RT表即為平常所說的NTC熱敏電阻溫度傳感器RT關(guān)系表，主要反映NTC在不同溫度所對(duì)應(yīng)的不同電阻值，其正確的參數(shù)在軟件開發(fā)中有非常重要的作用。標(biāo)準(zhǔn)的RT表一般包括幾個(gè)主要參數(shù)：①標(biāo)稱阻值;②B值;③±范圍內(nèi)允許的公差阻值
本表為5K±1% B值＝3470K NTC R/T阻值表，標(biāo)稱阻值在25℃時(shí)為5kΩ，B值為3470k，允許偏差精度為±1%，詳細(xì)參數(shù)見下表。
…………
標(biāo)稱阻值：5k kΩ @25℃；公差精度： + / -1%
B值 ：3470K@25/50℃；B值精度：+ / - 1%
| Temp. | Rmax | Rnor | Rmin |
| (deg. C) | (k Ohms) | (k Ohms) | (k Ohms) |
| -20 | 37.7588 | 36.6476 | 35.5656 |
| -19 | 35.871 | 34.8331 | 33.8218 |
| -18 | 34.0895 | 33.1199 | 32.1745 |
| -17 | 32.4076 | 31.5016 | 30.6178 |
| -16 | 30.8191 | 29.9724 | 29.146 |
| -15 | 29.3184 | 28.527 | 27.7542 |
| -14 | 27.9 | 27.1602 | 26.4374 |
| -13 | 26.5589 | 25.8672 | 25.1911 |
| -12 | 25.2904 | 24.6438 | 24.0113 |
| -11 | 24.0903 | 23.4857 | 22.8939 |
| -10 | 22.9545 | 22.389 | 21.8353 |
| -9 | 21.879 | 21.3502 | 20.8321 |
| -8 | 20.8605 | 20.3659 | 19.881 |
| -7 | 19.8954 | 19.4328 | 18.9791 |
| -6 | 18.9808 | 18.5481 | 18.1235 |
| -5 | 18.1137 | 17.709 | 17.3115 |
| -4 | 17.2913 | 16.9127 | 16.5408 |
| -3 | 16.5111 | 16.157 | 15.8089 |
| -2 | 15.7708 | 15.4395 | 15.1138 |
| -1 | 15.0679 | 14.7581 | 14.4533 |
| 0 | 14.4005 | 14.1108 | 13.8255 |
| 1 | 13.7666 | 13.4956 | 13.2286 |
| 2 | 13.1642 | 12.9108 | 12.661 |
| 3 | 12.5917 | 12.3547 | 12.121 |
| 4 | 12.0473 | 11.8258 | 11.6072 |
| 5 | 11.5296 | 11.3226 | 11.1181 |
| 6 | 11.0372 | 10.8436 | 10.6524 |
| 7 | 10.5685 | 10.3877 | 10.2089 |
| 8 | 10.1225 | 9.9535 | 9.7863 |
| 9 | 9.6977 | 9.5399 | 9.3837 |
| 10 | 9.2932 | 9.1458 | 8.9998 |
| 11 | 8.9078 | 8.7702 | 8.6339 |
| 12 | 8.5406 | 8.4121 | 8.2848 |
| 13 | 8.1905 | 8.0707 | 7.9518 |
| 14 | 7.8568 | 7.745 | 7.6341 |
| 15 | 7.5385 | 7.4343 | 7.3308 |
| 16 | 7.2348 | 7.1377 | 7.0412 |
| 17 | 6.945 | 6.8546 | 6.7647 |
| 18 | 6.6684 | 6.5843 | 6.5005 |
| 19 | 6.4044 | 6.3261 | 6.2481 |
| 20 | 6.1522 | 6.0794 | 6.0069 |
| 21 | 5.9114 | 5.8437 | 5.7763 |
| 22 | 5.6812 | 5.6184 | 5.5558 |
| 23 | 5.4613 | 5.403 | 5.3448 |
| 24 | 5.251 | 5.197 | 5.1431 |
| 25 | 5.05 | 5 | 4.95 |
| 26 | 4.8615 | 4.8115 | 4.7615 |
| 27 | 4.681 | 4.6311 | 4.5813 |
