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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
1000 18.200 18.221 18.243 18.264 18.286 18.307 18.328 18.350 18.371 18.393 18.414 1000
1010 18.414 18.436 18.457 18.479 18.500 18.522 18.543 18.565 18.586 18.608 18.629 1010
1020 18.629 18.650 18.672 18.693 18.715 18.736 18.758 18.779 18.801 18.822 18.844 1020
1030 18.844 18.865 18.887 18.908 18.930 18.951 18.973 18.994 19.016 19.037 19.059 1030
1040 19.059 19.081 19.102 19.124 19.145 19.167 19.188 19.210 19.231 19.253 19.274 1040
1050 19.274 19.296 19.317 19.339 19.360 19.382 19.404 19.425 19.447 19.468 19.490 1050
1060 19.490 19.511 19.533 19.554 19.576 19.598 19.619 19.641 19.662 19.684 19.705 1060
1070 19.705 19.727 19.749 19.770 19.792 19.813 19.835 19.857 19.878 19.900 19.921 1070
1080 19.921 19.943 19.964 19.986 20.008 20.029 20.051 20.072 20.094 20.116 20.137 1080
1090 20.137 20.159 20.181 20.202 20.224 20.245 20.267 20.289 20.310 20.332 20.353 1090
1100 20.353 20.375 20.397 20.418 20.440 20.462 20.483 20.505 20.527 20.548 20.570 1100
1110 20.570 20.591 20.613 20.635 20.656 20.678 20.700 20.721 20.743 20.765 20.786 1110
1120 20.786 20.808 20.830 20.851 20.873 20.895 20.916 20.938 20.960 20.981 21.003 1120
1130 21.003 21.025 21.046 21.068 21.090 21.111 21.133 21.155 21.176 21.198 21.220 1130
1140 21.220 21.241 21.263 21.285 21.306 21.328 21.350 21.371 21.393 21.415 21.437 1140
1150 21.437 21.458 21.480 21.502 21.523 21.545 21.567 21.588 21.610 21.632 21.654 1150
1160 21.654 21.675 21.697 21.719 21.740 21.762 21.784 21.806 21.827 21.849 21.871 1160
1170 21.871 21.892 21.914 21.936 21.958 21.979 22.001 22.023 22.044 22.066 22.088 1170
1180 22.088 22.110 22.131 22.153 22.175 22.197 22.218 22.240 22.262 22.284 22.305 1180
1190 22.305 22.327 22.349 22.370 22.392 22.414 22.436 22.457 22.479 22.501 22.523 1190
1200 22.523 22.544 22.566 22.588 22.610 22.631 22.653 22.675 22.697 22.718 22.740 1200
1210 22.740 22.762 22.784 22.805 22.827 22.849 22.871 22.893 22.914 22.936 22.958 1210
1220 22.958 22.980 23.001 23.023 23.045 23.067 23.088 23.110 23.132 23.154 23.176 1220
1230 23.176 23.197 23.219 23.241 23.263 23.284 23.306 23.328 23.350 23.372 23.393 1230
1240 23.393 23.415 23.437 23.459 23.480 23.502 23.524 23.546 23.568 23.589 23.611 1240
1250 23.611 23.633 23.655 23.676 23.698 23.720 23.742 23.764 23.785 23.807 23.829 1250
1260 23.829 23.851 23.873 23.894 23.916 23.938 23.960 23.982 24.003 24.025 24.047 1260
1270 24.047 24.069 24.091 24.112 24.134 24.156 24.178 24.200 24.221 24.243 24.265 1270
1280 24.265 24.287 24.309 24.330 24.352 24.374 24.396 24.418 24.439 24.461 24.483 1280
1290 24.483 24.505 24.527 24.548 24.570 24.592 24.614 24.636 24.658 24.679 24.701 1290
1300 24.701 24.723 24.745 24.767 24.788 24.810 24.832 24.854 24.876 24.897 24.919 1300
1310 24.919 24.941 24.963 24.985 25.007 25.028 25.050 25.072 25.094 25.116 25.137 1310
1320 25.137 25.159 25.181 25.203 25.225 25.247 25.268 25.290 25.312 25.334 25.356 1320
1330 25.356 25.377 25.399 25.421 25.443 25.465 25.487 25.508 25.530 25.552 25.574 1330
1340 25.574 25.596 25.618 25.639 25.661 25.683 25.705 25.727 25.748 25.770 25.792 1340
