Coefficients des équations de conversion

Table ITS-90 pour Thermocouple de Type K
Tension thermoélectrique en mV
°C0-1-2-3-4-5-6-7-8-9-10
-270-6.458          
-260-6.441-6.444-6.446-6.448-6.450-6.452-6.453-6.455-6.456-6.457-6.458
-250-6.404-6.408-6.413-6.417-6.421-6.425-6.429-6.432-6.435-6.438-6.441
-240-6.344-6.351-6.358-6.364-6.370-6.377-6.382-6.388-6.393-6.399-6.404
-230-6.262-6.271-6.280-6.289-6.297-6.306-6.314-6.322-6.329-6.337-6.344
-220-6.158-6.170-6.181-6.192-6.202-6.213-6.223-6.233-6.243-6.252-6.262
-210-6.035-6.048-6.061-6.074-6.087-6.099-6.111-6.123-6.135-6.147-6.158
°C0-1-2-3-4-5-6-7-8-9-10
-200-5.891-5.907-5.922-5.936-5.951-5.965-5.980-5.994-6.007-6.021-6.035
-190-5.730-5.747-5.763-5.780-5.797-5.813-5.829-5.845-5.861-5.876-5.891
-180-5.550-5.569-5.588-5.606-5.624-5.642-5.660-5.678-5.695-5.713-5.730
-170-5.354-5.374-5.395-5.415-5.435-5.454-5.474-5.493-5.512-5.531-5.550
-160-5.141-5.163-5.185-5.207-5.228-5.250-5.271-5.292-5.313-5.333-5.354
-150-4.913-4.936-4.960-4.983-5.006-5.029-5.052-5.074-5.097-5.119-5.141
-140-4.669-4.694-4.719-4.744-4.768-4.793-4.817-4.841-4.865-4.889-4.913
-130-4.411-4.437-4.463-4.490-4.516-4.542-4.567-4.593-4.618-4.644-4.669
-120-4.138-4.166-4.194-4.221-4.249-4.276-4.303-4.330-4.357-4.384-4.411
-110-3.852-3.882-3.911-3.939-3.968-3.997-4.025-4.054-4.082-4.110-4.138
-100-3.554-3.584-3.614-3.645-3.675-3.705-3.734-3.764-3.794-3.823-3.852
°C0-1-2-3-4-5-6-7-8-9-10
-90-3.243-3.274-3.306-3.337-3.368-3.400-3.431-3.462-3.492-3.523-3.554
-80-2.920-2.953-2.986-3.018-3.050-3.083-3.115-3.147-3.179-3.211-3.243
-70-2.587-2.620-2.654-2.688-2.721-2.755-2.788-2.821-2.854-2.887-2.920
-60-2.243-2.278-2.312-2.347-2.382-2.416-2.450-2.485-2.519-2.553-2.587
-50-1.889-1.925-1.961-1.996-2.032-2.067-2.103-2.138-2.173-2.208-2.243
-40-1.527-1.564-1.600-1.637-1.673-1.709-1.745-1.782-1.818-1.854-1.889
-30-1.156-1.194-1.231-1.268-1.305-1.343-1.380-1.417-1.453-1.490-1.527
-20-0.778-0.816-0.854-0.892-0.930-0.968-1.006-1.043-1.081-1.119-1.156
-10-0.392-0.431-0.470-0.508-0.547-0.586-0.624-0.663-0.701-0.739-0.778
00.000-0.039-0.079-0.118-0.157-0.197-0.236-0.275-0.314-0.353-0.392
°C0-1-2-3-4-5-6-7-8-9-10
°C012345678910
00.0000.0390.0790.1190.1580.1980.2380.2770.3170.3570.397
100.3970.4370.4770.5170.5570.5970.6370.6770.7180.7580.798
200.7980.8380.8790.9190.9601.0001.0411.0811.1221.1631.203
301.2031.2441.2851.3261.3661.4071.4481.4891.5301.5711.612
401.6121.6531.6941.7351.7761.8171.8581.8991.9411.9822.023
502.0232.0642.1062.1472.1882.2302.2712.3122.3542.3952.436
602.4362.4782.5192.5612.6022.6442.6852.7272.7682.8102.851
702.8512.8932.9342.9763.0173.0593.1003.1423.1843.2253.267
803.2673.3083.3503.3913.4333.4743.5163.5573.5993.6403.682
903.6823.7233.7653.8063.8483.8893.9313.9724.0134.0554.096
1004.0964.1384.1794.2204.2624.3034.3444.3854.4274.4684.509
°C012345678910
1104.5094.5504.5914.6334.6744.7154.7564.7974.8384.8794.920
1204.9204.9615.0025.0435.0845.1245.1655.2065.2475.2885.328
1305.3285.3695.4105.4505.4915.5325.5725.6135.6535.6945.735
1405.7355.7755.8155.8565.8965.9375.9776.0176.0586.0986.138
1506.1386.1796.2196.2596.2996.3396.3806.4206.4606.5006.540
1606.5406.5806.6206.6606.7016.7416.7816.8216.8616.9016.941
1706.9416.9817.0217.0607.1007.1407.1807.2207.2607.3007.340
1807.3407.3807.4207.4607.5007.5407.5797.6197.6597.6997.739
1907.7397.7797.8197.8597.8997.9397.9798.0198.0598.0998.138
