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pt100rtd.h
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pt100rtd.h
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#define CELSIUS_MIN -200
#define CELSIUS_MAX 850
/*******************************************************************
* pt100rtd list of resistances v temperature
*
* DIN 43760 resistance values (ohms) were multiplied by 100 and
* converted to 16 bit unsigned integers with no loss of accuracy.
*
* Examples:
* 1852 represents 18.52 ohms and corresponds to a temperature of -200C.
* 10000 ==> 100.00 ohms @ 0C
* 13851 ==> 138.51 ohms @ 100C
*
AUTHOR: drh
DATE:2/18/2017
*******************************************************************/
const static uint16_t Pt100_table[1051] PROGMEM = {
1852, 1896, 1939, 1982, 2025, 2068, 2111, 2154, 2197, 2240,
2283, 2326, 2369, 2412, 2455, 2497, 2539, 2582, 2625, 2667,
2710, 2752, 2795, 2837, 2880, 2922, 2965, 3007, 3049, 3092,
3134, 3176, 3218, 3261, 3303, 3345, 3386, 3428, 3470, 3512,
3554, 3596, 3638, 3680, 3722, 3763, 3805, 3847, 3889, 3931,
3972, 4014, 4056, 4097, 4139, 4180, 4222, 4264, 4305, 4346,
4388, 4429, 4471, 4512, 4553, 4595, 4635, 4676, 4718, 4759,
4800, 4841, 4882, 4923, 4964, 5006, 5047, 5088, 5129, 5170,
5211, 5252, 5292, 5333, 5374, 5415, 5456, 5497, 5538, 5578,
5619, 5660, 5700, 5741, 5782, 5822, 5863, 5904, 5944, 5985,
6026, 6067, 6107, 6148, 6187, 6229, 6269, 6310, 6350, 6391,
6430, 6470, 6511, 6551, 6591, 6631, 6672, 6712, 6752, 6792,
6833, 6873, 6913, 6953, 6993, 7033, 7073, 7113, 7153, 7193,
7233, 7273, 7313, 7353, 7393, 7433, 7473, 7513, 7553, 7593,
7633, 7673, 7713, 7752, 7792, 7832, 7872, 7911, 7951, 7991,
8031, 8070, 8110, 8150, 8189, 8229, 8269, 8308, 8348, 8388,
8427, 8467, 8506, 8546, 8585, 8625, 8664, 8704, 8743, 8783,
8822, 8862, 8901, 8940, 8980, 9019, 9059, 9098, 9137, 9177,
9216, 9255, 9295, 9334, 9373, 9412, 9452, 9491, 9530, 9569,
9609, 9648, 9687, 9726, 9765, 9804, 9844, 9883, 9922, 9961,
10000,10039,10078,10117,10156,10195,10234,10273,10312,10351,
10390,10429,10468,10507,10546,10585,10624,10663,10702,10740,
10779,10818,10857,10896,10935,10973,11012,11051,11090,11128,
11167,11206,11245,11283,11322,11361,11399,11438,11477,11515,
11554,11593,11631,11670,11708,11747,11785,11824,11862,11901,
11940,11978,12016,12055,12093,12132,12170,12209,12247,12286,
12324,12362,12401,12439,12477,12517,12555,12593,12632,12670,
12708,12746,12785,12823,12861,12899,12938,12976,13014,13052,
13090,13128,13167,13205,13243,13281,13319,13357,13395,13433,
13471,13509,13547,13585,13623,13661,13699,13737,13775,13813,
13851,13889,13927,13965,14003,14039,14077,14115,14153,14191,
14229,14266,14304,14342,14380,14418,14456,14494,14532,14569,
14607,14645,14682,14720,14758,14795,14833,14871,14908,14946,
14983,15021,15058,15096,15134,15171,15209,15246,15284,15321,
15358,15395,15432,15471,15508,15546,15583,15621,15658,15696,
15733,15771,15808,15845,15883,15920,15956,15994,16031,16068,
16105,16143,16180,16217,16254,16291,16328,16366,16403,16440,
16477,16514,16551,16588,16625,16662,16700,16737,16774,16811,
16848,16885,16922,16959,16996,17033,17069,17106,17143,17180,
17217,17254,17291,17327,17364,17401,17439,17475,17512,17549,
17586,17623,17659,17696,17733,17770,17806,17843,17880,17916,
17953,17990,18026,18063,18099,18136,18173,18209,18246,18282,
18319,18355,18392,18428,18465,18501,18538,18574,18611,18647,
18684,18720,18756,18793,18829,18865,18902,18938,18974,19011,
19047,19083,19120,19156,19192,19228,19266,19302,19338,19374,
19410,19447,19483,19519,19555,19590,19626,19662,19698,19735,
19771,19807,19843,19879,19915,19951,19987,20023,20059,20095,
