铜-康铜热电偶以其灵敏度高、稳定可靠、抗震抗摔、互换性好、价格低廉、适用于远距离测温和自动控制等优势,在农业和制冷工程中发挥着重要作用。通过选择铜-康铜热电偶的制作方法和标定方式,进行多项式回归分析,表明热镀锡焊测头非标准分度的铜-康铜热电偶在-35～100℃范围内的线性及一致性都较好,适于实验室、农业和制冷工程测温应用。 热电偶电路示意图：
热电偶电路示意图
铜—康铜热电偶分度表:
温度℃0123456789热 电 动 势 mV-40 -30 -20 -10 0- 0+ 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240-1.475 -1.121 -0.757 -0.383 -0.000 0.000 0.391 0.789 1.196 1.611 2.035 2.467 2.908 3.357 3.813 4.277 4.749 5.227 5.712 6.204 6.702 7.207 7.718 8.235 8.757 9.286 9.820 10.360 10.905 11.450-1.510 -1.157 -0.794 -0.421 -0.039 0.039 0.430 0.830 1.237 1.653 2.078 2.511 2.953 3.402 3.859 4.324 4.796 5.275 5.761 6.254 6.753 7.258 7.769 8.287 8.810 9.339 9.874 10.414 10.960 11.511-1.544 -1.192 -0.830 -0.458 -0.077 0.078 0.470 0.870 1.279 1.695 2.121 2.555 2.997 3.447 3.906 4.371 4.844 5.324 5.810 6.303 6.803 7.309 7.821 8.339 8.863 9.392 9.928 10.469 11.015 11.566-1.579 -1.228 -0.867 -0.495 -0.116 0.117 0.510 0.911 1.320 1.738 2.164 2.599 3.042 3.493 3.952 4.418 4.891 5.372 5.859 6.353 6.853 7.360 7.872 8.391 8.915 9.446 9.982 10.523 11.070 11.622-1.614 -1.263 -0.903 -0.534 -0.154 0.156 0.549 0.951 1.361 1.780 2.207 2.643 3.087 3.538 3.998 4.465 4.939 5.420 5.908 6.403 6.903 7.411 7.924 8.443 8.968 9.499 10.036 10.578 11.128 11.677-1.648 -1.299 -0.904 -0.571 -0.193 0.195 0.589 0.992 1.403 1.822 2.250 2.687 3.131 3.584 4.044 4.512 4.987 5.469 5.957 6.452 6.954 7.462 7.975 8.495 9.021 9.553 10.090 10.632 11.180 11.733-1.682 -1.334 -0.976 -0.602 -0.231 0.234 0.629 1.032 1.444 1.865 2.294 2.731 3.176 3.630 4.091 4.559 5.035 5.517 6.007 6.502 7.004 7.513 8.027 8.548 9.074 9.606 10.144 10.687 11.235 11.788-1.717 -1.370 -1.013 -0.646 -0.269 0.273 0.669 1.073 1.486 1.907 2.337 2.775 3.221 3.676 4.137 4.607 5.083 5.566 6.056 6.552 7.055 7.564 8.079 8.600 9.127 9.659 10.198 10.741 11.290 11.844-1.751 -1.405 -1.049 -0.683 -0.307 0.312 0.709 1.114 1.528 1.950 2.380 2.819 3.266 3.721 4.184 4.654 5.131 5.615 6.105 6.602 7.106 7.615 8.131 8.652 9.180 9.713 10.252 10.796 11.345 11.900-1.785 -1.440 -1.085 -0.720 -0.345 0.351 0.749 1.155 1.569 1.992 2.424 2.864 3.312 3.767 4..231 4.701 5.179 5.663 6.155 6.652 7.150 7.660 8.183 8.705 9.233 9.767 10.306 10.851 11.401 11.956
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