篮球比分

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您现在的位置:篮球比分 >> 新闻动态 >> 使用补偿导线的误区
使用补偿导线的误区
浏览次数:172发布日期:2019-10-18

DANGWOMENYONGKFENDUHAODEBUCHANGDAOXIANPEIYONGNFENDUHAODEREDIANOU,JIANGZAOCHENGGUOBUCHANG,XIANSHIWENDUPIANGAO;FANZHI,YONGNFENDUHAODEBUCHANGDAOXIANPEIYONGKFENDUHAODEREDIANOU,JIANGZAOCHENGQIANBUCHANG,XIANSHIWENDUPIANDI。

 

篮球比分REDIANOUJIREDIANOUBUCHANGDAOXIANZHENGFUJI,JIXINGBUNENGFANJIE。

 

JINGLILUNZHENGMING,REDIANOUBUCHANGDAOXIANSHIYONGSHIJIANGJIXINGJIEFANDAOZHIDEWUCHAYUEWEIBUYONGBUCHANGDAOXIANSHIDE2BEI。

 

MOUHUAGONGCHANGZAIGENGHUANXIANCHANGREDIANOUHOUCHUXIANWENDUCELIANGZHIYUSHIJIWENDUYOUJIAODAPIANCHA,YOUSHIGAOYOUSHIDI。ZIXIJIANCHAHOUFAXIANREDIANOUYUBUCHANGDAOXIANJIXINGZHENGFUJIEFAN,ANZHAOJIXINGDIAOZHENGBUCHANGDAOXIANJIEXIANHOUGUZHANGXIAOCHU。


 热电偶和热电偶补偿导线都有正负极之分,补偿导线极性反接时仪表显示值变化很大:
(1)补偿导线极性反接后,当热电偶与补偿导线连接处温度高于控制室温度时,仪表显示温度低于实际测量温度。
(2)补偿导线极性反接后,当热电偶与补偿导线连接处温度低于控制室温度时,仪表显示温度高于实际测量温度。
(3)补偿导线极性反接后,当热电偶与补偿导线连接处温度与控制室温度相同时,仪表显示温度与实际温度相同。

 

RUHEBIMIANJIEFANNI?YOUSHIKEGENJUZILIAOSUOLIEBUCHANGDAOXIANDECAILIAO、JUEYUANCENGJIHUTAOYANSEPANDUAN,DANYOUYUGUONEIXINJIUBIAOZHUN、IECBIAOZHUNDEGUIDINGYOUCHAYI,YONGZHEIGEFANGFADUIBUCHANGDAOXIANDEFENDUHAOHEJIXINGCHANGCHANGNANYIZHUNQUEPANDUAN。

 

KEKAOCHANGYONGDEFANGFASHICESHIFA,JIUSHIJIANGBUCHANGDAOXIANDELIANGDUANBOQUJUEYUANCENG,BALIANGGENDAOXIANJIAOHEZAIYIQIZHICHENGREDIANOUDEREDUAN,FANGDAOFEITENGDESHUIZHONG,LIANGGENDAOXIANDELINGYIDUANYUZHILIUDIANWEICHAJIXIANGLIAN(BUYINGGAIYUDONGQUANSHIZHIDUmVBIAOXIANGLIAN,YINCELIANGSHIQUDIANLIUQIDUSHUPIANDI),JIANGCEDEDEREDIANSHIYUBIAO1BIJIAO,YUZHIJIEJINDEJIWEIBUCHANGDAOXIANDEFENDUHAO,GENJUDIANWEICHAJIDEZHENGFUJIKEQUEDINGBUCHANGDAOXIANDEJIXING。

 

篮球比分YOUYUCESHISHIYOUBUCHANGDAOXIANGOUCHENGDEREDIANOUDECANBIDUANWENDUBUYIDINGSHI0℃,LIRUSHI20℃,ZESUOCEREDIANSHIDIYUCANBIDUANWEI0℃DEREDIANSHIZHI。YIMOUZHONGBUMINGFENDUHAODEBUCHANGDAOXIANWEILI,RUCANBIDUANWENDUYUE20℃,CELIANGZHIRUZAI3.928±0.150mVFANWEINEI,ZEKEPANDUANZHEIZHONGBUCHANGDAOXIANDEFENDUHAOSHIK。3.928SHIKFENDUHAOREDIANOU100℃HE20℃SHIREDIANSHIDECHAZHI,0.150SHIKFENDUHAOPUTONGJIBUCHANGDAOXIANDEYUNCHA。

 

篮球比分BUCHANGDAOXIANYIBIAOPANJIEXIANDIANDEWEIZHIBUDANG,YIYINQIWUCHA

 

