PT100铂电阻分度表温度 ℃ 0 1 2 3 4 5 6 7 8 9电阻值（Ω）-200 18.52-190 -180 -170 -160 -150 22.8327.1031.3435.5439.7222.4026.6730.9135.1239.3121.9726.2430.4934.7038.8921.5425.8230.0734.2838.4721.1125.3929.6433.8638.0520.6824.9729.2233.4437.6420.2524.5428.8033.0237.2219.8224.1128.3732.6036.8019.3823.6827.9532.1836.3818.9523.2527.5231.7635.96-140 -130 -120 -110 -100 43.8848.0052.1156.1960.2643.4647.5951.7055.7959.8543.0547.1851.2955.3859.4442.6346.7750.8854.9759.0442.2246.3650.4754.5658.6341.8045.9450.0654.1558.2341.3945.5349.6553.7557.8240.9745.1249.2453.3457.4140.5644.7048.8352.9357.0140.1444.2948.4252.5256.60-90 -80 -70 -60 -50 64.3068.3372.3376.3380.3163.9067.9271.9375.9379.9163.4967.5271.5375.5379.5163.0967.1271.1375.1379.1162.6866.7270.7374.7378.7262.2866.3170.3374.3378.3261.8865.9169.9373.9377.9261.4765.5169.5373.5377.5261.0765.1169.1373.1377.1260.6664.7068.7372.7376.73-40 -30 -20 -10 0 84.2788.2292.1696.09100.0083.8787.8391.7795.6999.6183.4887.4391.3795.3099.2283.0887.0490.9894.9198.8382.6986.6490.5994.5298.4482.2986.2590.1994.1298.0481.8985.8589.8093.7397.6581.5085.4689.4093.3497.2681.1085.0689.0192.9596.8780.7084.6788.6292.5596.480 10 20 30 40 100.00103.90107.79111.67115.54100.39104.29108.18112.06115.93100.78104.68108.57112.45116.31101.17105.07108.96112.83116.70101.56105.46109.35113.22117.08101.95105.85109.73113.61117.47102.34106.24110.12114.00117.86102.73106.63110.51114.38118.24103.12107.02110.90114.77118.63103.51107.40111.29115.15119.0150 60 70 80 90 119.40123.24127.08130.90134.71119.78123.63127.46131.28135.09120.17124.01127.84131.66135.47120.55124.39128.22132.04135.85120.94124.78128.61132.42136.23121.32125.16128.99132.80136.61121.71125.54129.37133.18136.99122.09125.93129.75133.57137.37122.47126.31130.13133.95137.75122.86126.69130.52134.33138.13100 110 120 130 140 138.51142.29146.07149.83153.58138.88142.67146.44150.21153.96139.26143.05146.82150.58154.33139.64143.43147.20150.96154.71140.02143.80147.57151.33155.08140.40144.18147.95151.71155.46140.78144.56148.33152.08155.83141.16144.94148.70152.46156.20141.54145.31149.08152.83156.58141.91145.69149.46153.21156.95150 160 170 180 190 157.33161.05164.77168.48172.17157.70161.43165.14168.85172.54158.07161.80165.51169.22172.91158.45162.17165.89169.59173.28158.82162.54166.26169.96173.65159.19162.91166.63170.33174.02159.56163.29167.00170.70174.38159.94163.66167.37171.07174.75160.31164.03167.74171.43175.12160.68164.40168.11171.80175.49200 210 220 230 240 