20131,20167,20203,20238,20274,20310,20346,20382,20418,20454,
20490,20525,20561,20597,20633,20670,20705,20741,20777,20813,
20848,20884,20920,20955,20991,21027,21062,21098,21134,21169,
21205,21240,21276,21312,21347,21383,21419,21455,21490,21526,
21561,21597,21632,21668,21703,21739,21773,21808,21844,21879,
21915,21950,21985,22021,22056,22091,22127,22162,22197,22232,
22268,22303,22338,22373,22409,22445,22480,22515,22550,22585,
22621,22656,22691,22726,22761,22796,22831,22866,22901,22936,
22972,23007,23042,23077,23112,23147,23181,23216,23251,23286,
23321,23356,23391,23426,23460,23495,23530,23565,23600,23635,
23670,23705,23740,23775,23809,23844,23879,23914,23948,23983,
24018,24052,24087,24122,24156,24191,24225,24260,24295,24329,
24364,24398,24433,24467,24502,24536,24571,24605,24640,24674,
24709,24743,24778,24812,24846,24881,24915,24950,24984,25018,
25053,25089,25121,25155,25190,25224,25259,25294,25328,25362,
25396,25430,25465,25499,25533,25567,25601,25635,25670,25704,
25738,25772,25806,25840,25874,25908,25942,25976,26010,26044,
26078,26112,26146,26180,26214,26248,26283,26317,26350,26384,
26418,26452,26486,26520,26554,26587,26621,26655,26689,26722,
26756,26790,26824,26857,26891,26925,26958,26992,27026,27059,
27093,27127,27160,27194,27227,27261,27295,27328,27362,27395,
27429,27462,27496,27529,27563,27596,27631,27664,27697,27731,
27764,27798,27831,27864,27898,27931,27964,27998,28031,28064,
28098,28131,28164,28197,28231,28264,28297,28330,28363,28397,
28430,28463,28496,28529,28562,28595,28630,28663,28696,28729,
28762,28795,28828,28861,28894,28927,28960,28993,29026,29059,
29092,29125,29158,29190,29223,29256,29290,29323,29356,29389,
29421,29454,29487,29520,29553,29585,29618,29651,29684,29716,
29749,29782,29814,29847,29880,29912,29945,29978,30010,30043,
30075,30108,30141,30173,30206,30238,30271,30303,30336,30368,
30401,30433,30466,30498,30530,30563,30595,30628,30660,30692,
30725,30757,30789,30822,30854,30886,30919,30951,30983,31015,
31048,31080,31112,31145,31178,31210,31243,31275,31307,31339,
31371,31404,31436,31468,31500,31532,31564,31596,31628,31660,
31692,31724,31756,31788,31820,31852,31885,31917,31949,31981,
32012,32044,32076,32108,32140,32172,32203,32234,32266,32298,
32330,32361,32393,32425,32457,32488,32521,32553,32585,32616,
32648,32679,32711,32743,32774,32806,32838,32869,32901,32932,
32964,32995,33027,33058,33090,33121,33153,33184,33216,33247,
33279,33310,33341,33373,33404,33436,33468,33499,33531,33562,
33593,33625,33656,33687,33718,33750,33781,33812,33843,33875,
33906,33937,33968,33999,34030,34062,34094,34125,34155,34187,
34218,34249,34280,34311,34342,34373,34404,34435,34466,34497,
34528,34559,34590,34621,34652,34683,34715,34746,34776,34807,
34838,34869,34900,34931,34961,34992,35023,35054,35085,35115,
35146,35177,35207,35238,35269,35299,35330,35361,35391,35422,
35453,35483,35514,35544,35575,35606,35637,35668,35698,35729,
35759,35790,35820,35851,35881,35912,35942,35972,36003,36033,
36064,36094,36124,36155,36185,36215,36246,36276,36306,36336,
36367,36397,36427,36457,36488,36518,36549,36579,36609,36640,
36670,36700,36730,36760,36790,36820,36850,36881,36911,36941,
36971,37001,37031,37061,37091,37121,37152,37182,37212,37241,
37271,37301,37331,37361,37391,37421,37451,37480,37510,37540,
37570,37600,37629,37659,37689,37719,37749,37779,37809,37839,
37868,37898,37928,37957,37987,38017,38046,38076,38105,38135,
38165,38194,38224,38253,38283,38312,38342,38371,38401,38430,
38460,38489,38518,38548,38577,38607,38637,38666,38696,38725,
38755,38784,38813,38842,38872,38901,38931,38961,38990,39019,
39048 // Pt100 resistance * 100 at 850C
} ;
const int PT100_TABLE_MAXIDX = ((sizeof(Pt100_table) / sizeof(uint16_t)) - 1) ;