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傳感器的種類和型號很多,比較常用的為熱電偶、熱電阻溫度傳感器,熱電偶溢度傳感器;並且常用的又分為S,R,B,K,N, T,E,J型xing。一yi般ban來lai講jiang,表biao與yu溫wen度du傳chuan感gan器qi是shi一yi一yi對dui應ying的de,因yin此ci在zai選xuan用yong儀yi表biao時shi一yi定ding要yao弄nong清qing所suo配pei的de是shi何he種zhong傳chuan感gan器qi,如ru果guo所suo用yong的de儀yi表biao與yu所suo配pei的de溫wen度du傳chuan感gan器qi不bu一yi致zhi,儀yi表biao不bu能neng正zheng常chang工gong作zuo。那na麼me接jie下xia來lai我wo們men就jiu來lai看kan看kan溫wen度du傳chuan感gan器qi種zhong類lei和he型xing號hao選xuan擇ze注zhu意yi事shi項xiang
duiyuzhinengxingwenduyibiao,youyuqigongnengzhuyaoyouchengxulaishixian,yibanlaijiangkeyizuodaoyibiaoduoyong,tongguojianpansheding,kepeibutongzhongleihexinghaodewenduchuanganqi。
對dui於yu熱re電dian阻zu溢yi度du傳chuan感gan器qi,其qi與yu儀yi表biao的de連lian接jie方fang式shi有you三san線xian製zhi和he兩liang線xian製zhi,由you於yu兩liang線xian製zhi連lian接jie方fang式shi其qi引yin線xian電dian阻zu是shi輸shu人ren電dian阻zu的de一yi部bu分fen,無wu法fa消xiao除chu,因yin此ci測ce溫wen的de準zhun確que度du受shou到dao影ying響xiang,引yin線xian越yue長chang影ying響xiang越yue大da。
zaicewenzhunqueduyaoqiujiaogaodechanghe,yibancaiqusanxianzhilianjiefangshi,gaizhonglianjiefangshiyouyunengxiaochuyinxiandianzu,yincibeiguangfanshiyong,danyaozhuyiyinxianyuyibiaoxiangliandesangenxiandejiefa。
對於測量溫度較高的場合(大於400℃),一(yi)般(ban)儀(yi)表(biao)所(suo)配(pei)的(de)溫(wen)度(du)傳(chuan)感(gan)器(qi)為(wei)熱(re)電(dian)偶(ou),但(dan)熱(re)電(dian)偶(ou)溫(wen)度(du)傳(chuan)感(gan)器(qi)測(ce)貴(gui)準(zhun)確(que)度(du)不(bu)如(ru)熱(re)電(dian)阻(zu)。需(xu)要(yao)注(zhu)意(yi)的(de)是(shi)熱(re)電(dian)偶(ou)一(yi)定(ding)要(yao)接(jie)補(bu)償(chang)導(dao)線(xian),其(qi)型(xing)號(hao)也(ye)一(yi)定(ding)要(yao)與(yu)所(suo)配(pei)的(de)溫(wen)度(du)傳(chuan)感(gan)器(qi)相(xiang)一(yi)致(zhi)。
對於所配傳感器為熱電偶的溫度儀表,要注意溫度補償器,溫度補償方式分為內補償和外補償,補償電路也有多種,使用時要注意
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