| 28 | 4.5081 | 4.4584 | 4.4088 |
| 29 | 4.3426 | 4.2931 | 4.2436 |
| 30 | 4.184 | 4.1347 | 4.0856 |
| 31 | 4.032 | 3.983 | 3.9343 |
| 32 | 3.8864 | 3.8377 | 3.7893 |
| 33 | 3.7467 | 3.6985 | 3.6505 |
| 34 | 3.6128 | 3.565 | 3.5174 |
| 35 | 3.4844 | 3.437 | 3.3899 |
| 36 | 3.3612 | 3.3143 | 3.2677 |
| 37 | 3.243 | 3.1966 | 3.1505 |
| 38 | 3.1296 | 3.0836 | 3.0381 |
| 39 | 3.0207 | 2.9753 | 2.9303 |
| 40 | 2.9161 | 2.8713 | 2.8268 |
| 41 | 2.8157 | 2.7714 | 2.7276 |
| 42 | 2.7193 | 2.6756 | 2.6323 |
| 43 | 2.6266 | 2.5835 | 2.5408 |
| 44 | 2.5376 | 2.4951 | 2.453 |
| 45 | 2.452 | 2.4101 | 2.3686 |
| 46 | 2.3698 | 2.3284 | 2.2876 |
| 47 | 2.2907 | 2.2499 | 2.2097 |
| 48 | 2.2146 | 2.1745 | 2.1349 |
| 49 | 2.1415 | 2.102 | 2.063 |
| 50 | 2.0711 | 2.0322 | 1.9938 |
| 51 | 2.0034 | 1.9651 | 1.9273 |
| 52 | 1.9382 | 1.9005 | 1.8634 |
| 53 | 1.8754 | 1.8384 | 1.8019 |
| 54 | 1.815 | 1.7786 | 1.7427 |
| 55 | 1.7569 | 1.721 | 1.6857 |
| 56 | 1.7009 | 1.6656 | 1.6309 |
| 57 | 1.6469 | 1.6122 | 1.5781 |
| 58 | 1.5949 | 1.5608 | 1.5273 |
| 59 | 1.5448 | 1.5113 | 1.4784 |
| 60 | 1.4965 | 1.4636 | 1.4313 |
| 61 | 1.45 | 1.4176 | 1.3859 |
| 62 | 1.4051 | 1.3733 | 1.3421 |
| 63 | 1.3618 | 1.3306 | 1.3 |
| 64 | 1.3201 | 1.2894 | 1.2593 |
| 65 | 1.2798 | 1.2497 | 1.2201 |
| 66 | 1.2409 | 1.2114 | 1.1824 |
| 67 | 1.2035 | 1.1744 | 1.1459 |
| 68 | 1.1673 | 1.1387 | 1.1108 |
| 69 | 1.1323 | 1.1043 | 1.0769 |
| 70 | 1.0986 | 1.0711 | 1.0442 |
| 71 | 1.0661 | 1.0391 | 1.0126 |
| 72 | 1.0346 | 1.0081 | 0.9822 |
| 73 | 1.0043 | 0.9782 | 0.9528 |
| 74 | 0.9749 | 0.9494 | 0.9244 |
| 75 | 0.9466 | 0.9215 | 0.897 |
| 76 | 0.9192 | 0.8945 | 0.8705 |
| 77 | 0.8927 | 0.8685 | 0.8449 |
| 78 | 0.8671 | 0.8434 | 0.8202 |
| 79 | 0.8423 | 0.8191 | 0.7963 |
| 80 | 0.8184 | 0.7956 | 0.7733 |
| 81 | 0.7953 | 0.7728 | 0.751 |
| 82 | 0.7729 | 0.7509 | 0.7294 |
| 83 | 0.7512 | 0.7296 | 0.7086 |
| 84 | 0.7303 | 0.7091 | 0.6884 |
| 85 | 0.71 | 0.6892 | 0.6689 |
| 86 | 0.6904 | 0.67 | 0.6501 |
| 87 | 0.6714 | 0.6513 | 0.6318 |
| 88 | 0.653 | 0.6333 | 0.6142 |
| 89 | 0.6352 | 0.6159 | 0.5971 |
