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Thermocouple Reference Tables - Type N  -260 to 490°F

Revised Thermocouple Reference Tables

TYPE N


NONE ESTABLISHED
Thermocouple Grade

Nickel - 14.2%
Chromium - 1.4% Silicon
vs.
Nickel - 4.4% Silicon -
0.1% Magnesium

Extension Grade


MAXIMUM TEMPERATURE RANGE
Thermocouple Grade
- 450 to 2372°F
- 270 to 1300°C
Extension Grade
32 to 392°F
0 to 200°C

LIMITS OF
ERROR
(whichever is Greater)
Standard: 2.2°C or 0.75% Above 0°C
2.2°C or 2.0% Below 0°C
Special: 1.1°C or 0.4%

COMMENTS, BARE WIRE ENVIRONMENT:
Alternative to Type K; More Stable at High Temps

TEMPERATURE
IN DEGREES  °F

REFERENCE JUNCTION
AT 32°F

░F 0 1 2 3 4 5 6 7 8 9 10 ░F
Thermoelectric Voltage in mV
1700 33.411 33.433 33.454 33.476 33.498 33.519 33.541 33.563 33.584 33.606 33.627 1700
1710 33.627 33.649 33.671 33.692 33.714 33.736 33.757 33.779 33.800 33.822 33.844 1710
1720 33.844 33.865 33.887 33.908 33.930 33.952 33.973 33.995 34.016 34.038 34.060 1720
1730 34.060 34.081 34.103 34.124 34.146 34.168 34.189 34.211 34.232 34.254 34.276 1730
1740 34.276 34.297 34.319 34.340 34.362 34.384 34.405 34.427 34.448 34.470 34.491 1740
1750 34.491 34.513 34.535 34.556 34.578 34.599 34.621 34.642 34.664 34.686 34.707 1750
1760 34.707 34.729 34.750 34.772 34.793 34.815 34.836 34.858 34.880 34.901 34.923 1760
1770 34.923 34.944 34.966 34.987 35.009 35.030 35.052 35.073 35.095 35.116 35.138 1770
1780 35.138 35.160 35.181 35.203 35.224 35.246 35.267 35.289 35.310 35.332 35.353 1780
1790 35.353 35.375 35.396 35.418 35.439 35.461 35.482 35.504 35.525 35.547 35.568 1790
1800 35.568 35.590 35.611 35.633 35.654 35.676 35.697 35.719 35.740 35.762 35.783 1800
1810 35.783 35.805 35.826 35.848 35.869 35.891 35.912 35.934 35.955 35.977 35.998 1810
1820 35.998 36.019 36.041 36.062 36.084 36.105 36.127 36.148 36.170 36.191 36.213 1820
1830 36.213 36.234 36.256 36.277 36.298 36.320 36.341 36.363 36.384 36.406 36.427 1830
1840 36.427 36.449 36.470 36.491 36.513 36.534 36.556 36.577 36.599 36.620 36.641 1840
1850 36.641 36.663 36.684 36.706 36.727 36.748 36.770 36.791 36.813 36.834 36.855 1850
1860 36.855 36.877 36.898 36.920 36.941 36.962 36.984 37.005 37.027 37.048 37.069 1860
1870 37.069 37.091 37.112 37.134 37.155 37.176 37.198 37.219 37.240 37.262 37.283 1870
1880 37.283 37.305 37.326 37.347 37.369 37.390 37.411 37.433 37.454 37.475 37.497 1880
1890 37.497 37.518 37.539 37.561 37.582 37.603 37.625 37.646 37.668 37.689 37.710 1890
1900 37.710 37.731 37.753 37.774 37.795 37.817 37.838 37.859 37.881 37.902 37.923 1900
1910 37.923 37.945 37.966 37.987 38.009 38.030 38.051 38.073 38.094 38.115 38.136 1910
1920 38.136 38.158 38.179 38.200 38.222 38.243 38.264 38.285 38.307 38.328 38.349 1920
1930 38.349 38.370 38.392 38.413 38.434 38.456 38.477 38.498 38.519 38.541 38.562 1930
1940 38.562 38.583 38.604 38.626 38.647 38.668 38.689 38.711 38.732 38.753 38.774 1940
1950 38.774 38.795 38.817 38.838 38.859 38.880 38.902 38.923 38.944 38.965 38.986 1950
1960 38.986 39.008 39.029 39.050 39.071 39.093 39.114 39.135 39.156 39.177 39.198 1960
1970 39.198 39.220 39.241 39.262 39.283 39.304 39.326 39.347 39.368 39.389 39.410 1970
1980 39.410 39.431 39.453 39.474 39.495 39.516 39.537 39.558 39.580 39.601 39.622 1980
1990 39.622 39.643 39.664 39.685 39.706 39.728 39.749 39.770 39.791 39.812 39.833 1990
