409 12.421 12.433

1700 12.433 12.444 12.456 12.468 12.479 12.491 12.503 12.514 12.526 12.538 12.549
1710 12.549 12.561 12.572 12.584 12.596 12.607 12.619 12.631 12.642 12.654 12.666
1720 12.666 12.677 12.689 12.701 12.712 12.724 12.736 12.747 12.759 12.770 12.782
1730 12.782 12.794 12.805 12.817 12.829 12.840 12.852 12.863 12.875 12.887 12.898
1740 12.898 12.910 12.921 12.933 12.945 12.956 12.968 12.980 12.991 13.003 13.014

1750 13.014 13.026 13.037 13.049 13.061 13.072 13.084 13.095 13.107 13.119 13.130
1760 13.130 13.142 13.153 13.165 13.176 13.188 13.200 13.211 13.223 13.234 13.246
1770 13.246 13.257 13.269 13.280 13.292 13.304 13.315 13.327 13.338 13.350 13.361
1780 13.361 13.373 13.384 13.396 13.407 13.419 13.430 13.442 13.453 13.465 13.476
1790 13.476 13.488 13.499 13.511 13.522 13.534 13.545 13.557 13.568 13.580 13.591

1800 13.591 13.603 13.614 13.626 13.637 13.649 13.660 13.672 13.683 13.694 13.706
1810 13.706 13.717 13.729 13.740 13.752 13.763 13.775 13.786 13.797 13.809 13.820
1820 13.820

°C 0 1 2 3 4 5 6 7 8 9 10



************************************
* This section contains coefficients for type B thermocouples for
* the two subranges of temperature listed below. The coefficients
* are in units of °C and mV and are listed in the order of constant
* term up to the highest order. The equation is of the form
* E = sum(i=0 to n) c_i t^i.
*
* Temperature Range (°C)
* 0.000 to 630.615
* 630.615 to 1820.000
************************************
name: reference function on ITS-90
type: B
temperature units: °C
emf units: mV
range: 0.000, 630.615, 6
0.000000000000E+00
-0.246508183460E-03
0.590404211710E-05
-0.132579316360E-08
0.156682919010E-11
-0.169445292400E-14
0.629903470940E-18
range: 630.615, 1820.000, 8
-0.389381686210E+01
0.285717474700E-01
-0.848851047850E-04
0.157852801640E-06
-0.168353448640E-09
0.111097940130E-12
-0.445154310330E-16
0.989756408210E-20
-0.937913302890E-24


************************************
* This section contains coefficients of approximate inverse
* functions for type B thermocouples for the subranges of
* temperature and voltage listed below. The range of errors of
* the approximate inverse function for each subrange is also given.
* The coefficients a

re in units of °C and mV and are listed in
* the order of constant term up to the highest order.
* The equation is of the form t_90 = d_0 + d_1*E + d_2*E^2 + ...
* + d_n*E^n,
* where E is in mV and t_90 is in °C.
*
* Temperature Voltage Error
* range range range
* (°C) (mV) (° C)
* 250. to 700. 0.291 to 2.431 -0.02 to 0.03
* 700. to 1800. 2.431 to 13.820 -0.01 to 0.02
********************************************************
Inverse coefficients for type B:

Temperature 250. 700.
Range: 700. 1820.

Voltage 0.291 2.431
Range: 2.431 13.820

9.8423321E+01 2.1315071E+02
6.9971500E+02 2.8510504E+02
-8.4765304E+02 -5.2742887E+01
1.0052644E+03 9.9160804E+00
-8.3345952E+02 -1.2965303E+00
4.5508542E+02 1.1195870E-01
-1.5523037E+02 -6.0625199E-03
2.9886750E+01 1.8661696E-04
-2.4742860E+00 -2.4878585E-06

Error -0.02 -0.01
Range: 0.03 0.02