熒光式光纖傳感探頭介紹

光(guang)(guang)纖(xian)(xian)探頭由(you)ST接頭、光(guang)(guang)纖(xian)(xian)光(guang)(guang)纜(lan)、末端感(gan)溫(wen)(wen)端三部(bu)分(fen)組成。ST接頭是與光(guang)(guang)電模塊的(de)連(lian)接部(bu)分(fen)；光(guang)(guang)纖(xian)(xian)光(guang)(guang)纜(lan)為(wei)傳光(guang)(guang)部(bu)分(fen)，內部(bu)為(wei)石英光(guang)(guang)纖(xian)(xian)，石英光(guang)(guang)纖(xian)(xian)外部(bu)有涂覆層和包層，最外部(bu)為(wei)特氟龍保(bao)護套；末端感(gan)溫(wen)(wen)端含有感(gan)溫(wen)(wen)稀土材料(liao)，用于產(chan)生含有溫(wen)(wen)度信(xin)息的(de)光(guang)(guang)信(xin)號；光(guang)(guang)纖(xian)(xian)整體耐(nai)200℃高溫(wen)(wen)，外表(biao)直(zhi)徑(jing)為(wei)3mm。長期(qi)彎曲半(ban)徑(jing)13.2cm。短期(qi)彎曲半(ban)徑(jing)4.4cm。光(guang)(guang)纖(xian)(xian)引出線對地距離為(wei)0.4m的(de)情(qing)況下，耐(nai)受工(gong)頻(pin)電壓100KV，持(chi)續時間5min。

熒(ying)光光纖測溫探頭具有電(dian)(dian)絕緣性(xing)好(hao)、抗電(dian)(dian)磁干(gan)擾、抗化學(xue)腐(fu)蝕(shi)、無(wu)(wu)污(wu)染等(deng)許多(duo)其(qi)它測溫傳感探頭所無(wu)(wu)法比擬的(de)優(you)點，使(shi)得熒(ying)光傳感探頭不(bu)但在生物、醫學(xue)等(deng)諸多(duo)領域應用(yong)，在電(dian)(dian)力(li)工業也(ye)有著廣泛(fan)的(de)應用(yong)前景，它主要用(yong)于:電(dian)(dian)氣設備(bei)高(gao)壓(ya)儀器(qi)溫度(du)測量(liang)，發電(dian)(dian)機診斷系(xi)統及變(bian)壓(ya)器(qi)繞組間(jian)的(de)溫度(du)測量(liang)，高(gao)壓(ya)斷路器(qi)觸頭溫度(du)測量(liang)，高(gao)壓(ya)電(dian)(dian)纜(lan)接頭溫度(du)測量(liang)等(deng)。

熒光光纖測溫變送器參數

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