2000 39.833 39.854 39.875 39.897 39.918 39.939 39.960 39.981 40.002 40.023 40.044 2000
2010 40.044 40.066 40.087 40.108 40.129 40.150 40.171 40.192 40.213 40.234 40.255 2010
2020 40.255 40.276 40.298 40.319 40.340 40.361 40.382 40.403 40.424 40.445 40.466 2020
2030 40.466 40.487 40.508 40.529 40.550 40.571 40.592 40.613 40.634 40.656 40.677 2030
2040 40.677 40.698 40.719 40.740 40.761 40.782 40.803 40.824 40.845 40.866 40.887 2040
2050 40.887 40.908 40.929 40.950 40.971 40.992 41.013 41.034 41.055 41.076 41.097 2050
2060 41.097 41.118 41.139 41.160 41.181 41.202 41.223 41.244 41.265 41.286 41.307 2060
2070 41.307 41.328 41.349 41.370 41.390 41.411 41.432 41.453 41.474 41.495 41.516 2070
2080 41.516 41.537 41.558 41.579 41.600 41.621 41.642 41.663 41.684 41.705 41.726 2080
2090 41.726 41.746 41.767 41.788 41.809 41.830 41.851 41.872 41.893 41.914 41.935 2090
2100 41.935 41.955 41.976 41.997 42.018 42.039 42.060 42.081 42.102 42.123 42.143 2100
2110 42.143 42.164 42.185 42.206 42.227 42.248 42.269 42.289 42.310 42.331 42.352 2110
2120 42.352 42.373 42.394 42.415 42.435 42.456 42.477 42.498 42.519 42.540 42.560 2120
2130 42.560 42.581 42.602 42.623 42.644 42.664 42.685 42.706 42.727 42.748 42.768 2130
2140 42.768 42.789 42.810 42.831 42.852 42.872 42.893 42.914 42.935 42.956 42.976 2140
2150 42.976 42.997 43.018 43.039 43.059 43.080 43.101 43.122 43.142 43.163 43.184 2150
2160 43.184 43.205 43.225 43.246 43.267 43.288 43.308 43.329 43.350 43.370 43.391 2160
2170 43.391 43.412 43.433 43.453 43.474 43.495 43.515 43.536 43.557 43.578 43.598 2170
2180 43.598 43.619 43.640 43.660 43.681 43.702 43.722 43.743 43.764 43.784 43.805 2180
2190 43.805 43.826 43.846 43.867 43.888 43.908 43.929 43.950 43.970 43.991 44.012 2190
2200 44.012 44.032 44.053 44.073 44.094 44.115 44.135 44.156 44.177 44.197 44.218 2200
2210 44.218 44.238 44.259 44.280 44.300 44.321 44.341 44.362 44.383 44.403 44.424 2210
2220 44.424 44.444 44.465 44.485 44.506 44.527 44.547 44.568 44.588 44.609 44.629 2220
2230 44.629 44.650 44.671 44.691 44.712 44.732 44.753 44.773 44.794 44.814 44.835 2230
2240 44.835 44.855 44.876 44.896 44.917 44.937 44.958 44.978 44.999 45.019 45.040 2240
2250 45.040 45.060 45.081 45.101 45.122 45.142 45.163 45.183 45.204 45.224 45.245 2250
2260 45.245 45.265 45.286 45.306 45.326 45.347 45.367 45.388 45.408 45.429 45.449 2260
2270 45.449 45.469 45.490 45.510 45.531 45.551 45.572 45.592 45.612 45.633 45.653 2270
2280 45.653 45.674 45.694 45.714 45.735 45.755 45.775 45.796 45.816 45.837 45.857 2280
2290 45.857 45.877 45.898 45.918 45.938 45.959 45.979 45.999 46.020 46.040 46.060 2290
2300 46.060 46.081 46.101 46.121 46.142 46.162 46.182 46.202 46.223 46.243 46.263 2300
2310 46.263 46.284 46.304 46.324 46.344 46.365 46.385 46.405 46.425 46.446 46.466 2310
2320 46.466 46.486 46.506 46.527 46.547 46.567 46.587 46.608 46.628 46.648 46.668 2320
2330 46.668 46.688 46.709 46.729 46.749 46.769 46.789 46.810 46.830 46.850 46.870 2330
2340 46.870 46.890 46.910 46.931 46.951 46.971 46.991 47.011 47.031 47.051 47.071 2340
2350 47.071 47.092 47.112 47.132 47.152 47.172 47.192 47.212 47.232 47.252 47.272 2350
2360 47.272 47.292 47.312 47.333 47.353 47.373 47.393 47.413 47.433 47.453 47.473 2360
2370 47.473 47.493 47.513 2370
░F 0 1 2 3 4 5 6 7 8 9 10 ░F

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