175.86179.53183.19186.84190.47176.22179.89183.55187.20190.84176.59180.26183.92187.56191.20176.96180.63184.28187.93191.56177.33180.99184.65188.29191.92177.69181.36185.01188.66192.29178.06181.72185.38189.02192.65178.43182.09185.74189.38193.01178.79182.46186.11189.75193.37179.16182.82186.47190.11193.74250 260 270 280 290 194.10197.71201.31204.90208.48194.46198.07201.67205.26208.84194.82198.43202.03205.62209.20195.18198.79202.39205.98209.56195.55199.15202.75206.34209.91195.91199.51203.11206.70210.27196.27199.87203.47207.05210.63196.63200.23203.83207.41210.98196.99200.59204.19207.77211.34197.35200.95204.55208.13211.70300 310 320 330 340 212.05215.61219.15222.68226.21212.41215.96219.51223.04226.56212.76216.32219.86223.39226.91213.12216.67220.21223.74227.26213.48217.03220.57224.09227.61213.83217.38220.92224.45227.96214.19217.74221.27224.80228.31214.54218.09221.63225.15228.66214.90218.44221.98225.50229.02215.25218.80222.33225.85229.37350 360 370 380 390 229.72233.21236.70240.18243.64230.07233.56237.05240.52243.99230.42233.91237.40240.87244.33230.77234.26237.74241.22244.68231.12234.61238.09241.56245.02231.47234.96238.44241.91245.37231.82235.31238.79242.26245.71232.17235.66239.13242.60246.06232.52236.00239.48242.95246.40232.87236.35239.83243.29246.75400 410 420 430 440 247.09250.53253.96257.38260.78247.44250.88254.30257.72261.12247.78251.22254.65258.06261.46248.13251.56254.99258.40261.80248.47251.91255.33258.74262.14248.81252.25255.67259.08262.48249.16252.59256.01259.42262.82249.50252.93256.35259.76263.16245.85253.28256.70260.10263.50250.19253.62257.04260.44263.84450 264.18 264.52 264.86 265.20265.53265.87266.21266.55 266.89 267.22460 470 480 490 267.56270.93274.29277.64267.90271.27274.63277.98268.24271.61274.96278.31268.57271.94275.30278.64268.91272.28275.63278.98269.25272.61275.97279.31269.59272.95276.30279.64269.92273.29276.64279.98270.26273.62276.97280.31270.60273.96277.31280.64500 510 520 530 540 280.98284.30287.62290.92294.21281.31284.63287.95291.25294.54281.64284.97288.28291.58294.86281.98285.30288.61291.91295.19282.31285.63288.94292.24295.52282.64285.96289.27292.56295.85282.97286.29289.60292.89296.18283.31286.62289.93293.22296.50283.64286.85290.26293.55296.83283.97287.29290.59293.88297.16550 560 570 580 590 297.49300.75304.01307.25310.49297.81301.08304.34307.58310.81298.14301.41304.66307.90311.13298.47301.73304.98308.23311.45298.80302.06305.31308.55311.78299.12302.38305.63308.87312.10299.45302.71305.96309.20312.42299.78303.03306.28309.52312.74300.10303.36306.61309.84313.06300.43303.69306.93310.16313.39600 610 620 630 640 313.71316.92320.12323.30326.48314.03317.24320.43323.62326.79314.35317.56320.75323.94327.11314.67317.88321.07324.26327.43314.99318.20321.39324.57327.74315.31318.52321.71324.89328.06315.64318.84322.03325.21328.38315.96319.16322.35325.53328.69316.28319.48322.67325.84329.01316.60319.80322.98326.16329.32650 