°C012345678910
2008.1388.1788.2188.2588.2988.3388.3788.4188.4588.4998.539
2108.5398.5798.6198.6598.6998.7398.7798.8198.8608.9008.940
2208.9408.9809.0209.0619.1019.1419.1819.2229.2629.3029.343
2309.3439.3839.4239.4649.5049.5459.5859.6269.6669.7079.747
2409.7479.7889.8289.8699.9099.9509.99110.03110.07210.11310.153
25010.15310.19410.23510.27610.31610.35710.39810.43910.48010.52010.561
26010.56110.60210.64310.68410.72510.76610.80710.84810.88910.93010.971
27010.97111.01211.05311.09411.13511.17611.21711.25911.30011.34111.382
28011.38211.42311.46511.50611.54711.58811.63011.67111.71211.75311.795
29011.79511.83611.87711.91911.96012.00112.04312.08412.12612.16712.209
°C012345678910
30012.20912.25012.29112.33312.37412.41612.45712.49912.54012.58212.624
31012.62412.66512.70712.74812.79012.83112.87312.91512.95612.99813.040
32013.04013.08113.12313.16513.20613.24813.29013.33113.37313.41513.457
33013.45713.49813.54013.58213.62413.66513.70713.74913.79113.83313.874
34013.87413.91613.95814.00014.04214.08414.12614.16714.20914.25114.293
35014.29314.33514.37714.41914.46114.50314.54514.58714.62914.67114.713
36014.71314.75514.79714.83914.88114.92314.96515.00715.04915.09115.133
37015.13315.17515.21715.25915.30115.34315.38515.42715.46915.51115.554
38015.55415.59615.63815.68015.72215.76415.80615.84915.89115.93315.975
39015.97516.01716.05916.10216.14416.18616.22816.27016.31316.35516.397
°C012345678910
40016.39716.43916.48216.52416.56616.60816.65116.69316.73516.77816.820
41016.82016.86216.90416.94716.98917.03117.07417.11617.15817.20117.243
42017.24317.28517.32817.37017.41317.45517.49717.54017.58217.62417.667
43017.66717.70917.75217.79417.83717.87917.92117.96418.00618.04918.091
44018.09118.13418.17618.21818.26118.30318.34618.38818.43118.47318.516
45018.51618.55818.60118.64318.68618.72818.77118.81318.85618.89818.941
46018.94118.98319.02619.06819.11119.15419.19619.23919.28119.32419.366
47019.36619.40919.45119.49419.53719.57919.62219.66419.70719.75019.792
48019.79219.83519.87719.92019.96220.00520.04820.09020.13320.17520.218
49020.21820.26120.30320.34620.38920.43120.47420.51620.55920.60220.644
°C012345678910
50020.64420.68720.73020.77220.81520.85720.90020.94320.98521.02821.071
51021.07121.11321.15621.19921.24121.28421.32621.36921.41221.45421.497
52021.49721.54021.58221.62521.66821.71021.75321.79621.83821.88121.924
53021.92421.96622.00922.05222.09422.13722.17922.22222.26522.30722.350
54022.35022.39322.43522.47822.52122.56322.60622.64922.69122.73422.776
55022.77622.81922.86222.90422.94722.99023.03223.07523.11723.16023.203
56023.20323.24523.28823.33123.37323.41623.45823.50123.54423.58623.629
57023.62923.67123.71423.75723.79923.84223.88423.92723.97024.01224.055
58024.05524.09724.14024.18224.22524.26724.31024.35324.39524.43824.480
59024.48024.52324.56524.60824.65024.69324.73524.77824.82024.86324.905
°C012345678910
60024.90524.94824.99025.03325.07525.11825.16025.20325.24525.28825.330
61025.33025.37325.41525.45825.50025.54325.58525.62725.67025.71225.755
62025.75525.79725.84025.88225.92425.96726.00926.05226.09426.13626.179
63026.17926.22126.26326.30626.34826.39026.43326.47526.51726.56026.602
64026.60226.64426.68726.72926.77126.81426.85626.89826.94026.98327.025
65027.02527.06727.10927.15227.19427.23627.27827.32027.36327.40527.447
66027.44727.48927.53127.57427.61627.65827.70027.74227.78427.82627.869