1350 25.792 25.814 25.836 25.858 25.879 25.901 25.923 25.945 25.967 25.989 26.010 1350
1360 26.010 26.032 26.054 26.076 26.098 26.119 26.141 26.163 26.185 26.207 26.229 1360
1370 26.229 26.250 26.272 26.294 26.316 26.338 26.360 26.381 26.403 26.425 26.447 1370
1380 26.447 26.469 26.491 26.512 26.534 26.556 26.578 26.600 26.622 26.643 26.665 1380
1390 26.665 26.687 26.709 26.731 26.752 26.774 26.796 26.818 26.840 26.862 26.883 1390
1400 26.883 26.905 26.927 26.949 26.971 26.993 27.014 27.036 27.058 27.080 27.102 1400
1410 27.102 27.124 27.145 27.167 27.189 27.211 27.233 27.254 27.276 27.298 27.320 1410
1420 27.320 27.342 27.364 27.385 27.407 27.429 27.451 27.473 27.495 27.516 27.538 1420
1430 27.538 27.560 27.582 27.604 27.625 27.647 27.669 27.691 27.713 27.735 27.756 1430
1440 27.756 27.778 27.800 27.822 27.844 27.866 27.887 27.909 27.931 27.953 27.975 1440
1450 27.975 27.996 28.018 28.040 28.062 28.084 28.106 28.127 28.149 28.171 28.193 1450
1460 28.193 28.215 28.236 28.258 28.280 28.302 28.324 28.345 28.367 28.389 28.411 1460
1470 28.411 28.433 28.455 28.476 28.498 28.520 28.542 28.564 28.585 28.607 28.629 1470
1480 28.629 28.651 28.673 28.694 28.716 28.738 28.760 28.782 28.803 28.825 28.847 1480
1490 28.847 28.869 28.891 28.912 28.934 28.956 28.978 29.000 29.021 29.043 29.065 1490
1500 29.065 29.087 29.109 29.130 29.152 29.174 29.196 29.218 29.239 29.261 29.283 1500
1510 29.283 29.305 29.327 29.348 29.370 29.392 29.414 29.436 29.457 29.479 29.501 1510
1520 29.501 29.523 29.545 29.566 29.588 29.610 29.632 29.654 29.675 29.697 29.719 1520
1530 29.719 29.741 29.762 29.784 29.806 29.828 29.850 29.871 29.893 29.915 29.937 1530
1540 29.937 29.958 29.980 30.002 30.024 30.046 30.067 30.089 30.111 30.133 30.154 1540
1550 30.154 30.176 30.198 30.220 30.242 30.263 30.285 30.307 30.329 30.350 30.372 1550
1560 30.372 30.394 30.416 30.437 30.459 30.481 30.503 30.524 30.546 30.568 30.590 1560
1570 30.590 30.612 30.633 30.655 30.677 30.699 30.720 30.742 30.764 30.786 30.807 1570
1580 30.807 30.829 30.851 30.873 30.894 30.916 30.938 30.960 30.981 31.003 31.025 1580
1590 31.025 31.047 31.068 31.090 31.112 31.133 31.155 31.177 31.199 31.220 31.242 1590
1600 31.242 31.264 31.286 31.307 31.329 31.351 31.373 31.394 31.416 31.438 31.459 1600
1610 31.459 31.481 31.503 31.525 31.546 31.568 31.590 31.612 31.633 31.655 31.677 1610
1620 31.677 31.698 31.720 31.742 31.764 31.785 31.807 31.829 31.850 31.872 31.894 1620
1630 31.894 31.916 31.937 31.959 31.981 32.002 32.024 32.046 32.068 32.089 32.111 1630
1640 32.111 32.133 32.154 32.176 32.198 32.219 32.241 32.263 32.284 32.306 32.328 1640
1650 32.328 32.350 32.371 32.393 32.415 32.436 32.458 32.480 32.501 32.523 32.545 1650
1660 32.545 32.566 32.588 32.610 32.631 32.653 32.675 32.696 32.718 32.740 32.761 1660
1670 32.761 32.783 32.805 32.827 32.848 32.870 32.891 32.913 32.935 32.956 32.978 1670
1680 32.978 33.000 33.021 33.043 33.065 33.086 33.108 33.130 33.151 33.173 33.195 1680
1690 33.195 33.216 33.238 33.260 33.281 33.303 33.325 33.346 33.368 33.389 33.411 1690
░F 0 1 2 3 4 5 6 7 8 9 10 ░F

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