WOMENZHIDAO,BUCHANGDAOXIANZHISHIBAREDIANOUDECANBIDUANYANZHANG,QIDAOYIDONGCANBIDUANWEIZHIDEZUOYONG,YANSHENHOUDECANBIDUANWENDUYINGDANGHENGDINGHUOPEIYONGBENSHENJUYOUCANBIDUANWENDUZIDONGBUCHANGDEZHUANGZHI,FOUZERENGKENENGYINXINDECANBIDUANWENDUBIANHUAYINQICELIANGWUCHA。

 

BIRUZAIYIBIAOPANNEIJIEXIANSHI,YOUYUCHANGYONGPANZHUANGXIANSHIQI、JILUYIBENSHENYINTONGDIANERFARE,SHIQIJIEXIANDUANZICHUDEWENDUGAOYUYIBIAOPANJIEXIANDUANZICHUDEWENDU。DANGREDIANOUDEBUCHANGDAOXIANYINJINYIBIAOPANHOU,RUGUOJIANGQIJIEDAOYIBIAOPANDEJIEXIANDUANZISHANG,ERYIBIAOPANDEJIEXIANDUANZIYUYIBIAOJIEXIANDUANZIJIANYONGTONGXIANLIANJIE,ZEYINSHANGSHUWENCHACUNZAIJIANGZAOCHENGCELIANGWUCHA。SUOYIJIANGBUCHANGDAOXIANKUAGUOYIBIAOPANDEJIEXIANDUANZIZHIJIEYUYIBIAODEJIEXIANDUANZIXIANGLIAN。

 

BUCHANGDAOXIANXIANLUDIANZUXUANZEBUDANG,YIYINQIWUCHA

 

DUIZAOQIPEIREDIANOUDEDONGQUANSHIYIBIAOLAISHUO,YOU5Ω、15ΩLIANGZHONGXIANLUDIANZUDEYAOQIU,DANGREDIANOUANZHUANGDIDIANLIDONGQUANBIAOJIAOYUANSHI,HUOCAIYONGFENDUHAOK、N、E、J、TDENGBAOHANYOUTONGNIECAILIAODEBUCHANGDAOXIANSHI,QIXIANLUDIANZUJIAODA,XUANYONGSHIYAOZHUYIXUANJIAODAJIEMIANDEBUCHANGDAOXIAN。

 

BIRUXUANYONGWAIJIE15ΩXIANLUDIANZUEFENDUHAODEDONGQUANSHIYIBIAOSHI,QIPEIYONGDEBUCHANGDAOXIANJIEMIANWEI1.0mm2、2.5mm2,ERDUIYINGDEDANWEIZHANGDUXIANLUDIANZUFENBIEWEI1.25Ω/mHE0.5Ω/m,ZEBUCHANGDAOXIANDEDAYUNXUZHANGDUJINWEI12mHE30m。SHEJISHIRUBULIUXIN,ZHEIGEZHANGDUHENRONGYICHAOGUO,ZAOCHENGCELIANGWUCHA。

 

篮球比分R、SFENDUHAOREDIANOUDEBUCHANGDAOXIANHUNYONG,YIYINQIWUCHA

 

篮球比分TONGCHENGWEIBOLAO-BODEREDIANOUYOUR、SLIANGZHONGFENDUHAO,FENBIEDAIBIAOBOLAO13-BOHEBOLAO10-BOREDIANOU,QIANZHEZAIGUONEIYINGYONGJIAOSHAO,DANQIREDIANSHIJIAODA(1600℃SHIR、SFENDUREDIANOUDEREDIANSHIFENBIEWEI18.849mVHE16.777mV),ERZAIDIWENDUAN100℃SHILIANGZHEJIBENYIZHI(R、SFENDUHAODEREDIANSHIFENBIEWEI0.647mVHE0.646mV),200℃SHISHAOYOUCHABIE(R、SFENDUHAODEREDIANSHIFENBIEWEI1.467mVHE1.441mV),SUOYIMUQIANGUONEISHICHANGSHANGR、SFENDUHAODEBUCHANGDAOXIANSHITONGYONGDE。

 

RUJIANGSHICHANGSHANGTONGCHANGCAIGOUDEDAODESFENDUHAODEBUCHANGDAOXIANYONGYURFENDUHAODEREDIANOU,ZAI100℃YIXIAWUWUCHA,JISHIDAOLENAIREYONGBUCHANGDAOXIANDEJIXIANWENDU200℃,DANGREDIANOUDEREDUANWENDUFENBIEWEI600℃、1000℃、1300℃SHI,SUOYINQIDEWUCHAJINWEI2.5℃、2.2℃、2.0℃。

 

 

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