67027.86927.91127.95327.99528.03728.07928.12128.16328.20528.24728.289
68028.28928.33228.37428.41628.45828.50028.54228.58428.62628.66828.710
69028.71028.75228.79428.83528.87728.91928.96129.00329.04529.08729.129
°C012345678910
70029.12929.17129.21329.25529.29729.33829.38029.42229.46429.50629.548
71029.54829.58929.63129.67329.71529.75729.79829.84029.88229.92429.965
72029.96530.00730.04930.09030.13230.17430.21630.25730.29930.34130.382
73030.38230.42430.46630.50730.54930.59030.63230.67430.71530.75730.798
74030.79830.84030.88130.92330.96431.00631.04731.08931.13031.17231.213
75031.21331.25531.29631.33831.37931.42131.46231.50431.54531.58631.628
76031.62831.66931.71031.75231.79331.83431.87631.91731.95832.00032.041
77032.04132.08232.12432.16532.20632.24732.28932.33032.37132.41232.453
78032.45332.49532.53632.57732.61832.65932.70032.74232.78332.82432.865
79032.86532.90632.94732.98833.02933.07033.11133.15233.19333.23433.275
°C012345678910
80033.27533.31633.35733.39833.43933.48033.52133.56233.60333.64433.685
81033.68533.72633.76733.80833.84833.88933.93033.97134.01234.05334.093
82034.09334.13434.17534.21634.25734.29734.33834.37934.42034.46034.501
83034.50134.54234.58234.62334.66434.70434.74534.78634.82634.86734.908
84034.90834.94834.98935.02935.07035.11035.15135.19235.23235.27335.313
85035.31335.35435.39435.43535.47535.51635.55635.59635.63735.67735.718
86035.71835.75835.79835.83935.87935.92035.96036.00036.04136.08136.121
87036.12136.16236.20236.24236.28236.32336.36336.40336.44336.48436.524
88036.52436.56436.60436.64436.68536.72536.76536.80536.84536.88536.925
89036.92536.96537.00637.04637.08637.12637.16637.20637.24637.28637.326
°C012345678910
90037.32637.36637.40637.44637.48637.52637.56637.60637.64637.68637.725
91037.72537.76537.80537.84537.88537.92537.96538.00538.04438.08438.124
92038.12438.16438.20438.24338.28338.32338.36338.40238.44238.48238.522
93038.52238.56138.60138.64138.68038.72038.76038.79938.83938.87838.918
94038.91838.95838.99739.03739.07639.11639.15539.19539.23539.27439.314
95039.31439.35339.39339.43239.47139.51139.55039.59039.62939.66939.708
96039.70839.74739.78739.82639.86639.90539.94439.98440.02340.06240.101
97040.10140.14140.18040.21940.25940.29840.33740.37640.41540.45540.494
98040.49440.53340.57240.61140.65140.69040.72940.76840.80740.84640.885
99040.88540.92440.96341.00241.04241.08141.12041.15941.19841.23741.276
°C012345678910
100041.27641.31541.35441.39341.43141.47041.50941.54841.58741.62641.665
101041.66541.70441.74341.78141.82041.85941.89841.93741.97642.01442.053
102042.05342.09242.13142.16942.20842.24742.28642.32442.36342.40242.440
103042.44042.47942.51842.55642.59542.63342.67242.71142.74942.78842.826
104042.82642.86542.90342.94242.98043.01943.05743.09643.13443.17343.211
105043.21143.25043.28843.32743.36543.40343.44243.48043.51843.55743.595
106043.59543.63343.67243.71043.74843.78743.82543.86343.90143.94043.978
107043.97844.01644.05444.09244.13044.16944.20744.24544.28344.32144.359
108044.35944.39744.43544.47344.51244.55044.58844.62644.66444.70244.740
109044.74044.77844.81644.85344.89144.92944.96745.00545.04345.08145.119
°C012345678910
110045.11945.15745.19445.23245.27045.30845.34645.38345.42145.45945.497
111045.49745.53445.57245.61045.64745.68545.72345.76045.79845.83645.873
112045.87345.91145.94845.98646.02446.06146.09946.13646.17446.21146.249
113046.24946.28646.32446.36146.39846.43646.47346.51146.54846.58546.623
