Table 1a.
Vapor pressure of He3 (1962 Scale) in microns (10−3 mm) of mercury at 0 °C and standard gravity, 980.665 cm/sec2
| T62, °K | 0.000 | 0.001 | 0.002 | 0.003 | 0.004 | 0.005 | 0.006 | 0.007 | 0.008 | 0.009 |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.200 | 0.0121 | 0.0130 | 0.0140 | 0.0150 | 0.0161 | 0.0173 | 0.0185 | 0.0199 | 0.0213 | 0.0228 |
| .210 | .0244 | .0260 | .0278 | .0297 | .0317 | .0338 | .0360 | .0384 | .0409 | .0435 |
| .220 | .0463 | .0492 | .0523 | .0555 | .0590 | .0626 | .0664 | .0703 | .0745 | .0789 |
| .230 | .0835 | .0884 | .0935 | .0988 | .1044 | .1103 | .1165 | .1229 | .1296 | .1367 |
| .240 | .1441 | .1518 | .1599 | .1683 | .1772 | .1864 | .1960 | .2060 | .2165 | .2274 |
| .250 | .2388 | .2506 | .2630 | .2759 | .2893 | .3032 | .3178 | .3329 | .3486 | .3649 |
| .260 | .3819 | .3995 | .4179 | .4369 | .4566 | .4771 | .4984 | .5205 | .5434 | .5671 |
| .270 | .5917 | .6172 | .6436 | .6710 | .6993 | .7286 | .7589 | .7903 | .8228 | .8564 |
| .280 | .8911 | .9270 | .9642 | 1.0025 | 1.0421 | 1.0830 | 1.1253 | 1.1689 | 1.2139 | 1.2603 |
| .290 | 1.3082 | 1.3576 | 1.4086 | 1.4612 | 1.5153 | 1.5712 | 1.6287 | 1.6880 | 1.7490 | 1.8119 |
| .300 | 1.877 | 1.943 | 2.012 | 2.082 | 2.155 | 2.230 | 2.307 | 2.386 | 2.467 | 2.550 |
| .310 | 2.636 | 2.724 | 2.815 | 2.908 | 3.004 | 3.102 | 3.203 | 3.306 | 3.413 | 3.522 |
| .320 | 3.633 | 3.748 | 3.866 | 3.987 | 4.111 | 4.237 | 4.368 | 4.501 | 4.638 | 4.778 |
| .330 | 4.921 | 5.069 | 5.219 | 5.373 | 5.531 | 5.693 | 5.859 | 6.028 | 6.202 | 6.379 |
| .340 | 6.561 | 6.747 | 6.937 | 7.131 | 7.330 | 7.533 | 7.741 | 7.954 | 8.171 | 8.393 |
| .350 | 8.619 | 8.851 | 9.088 | 9.330 | 9.577 | 9.829 | 10.087 | 10.350 | 10.619 | 10.893 |
| .360 | 11.173 | 11.459 | 11.750 | 12.048 | 12.351 | 12.661 | 12.977 | 13.299 | 13.628 | 13.963 |
| .370 | 14.304 | 14.653 | 15.008 | 15.370 | 15.739 | 16.115 | 16.498 | 16.889 | 17.287 | 17.692 |
| .380 | 18.105 | 18.525 | 18.954 | 19.390 | 19.834 | 20.286 | 20.747 | 21.216 | 21.693 | 22.179 |
| .390 | 22.673 | 23.176 | 23.688 | 24.209 | 24.739 | 25.278 | 25.826 | 26.384 | 26.952 | 27.529 |
| .400 | 28.115 | 28.712 | 29.319 | 29.935 | 30.562 | 31.200 | 31.847 | 32.506 | 33.175 | 33.855 |
| .410 | 34.546 | 35.248 | 35.961 | 36.686 | 37.422 | 38.169 | 38.929 | 39.700 | 40.483 | 41.278 |
| .420 | 42.086 | 42.906 | 43.738 | 44.583 | 45.441 | 46.312 | 47.196 | 48.093 | 49.003 | 49.927 |
| .430 | 50.864 | 51.815 | 52.780 | 53.759 | 54.753 | 55.760 | 56.782 | 57.818 | 58.870 | 59.936 |
| .440 | 61.017 | 62.113 | 63.225 | 64.352 | 65.494 | 66.653 | 67.827 | 69.017 | 70.224 | 71.447 |
| .450 | 72.686 | 73.942 | 75.215 | 76.505 | 77.812 | 79.136 | 80.478 | 81.837 | 83.214 | 84.609 |
| .460 | 86.022 | 87.453 | 88.902 | 90.370 | 91.857 | 93.362 | 94.887 | 96.431 | 97.994 | 99.576 |
| .470 | 101.179 | 102.801 | 104.443 | 106.105 | 107.787 | 109.490 | 111.214 | 112.959 | 114.724 | 116.511 |
| .480 | 118.319 | 120.148 | 121.999 | 123.872 | 125.768 | 127.685 | 129.624 | 131.586 | 133.571 | 135.579 |
