调制激光器激励法的热电偶时间常数测试.pdf
调制激光器激励法的热电偶时间常数测试pdf,调制激光器激励法的热电偶时间常数测试1020101UL14W-Re3/252000℃A:1.1456my@:-2.96@:24.6mV12℃.Q V0.477mV呼中士中中十钟中中中中中22 CHAL-005-BW/m V/mv/CCh,10.0mY'EwM1.00sAch1了2.40tm s14.965.437133660图5W-Re3/25热电偶时间常数5.125.5971376205.045.517135(3 ButtW elded(J44.645.117125640500nsOME-135GAButt elded5.517660(K41.6r10m v(2)~(6)250C636ms0≈26msRA=40m%,U≈26ms停止A:416ms△:c0mv:34.4ms@:6.40mvt=(636±26)ms133℃(5+4++++++++}+4+4++32100us400μsch 1.5.00mvRⅥ400 ms'A ch1∫1.30mvKT0.00000s图6 Butt ehe热电偶时间常数11. 6s(4)38.0hVK950C(K61. 8Hs7预览A:11.65△:25.6mv200C四I.0s⑩:25.2mv:3,zm计+计++计+++++计+wch1:10.0mvM 10.0sA Ch1 5.00mv10.0mV10.0s40.0000s图4K型热电偶时间常数(2)WRe3/25图7薄膜热电偶时间常数o1994-2011CinaAcadcmicJounalElccwomeplIshingHousc.Allrightsrescrvcd.http://www.chri.ne201013·160)18H2002(8):69-722[J2008(2):72开始输入位枣N74清F0标志PU置号房间0度地址指针输入下降沿?,200910:6-8延时滤十房间号送R3输入位变?>[·1度单元减输入位原状态送10H取反输01度单元0N3置P2口地址入新状态重置01度计数器采样值送C输入位变CHAL-- BW6336m s133置运算标志18H11.6s950与原输入位状态比较结果送C10H送原输调用运算子程序W-Re3/251.14s2000入状态单元41 6ms190输入下一房间K6L8μs200B200s1217图3N号房间计量流程图Q6μmCO241500)LO LI L2 L3 L4 L542ADE7757(2)A/D10.6mCK-5002000C1] L Micha ski K. E ckersdo rf J Kucharski et al Tem peratuM easurem en!]. 2nd ed John W iey& Sons 2001.2 JV. Nicholas D r White Traceable Temperatures An Introduct in to Temperature M easurem ent and Ca libration [M I43x& sons20〔220V20084[D].20055[D]20071994-20AD7755SinaAcadcmicJourlaelcctroniCPublishingHousc.Allrightsrcscrved.http://wcw.cnkI.no
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