| 90 | 0.618 | 0.599 | 0.5806 |
| 91 | 0.6013 | 0.5827 | 0.5646 |
| 92 | 0.5851 | 0.5668 | 0.5491 |
| 93 | 0.5694 | 0.5515 | 0.5341 |
| 94 | 0.5543 | 0.5367 | 0.5196 |
| 95 | 0.5396 | 0.5223 | 0.5055 |
| 96 | 0.5253 | 0.5084 | 0.4919 |
| 97 | 0.5115 | 0.4948 | 0.4787 |
| 98 | 0.4981 | 0.4818 | 0.4659 |
| 99 | 0.4851 | 0.4691 | 0.4535 |
| 100 | 0.4725 | 0.4568 | 0.4415 |
| 101 | 0.4603 | 0.4449 | 0.4299 |
| 102 | 0.4485 | 0.4333 | 0.4186 |
| 103 | 0.437 | 0.4221 | 0.4077 |
| 104 | 0.4258 | 0.4112 | 0.3971 |
| 105 | 0.415 | 0.4007 | 0.3868 |
| 106 | 0.4045 | 0.3904 | 0.3768 |
| 107 | 0.3943 | 0.3805 | 0.3671 |
| 108 | 0.3845 | 0.3709 | 0.3577 |
| 109 | 0.3749 | 0.3615 | 0.3486 |
| 110 | 0.3655 | 0.3525 | 0.3398 |
| 111 | 0.3565 | 0.3436 | 0.3312 |
| 112 | 0.3477 | 0.3351 | 0.3229 |
| 113 | 0.3392 | 0.3268 | 0.3148 |
| 114 | 0.3309 | 0.3187 | 0.307 |
| 115 | 0.3228 | 0.3109 | 0.2993 |
| 116 | 0.315 | 0.3033 | 0.2919 |
| 117 | 0.3074 | 0.2959 | 0.2848 |
| 118 | 0.3 | 0.2887 | 0.2778 |
| 119 | 0.2929 | 0.2817 | 0.271 |
| 120 | 0.2859 | 0.275 | 0.2644 |
| 121 | 0.2791 | 0.2684 | 0.258 |
| 122 | 0.2725 | 0.262 | 0.2518 |
| 123 | 0.2661 | 0.2557 | 0.2458 |
| 124 | 0.2599 | 0.2497 | 0.2399 |
| 125 | 0.2538 | 0.2438 | 0.2342 |
| 126 | 0.2479 | 0.2381 | 0.2286 |
| 127 | 0.2422 | 0.2325 | 0.2232 |
| 128 | 0.2366 | 0.2271 | 0.218 |
| 129 | 0.2311 | 0.2218 | 0.2129 |
| 130 | 0.2259 | 0.2167 | 0.2079 |
| 131 | 0.2207 | 0.2117 | 0.2031 |
| 132 | 0.2157 | 0.2069 | 0.1984 |
| 133 | 0.2108 | 0.2022 | 0.1938 |
| 134 | 0.2061 | 0.1976 | 0.1894 |
| 135 | 0.2015 | 0.1931 | 0.185 |
| 136 | 0.197 | 0.1887 | 0.1808 |
| 137 | 0.1926 | 0.1845 | 0.1767 |
| 138 | 0.1883 | 0.1804 | 0.1727 |
| 139 | 0.1842 | 0.1764 | 0.1689 |
| 140 | 0.1801 | 0.1725 | 0.1651 |
| 141 | 0.1762 | 0.1687 | 0.1614 |
| 142 | 0.1724 | 0.1649 | 0.1578 |
| 143 | 0.1686 | 0.1613 | 0.1543 |
| 144 | 0.165 | 0.1578 | 0.1509 |
| 145 | 0.1614 | 0.1544 | 0.1476 |
| 146 | 0.158 | 0.151 | 0.1444 |
| 147 | 0.1546 | 0.1478 | 0.1412 |
| 148 | 0.1513 | 0.1446 | 0.1382 |
| 149 | 0.1481 | 0.1415 | 0.1352 |
| 150 | 0.145 | 0.1385 | 0.1323 |