| .490 | 137.610 | 139.664 | 141.741 | 143.842 | 145.967 | 148.115 | 150.288 | 152.485 | 154.707 | 156.953 |
| .500 | 159.224 | 161.520 | 163.841 | 166.188 | 168.560 | 170.958 | 173.381 | 175.831 | 178.308 | 180.810 |
| .510 | 183.339 | 185.896 | 188.479 | 191.089 | 193.727 | 196.392 | 199.085 | 201.806 | 204.556 | 207.333 |
| .520 | 210.139 | 212.974 | 215.838 | 218.731 | 221.653 | 224.604 | 227.586 | 230.597 | 233.638 | 236.709 |
| .530 | 239.811 | 242.943 | 246.107 | 249.301 | 252.526 | 255.783 | 259.072 | 262.392 | 265.745 | 269.129 |
| .540 | 272.546 | 275.995 | 279.478 | 282.993 | 286.541 | 290.123 | 293.739 | 297.388 | 301.071 | 304.788 |
| .550 | 308.540 | 312.326 | 316.147 | 320.003 | 323.895 | 327.821 | 331.784 | 335.782 | 339.816 | 343.886 |
| .560 | 347.992 | 352.136 | 356.316 | 360.533 | 364.787 | 369.079 | 373.408 | 377.775 | 382.181 | 386.624 |
| .570 | 391.106 | 395.627 | 400.187 | 404.785 | 409.423 | 414.100 | 418.818 | 423.575 | 428.372 | 433.209 |
| .580 | 438.087 | 443.006 | 447.966 | 452.967 | 458.009 | 463.093 | 468.219 | 473.387 | 478.597 | 483.850 |
| .590 | 489.145 | 494.483 | 499.864 | 505.288 | 510.756 | 516.268 | 521.824 | 527.423 | 533.068 | 538.756 |
| .600 | 544.490 | 550.268 | 556.092 | 561.961 | 567.876 | 573.837 | 579.844 | 585.897 | 591.997 | 598.143 |
| .610 | 604.337 | 610.577 | 616.865 | 623.201 | 629.584 | 636.016 | 642.496 | 649.024 | 655.601 | 662.227 |
| .620 | 668.902 | 675.626 | 682.400 | 689.224 | 696.097 | 703.021 | 709.996 | 717.021 | 724.097 | 731.224 |
| .630 | 738.402 | 745.633 | 752.914 | 760.248 | 767.634 | 775.073 | 782.564 | 790.108 | 797.705 | 805.355 |
| .640 | 813.059 | 820.817 | 828.629 | 836.495 | 844.416 | 852.391 | 860.421 | 868.506 | 876.646 | 884.842 |
| .650 | 893.094 | 901.402 | 909.766 | 918.186 | 926.663 | 935.197 | 943.789 | 952.437 | 961.143 | 969.907 |
| .660 | 978.729 | 987.609 | 996.548 | 1005.545 | 1014.601 | 1023.717 | 1032.891 | 1042.126 | 1051.420 | 1060.774 |
| .670 | 1070.189 | 1079.664 | 1089.199 | 1098.796 | 11G8.454 | 1118.173 | 1127.954 | 1137.796 | 1147.701 | 1157.668 |
| .680 | 1167.698 | 1177.790 | 1187.946 | 1198.164 | 1208.446 | 1218.792 | 1229.202 | 1239.675 | 1250.213 | 1260.816 |
| .690 | 1271.483 | 1282.216 | 1293.013 | 1303.877 | 1314.805 | 1325.800 | 1336.861 | 1347.989 | 1359.183 | 1370.443 |
| .700 | 1381.771 | 1393.167 | 1404.629 | 1416.160 | 1427.758 | 1439.425 | 1451.160 | 1462.964 | 1474.836 | 1486.778 |
| .710 | 1498.789 | 1510.870 | 1523.021 | 1535.241 | 1547.532 | 1559.894 | 1572.326 | 1584.829 | 1597.403 | 1610.048 |
| .720 | 1622.766 | 1635.555 | 1648.416 | 1661.350 | 1674.356 | 1687.434 | 1700.586 | 1713.811 | 1727.110 | 1740.482 |
| .730 | 1753.928 | 1767.449 | 1781.043 | 1794.713 | 1808.457 | 1822.276 | 1836.171 | 1850.141 | 1864.186 | 1878.308 |
| .740 | 1892.506 | 1906.780 | 1921.132 | 1935.559 | 1950.065 | 1964.647 | 1979.307 | 1994.045 | 2008.861 | 2023.755 |