660 329.64332.79329.96 330.27 330.59 330.90 331.22 331.53 331.85 332.16 332.48主要技术指标一:温度测量范围及允差分度号0℃时的公称电阻R(0℃)值Ω电阻比W(100℃)测温范围允差测温范围(℃) 允差Pt10 101.3850 陶瓷元件：-200～600玻璃元件：-200～500云母元件：-200～420A级：±（0.15+0.2%|t|）B级：±（0.3+0.5%|t|）Pt100 100Cu50 501.4280 -50～100 ±（0.3+0.5%|t|）Cu100 100主要技术指标二:名称分度号测温范围C°精度等级误差△t°C铂电阻Pt100-200～6001/3DIN±(0.10+0.0017|T|) Pt500A级±(0.15+0.002|T|) Pt1000B级±(0.30+0.005|T|)注;分度号为Pt10的工业铂热电阻需协议供货。
PtIOO热电阻计算公式及分度表
热电阻公式都是Rt=Ro(1+A*t+B*t*t);Rt=Ro[1+A*t+B*t*t+C(t-100)*t*t*t] 的形式，t
表示摄氏温度，Ro是零摄氏度时的电阻值，A、B、C都是规定的系数，对于Pt100,Ro就
等于100，
0到850度
Rt=R0 ( 1+A*t+B*t A2 )
-200 到0
Rt=R0[1+A*t+BtA2+C(t-100)A3]
R0是0度是铂电阻的阻值
A=3.940*乘10负3次幕
B=-5.802 乘10负7次幕
C=-4.274 乘10 的负12
Pt100,就是说它的阻值在0度时为100欧姆，负200度时为18.52欧姆，200度时为175.86 欧姆，800度时为375.70欧姆。
Pt100温度传感器的主要技术参数如下：测量范围：-200 C〜+850 C；允许偏差值△《：A
级土(0.15 + 0.002 | t ,| )B 级土(0.30 + 0.005 | t 热响应时间<30s ;最小置入深度：
热电阻的最小置入深度》200mm ;允通电流w 5mAPt1另外卜温度传感器还具有抗振动、稳定性好、准确度高、耐高压等优点。
看到了？电流不能大于5mA，而电阻是随温度变化的，所以电压也要注意。
为了提高温度测量的准确性，应使用1V电桥电源、A/D转换器的5V参考电源要稳定在1mV级；在价格允许的情况下，PtIOO传感器、A/D转换器和运放的线性度要高。
同时，利用软件矫正其误差，可以使测得温度的精度在土
0.2〔
PtIOO热电阻分度表。
pt100电阻与温度对应表
设计原理：
pt100是铂热电阻，它的阻值会随着温度的变化而改变。
PT后的100即表示它在0℃时阻值为100欧姆，在100℃时它的阻值约为138.5欧姆。
它的工业原理：当PT100在0摄氏度的时候他的阻值为100欧姆，它的的阻值会随着温度上升它的阻值是成匀速增涨的。
应用范围：
医疗、电机、工业、温度计算、阻值计算等高精温度设备，应用范围非常之广泛。
PT100分度表
-50度80.31欧姆
-40度84.27欧姆
-30度88.22欧姆
-20度92.16欧姆
-10度96.09欧姆
0度100.00欧姆
10度103.90欧姆
20度107.79欧姆
30度111.67欧姆
40度115.54欧姆
50度119.40欧姆
60度123.24欧姆
70度127.08欧姆
80度130.90欧姆
90度134.71欧姆
100度138.51欧姆
110度142.29欧姆
120度146.07欧姆
130度149.83欧姆
140度153.58欧姆
150度157.33欧姆
160度161.05欧姆
170度164.77欧姆
180度168.48欧姆
190度172.17欧姆
200度175.86欧姆
组成的部分
常见的pt1oo感温元件有陶瓷元件，玻璃元件，云母元件，它们是由铂丝分别绕在陶瓷骨架，玻璃骨架，云母骨架上再经过复杂的工艺加工而成
薄膜铂电阻
薄膜铂电阻：用真空沉积的薄膜技术把铂溅射在陶瓷基片上，膜厚在2微米以内，用玻璃烧结料把Ni（或Pd）引线固定，经激光调阻制成薄膜元件。
pt100
pt100是铂热电阻，它的阻值会随着温度的变化而改变。
PT后的100即表示它在0℃时阻值为100欧姆，在100℃时它的阻值约为138.5欧姆。
PT100分度表
-50度80.31欧姆
-40度84.27欧姆
-30度88.22欧姆
-20度92.16欧姆
-10度96.09欧姆
0度100.00欧姆
10度103.90欧姆
20度107.79欧姆
30度111.67欧姆
40度115.54欧姆
50度119.40欧姆
60度123.24欧姆
70度127.08欧姆
80度130.90欧姆
90度134.71欧姆
100度138.51欧姆
110度142.29欧姆
120度146.07欧姆
130度149.83欧姆
140度153.58欧姆
150度157.33欧姆
160度161.05欧姆
170度164.77欧姆
180度168.48欧姆
190度172.17欧姆
200度175.86欧姆
组成的部分
常见的pt1oo感温元件有陶瓷元件，玻璃元件，云母元件，它们是由铂丝分别绕在陶瓷骨架，玻璃骨架，云母骨架上再经过复杂的工艺加工而成
在0℃≤t≤850℃时，铂电阻Pt100的阻值与温度的关系为：
Rt=R0[1+At+Bt^2+Ct^3(t-100)],
式中R0=100.00，A=3.96847*10^(-3),B=-5.847*10^(-7),C=-4.22*10^(-12),
将t=25带入上式，可得Rt=109.885Ω.
参考资料：刘元扬.自动检测和过程控制.冶金工业出版社，2005.。
