Ничего не понял.
Это градуировка термопары ХА.
Например, при \(22^\circ \) и свободных концах в нуле, будет ЭДС \(0.879~mV\).
Таблицы НСХ для термопар типа ТХА (хромель-алюмель) (тип К)
°C 0 -1 -
2 -3 -4 -5 -6 -7 -8 -9 -10
ТЭДС, мВ
-40 -1.527 -1.564 -1.600 -1.637 -1.673 -1.709 -1.745 -1.782 -1.818 -1.854 -1.889
-30 -1.156 -1.194 -1.231 -1.268 -1.305 -1.343 -1.380 -1.417 -1.453 -1.490 -1.527
-20 -0.778 -0.816 -0.854 -0.892 -0.930 -0.968 -1.006 -1.043 -1.081 -1.119 -1.156
-10 -0.392 -0.431 -0.470 -0.508 -0.547 -0.586 -0.624 -0.663 -0.701 -0.739 -0.778
0 0.000 -0.039 -0.079 -0.118 -0.157 -0.197 -0.236 -0.275 -0.314 -0.353 -0.392
0 0.000 0.039 0.079 0.119 0.158 0.198 0.238 0.277 0.317 0.357 0.397
10 0.397 0.437 0.477 0.517 0.557 0.597 0.637 0.677 0.718 0.758 0.798
20 0.798 0.838
0.879 0.919 0.960 1.000 1.041 1.081 1.122 1.163 1.203
30 1.203 1.244 1.285 1.326 1.366 1.407 1.448 1.489 1.530 1.571 1.612
40 1.612 1.653 1.694 1.735 1.776 1.817 1.858 1.899 1.941 1.982 2.023
50 2.023 2.064 2.106 2.147 2.188 2.230 2.271 2.312 2.354 2.395 2.436
60 2.436 2.478 2.519 2.561 2.602 2.644 2.685 2.727 2.768 2.810 2.851
70 2.851 2.893 2.934 2.976 3.017 3.059 3.100 3.142 3.184 3.225 3.267
80 3.267 3.308 3.350 3.391 3.433 3.474 3.516 3.557 3.599 3.640 3.682
90 3.682 3.723 3.765 3.806 3.848 3.889 3.931 3.972 4.013 4.055 4.096
100 4.096 4.138 4.179 4.220 4.262 4.303 4.344 4.385 4.427 4.468 4.509