熒光(guang)光(guang)纖(xian)測溫系統參數(shu)
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環境溫度(du) | -20℃~+65℃ |
環境(jing)濕度(du) | ≤95% (25℃) |
工作電(dian)壓(ya) | 100~300VAC |
通訊方式/規約 | RS485/Modbus-RTU |
測量(liang)范圍 | -40℃~200.0℃ (定制可達300℃) |
測量精度 | ±1℃ (可定制) |
分辨(bian)率(lv) | 0.1℃ |
測溫路數 | 1-32路(可定制) |
傳(chuan)感器類型 | 石英光纖,標配5米 (可定制不同長度(du)) |
光纖(xian)探頭耐(nai)壓 | 100KV(40mm耐(nai)壓(ya)長度、5min耐(nai)受(shou)時間) |
光纖探頭直徑 | 2.3mm |
傳感器類型 | 進口(kou)石英(ying)光纖,標配(pei)3米 |
外(wai)觀尺寸 | 150x307x260mm |
熒(ying)光光纖測溫系統簡介
該產(chan)品在高(gao)電壓、強電磁(ci)干擾(rao)等特殊(shu)環(huan)境下(xia)測溫(wen)有(you)著獨特的(de)技術(shu)優勢。其(qi)中(zhong)變送(song)(song)(song)器(qi)(qi)(qi)使用的(de)熒(ying)光(guang)(guang)式光(guang)(guang)纖溫(wen)度(du)(du)傳感器(qi)(qi)(qi)的(de)溫(wen)度(du)(du)熱點(dian)與(yu)測量信號接收部分沒有(you)使用電氣(qi)連接,能長期(qi)高(gao)精度(du)(du)和(he)高(gao)穩定度(du)(du)工(gong)作,這大大提高(gao)了其(qi)應用范圍。與(yu)此同時,光(guang)(guang)纖測溫(wen)變送(song)(song)(song)器(qi)(qi)(qi)有(you)效地(di)解除高(gao)壓斷路器(qi)(qi)(qi)或(huo)電纜頭(tou)處于(yu)過高(gao)溫(wen)環(huan)境下(xia)使用而縮短壽(shou)命,甚(shen)至燒毀斷路器(qi)(qi)(qi)或(huo)電纜,不利于(yu)開關柜(ju)的(de)安(an)全運(yun)行等隱患。變送(song)(song)(song)器(qi)(qi)(qi)的(de)精度(du)(du)及(ji)靈(ling)敏度(du)(du)高(gao)且耐高(gao)壓防腐蝕、可遠程監(jian)測、壽(shou)命長,體積小、使得儀表(biao)維護簡易方便,運(yun)輸安(an)全。其(qi)內部模塊化(hua)集成設計(ji),美觀合理(li)。
熒光光纖(xian)測溫系統(tong)特(te)點
光纖末端探頭貼在被測體表面測量溫度
測溫(wen)光纖對電磁場干(gan)擾免疫
對高壓絕緣、防燃防爆
單點測溫、數字信號輸出(chu)
光(guang)纖探頭最(zui)小可(ke)達600um
變送器小(xiao)巧、安裝簡便
熒光光纖(xian)測溫(wen)探頭
光(guang)(guang)(guang)纖(xian)(xian)探頭由ST接頭、光(guang)(guang)(guang)纖(xian)(xian)光(guang)(guang)(guang)纜、末端(duan)(duan)感(gan)(gan)(gan)溫端(duan)(duan)三(san)部(bu)分組(zu)成。ST接頭是與光(guang)(guang)(guang)電(dian)模(mo)塊的(de)連接部(bu)分;光(guang)(guang)(guang)纖(xian)(xian)光(guang)(guang)(guang)纜為傳(chuan)光(guang)(guang)(guang)部(bu)分,內(nei)部(bu)為石(shi)英光(guang)(guang)(guang)纖(xian)(xian),石(shi)英光(guang)(guang)(guang)纖(xian)(xian)外部(bu)有(you)涂覆層(ceng)和包層(ceng),最外部(bu)為特氟龍保護套;末端(duan)(duan)感(gan)(gan)(gan)溫端(duan)(duan)含有(you)感(gan)(gan)(gan)溫稀土材料,用于產(chan)生(sheng)含有(you)溫度(du)信息的(de)光(guang)(guang)(guang)信號;光(guang)(guang)(guang)纖(xian)(xian)整體耐200℃高溫,外表直徑(jing)(jing)為3mm。長(chang)期彎曲半徑(jing)(jing)13.2cm。短期彎曲半徑(jing)(jing)4.4cm。光(guang)(guang)(guang)纖(xian)(xian)引出線對(dui)地(di)距離為0.4m的(de)情(qing)況下,耐受工頻電(dian)壓100KV,持續時間5min