114046.62346.66046.69746.73546.77246.80946.84746.88446.92146.95846.995
115046.99547.03347.07047.10747.14447.18147.21847.25647.29347.33047.367
116047.36747.40447.44147.47847.51547.55247.58947.62647.66347.70047.737
117047.73747.77447.81147.84847.88447.92147.95847.99548.03248.06948.105
118048.10548.14248.17948.21648.25248.28948.32648.36348.39948.43648.473
119048.47348.50948.54648.58248.61948.65648.69248.72948.76548.80248.838
°C012345678910
120048.83848.87548.91148.94848.98449.02149.05749.09349.13049.16649.202
121049.20249.23949.27549.31149.34849.38449.42049.45649.49349.52949.565
122049.56549.60149.63749.67449.71049.74649.78249.81849.85449.89049.926
123049.92649.96249.99850.03450.07050.10650.14250.17850.21450.25050.286
124050.28650.32250.35850.39350.42950.46550.50150.53750.57250.60850.644
125050.64450.68050.71550.75150.78750.82250.85850.89450.92950.96551.000
126051.00051.03651.07151.10751.14251.17851.21351.24951.28451.32051.355
127051.35551.39151.42651.46151.49751.53251.56751.60351.63851.67351.708
128051.70851.74451.77951.81451.84951.88551.92051.95551.99052.02552.060
129052.06052.09552.13052.16552.20052.23552.27052.30552.34052.37552.410
°C012345678910
130052.41052.44552.48052.51552.55052.58552.62052.65452.68952.72452.759
131052.75952.79452.82852.86352.89852.93252.96753.00253.03753.07153.106
132053.10653.14053.17553.21053.24453.27953.31353.34853.38253.41753.451
133053.45153.48653.52053.55553.58953.62353.65853.69253.72753.76153.795
134053.79553.83053.86453.89853.93253.96754.00154.03554.06954.10454.138
135054.13854.17254.20654.24054.27454.30854.34354.37754.41154.44554.479
136054.47954.51354.54754.58154.61554.64954.68354.71754.75154.78554.819
137054.81954.85254.886        
°C012345678910

Thermocouple de type K
Coefficients conversion tension vers température
T90 = c0 + c1x + c2x2 + c3x3 + c4x4 + ... + cnxn
T90 = Température en °C - x = Tension en mV - cx = Coefficients - n = Ordre maximum
Température (°C) -200 à 0 0 à 500 500 à 1372
Tension (mV) -5.891 à 0.000 0.000 à 20.644 20.644 à 54.886
c0 0 0 -1.318058E+02
c1 2.5173462E+01 2.508355E+01 4.830222E+01
c2 -1.1662878E+00 7.860106E-02 -1.646031E+00
c3 -1.0833638E+00 -2.503131E-01 5.464731E-02
c4 -8.9773540E-01 8.315270E-02 -9.650715E-04
c5 -3.7342377E-01 -1.228034E-02 8.802193E-06
c6 -8.6632643E-02 9.804036E-04 -3.110810E-08
c7 -1.0450598E-02 -4.413030E-05 0
c8 -5.1920577E-04 1.057734E-06 0
c9 0 -1.052755E-08 0
Erreur (°C) -0.02 à 0.04 -0.05 à 0.04 -0.05 à 0.06

 

Thermocouple de type K
Coefficients conversion température vers tension
E = somme(i = 0 à n) ci*t90i
t90 = Température en °C - E = Tension en mV - ci = Coefficients - n = Ordre maximum
Uniquement pour les températures supérieures à 0 °C
E = somme(i = 0 à n) ci*t90i + a0*ea1(t90-a2)2
Température (°C) -270 à 0 0 à 1372
c0 0 -0.176004136860e-1
c1 0.394501280250e-1 0.389212049750e-1
c2 0.236223735980e-4 0.185587700320e-4
c3 -0.328589067840e-6 -0.994575928740e-7
c4 -0.499048287770e-8 0.318409457190e-9
c5 -0.675090591730e-10 -0.560728448890e-12
c6 -0.574103274280e-12 0.560750590590e-15
c7 -0.310888728940e-14 -0.320207200030e-18
c8 -0.104516093650e-16 0.971511471520e-22
c9 -0.198892668780e-19 -0.121047212750e-25
c10 -0.163226974860e-22  
Coefficients d'exponentielle pour les températures supérieures à 0 °C
a0 0.1185976
a1 -0.1183432e-3
a2 0.1269686e+3