| .750 | 2038.728 | 2053.779 | 2068.909 | 2084.119 | 2099.408 | 2114.776 | 2130.225 | 2145.753 | 2161.362 | 2177.051 |
| .760 | 2192.821 | 2208.673 | 2224.605 | 2240.619 | 2256.715 | 2272.892 | 2289.152 | 2305.494 | 2321.919 | 2338.426 |
| .770 | 2355.017 | 2371.691 | 2388.448 | 2405.289 | 2422.215 | 2439.224 | 2456.318 | 2473.496 | 2490.760 | 2508.108 |
| .780 | 2525.542 | 2543.061 | 2560.667 | 2578.358 | 2596.136 | 2614.000 | 2631.951 | 2649.988 | 2668.113 | 2686.326 |
| .790 | 2704.626 | 2723.014 | 2741.490 | 2760.054 | 2778.707 | 2797.448 | 2816.279 | 2835.199 | 2854.208 | 2873.307 |
| .800 | 2892.496 | 2911.775 | 2931.145 | 2950.605 | 2970.156 | 2989.798 | 3009.531 | 3029.356 | 3049.272 | 3069.280 |
| .810 | 3089.381 | 3109.574 | 3129.860 | 3150.239 | 3170.710 | 3191.275 | 3211.934 | 3232.686 | 3253.533 | 3274.74 |
| .820 | 3295.508 | 3316.638 | 3337.863 | 3359.183 | 3380.598 | 3402.109 | 3423.716 | 3445.419 | 3467.217 | 3489.113 |
| .830 | 3511.105 | 3533.194 | 3555.381 | 3577.665 | 3600.046 | 3622.525 | 3645.103 | 3667.779 | 3690.553 | 3713.426 |
| .840 | 3736.398 | 3759.469 | 3782.640 | 3805.910 | 3829.281 | 3852.751 | 3876.322 | 3899.993 | 3923.765 | 3947.639 |
| .850 | 3971.613 | 3995.689 | 4019.866 | 4044.146 | 4068.528 | 4093.012 | 4117.598 | 4142.288 | 4167.080 | 4191.976 |
| .860 | 4216.976 | 4242.079 | 4267.286 | 4292.597 | 4318.012 | 4343.533 | 4369.158 | 4394.888 | 4420.723 | 4446.664 |
| .870 | 4472.711 | 4498.864 | 4525.123 | 4551.488 | 4577.960 | 4604.539 | 4631.225 | 4658.018 | 4684.919 | 4711.928 |
| .880 | 4739.044 | 4766.269 | 4793.602 | 4821.044 | 4848.595 | 4876.255 | 4904.024 | 4931.903 | 4959.891 | 4987.990 |
| .890 | 5016.198 | 5044.517 | 5072.947 | 5101.488 | 5130.140 | 5158.903 | 5187.778 | 5216.764 | 5245.863 | 5275.073 |
| .900 | 5304.397 | 5333.832 | 5363.381 | 5393.043 | 5422.818 | 5452.707 | 5482.709 | 5512.826 | 5543.057 | 5573.402 |
| .910 | 5603.862 | 5634.436 | 5665.126 | 5695.931 | 5726.852 | 5757.889 | 5789.041 | 5820.310 | 5851.695 | 5883.196 |
| .920 | 5914.815 | 5946.551 | 5978.404 | 6010.374 | 6042.463 | 6074.669 | 6106.994 | 6139.436 | 6171.998 | 6204.679 |
| .930 | 6237.478 | 6270.397 | 6303.435 | 6336.593 | 6369.871 | 6403.269 | 6436.788 | 6470.427 | 6504.187 | 6538.068 |
| .940 | 6572.071 | 6606.195 | 6640.440 | 6674.808 | 6709.297 | 6743.909 | 6778.644 | 6813.502 | 6848.482 | 6883.586 |
| .950 | 6918.813 | 6954.164 | 6989.639 | 7025.238 | 7060.961 | 7096.809 | 7132.781 | 7168.879 | 7205.101 | 7241.450 |
| .960 | 7277.923 | 7314.523 | 7351.249 | 7388.101 | 7425.079 | 7462.185 | 7499.417 | 7536.776 | 7574.263 | 7611.878 |
| .970 | 7649.620 | 7687.490 | 7725.489 | 7763.616 | 7801.872 | 7840.256 | 7878.770 | 7917.413 | 7956.186 | 7995.088 |
| .980 | 8034.121 | 8073.283 | 8112.576 | 8152.000 | 8191.554 | 8231.240 | 8271.057 | 8311.005 | 8351.085 | 8391.297 |
| .990 | 8431.641 | 8472.118 | 8512.727 | 8553.469 | 8594.343 | 8635.352 | 8676.493 | 8717.768 | 8759.177 | 8800.720 |