熱電阻、熱電偶一體化溫度變送器
概述
JLSBW系(xi)列熱(re)(re)電(dian)(dian)偶、熱(re)(re)電(dian)(dian)阻(zu)(zu)溫(wen)(wen)度(du)變送(song)器(qi)DDZ-S系(xi)列儀表(biao)(biao)中(zhong)的(de)(de)現(xian)(xian)場安裝(zhuang)式(shi)溫(wen)(wen)度(du)變送(song)單元,將其(qi)直接安裝(zhuang)在熱(re)(re)電(dian)(dian)偶、熱(re)(re)電(dian)(dian)阻(zu)(zu)的(de)(de)接線(xian)(xian)盒(he)內與(yu)之(zhi)組成(cheng)一體(ti)(ti)化結(jie)構,即形成(cheng)熱(re)(re)電(dian)(dian)偶、熱(re)(re)電(dian)(dian)阻(zu)(zu)一體(ti)(ti)化溫(wen)(wen)度(du)變送(song)器(qi)。它采用(yong)(yong)(yong)二(er)線(xian)(xian)制(zhi)傳(chuan)送(song)方(fang)式(shi)(電(dian)(dian)源輸(shu)入與(yu)信(xin)號(hao)輸(shu)出(chu)為二(er)根公(gong)用(yong)(yong)(yong)導線(xian)(xian)),輸(shu)出(chu)與(yu)被(bei)測溫(wen)(wen)度(du)成(cheng)線(xian)(xian)性的(de)(de)4-20mA電(dian)(dian)流信(xin)號(hao)。可(ke)與(yu)各種(zhong)電(dian)(dian)動位(wei)表(biao)(biao),智能數顯儀表(biao)(biao)及計算機(ji)控制(zhi)系(xi)統配(pei)套(tao)使(shi)(shi)用(yong)(yong)(yong)。安裝(zhuang)固定(ding)方(fang)式(shi)與(yu)普通裝(zhuang)配(pei)式(shi)、鎧(kai)裝(zhuang)式(shi)熱(re)(re)電(dian)(dian)阻(zu)(zu)、熱(re)(re)電(dian)(dian)偶相(xiang)同。使(shi)(shi)用(yong)(yong)(yong)鎧(kai)裝(zhuang)內芯(xin),耐壓(ya)、抗震、穩定(ding),使(shi)(shi)用(yong)(yong)(yong)二(er)節式(shi)聯接方(fang)式(shi),可(ke)不拆(chai)卸設備(bei)上套(tao)管快速更(geng)換(huan)測溫(wen)(wen)元件。帶(dai)現(xian)(xian)場顯示的(de)(de)一體(ti)(ti)溫(wen)(wen)度(du)變送(song)器(qi),除實現(xian)(xian)遠距離(li)傳(chuan)輸(shu)外,可(ke)方(fang)便的(de)(de)進行現(xian)(xian)場監(jian)視(shi)本產品可(ke)廣泛應用(yong)(yong)(yong)于石油(you)、化工、紡(fang)織、治(zhi)金(jin)、機(ji)電(dian)(dian)、電(dian)(dian)力、航(hang)空(kong)、食品加工、醫(yi)學工程(cheng)等工業(ye)生產和科研(yan)領域
特點:
★先進的非線(xian)性校正(zheng)電(dian)路(lu),輸出(chu)信號(hao)與被測溫(wen)度成線(xian)性關系
★具(ju)有(you)高精(jing)度冷端補償電路(lu),漂移自校系統在整個工作(zuo)溫度范圍內保證(zheng)測量(liang)精(jing)度
★*的(de)抗干(gan)擾電路設計(ji),保證變送器(qi)在受到各種干(gan)擾下能安全可靠地工作
★采用環氧(yang)材后封裝,耐腐蝕,抗震,可靠
★二線制導(dao)(dao)線傳輸,可省去昂貴的補償導(dao)(dao)線費用
主要技術指標
★輸(shu)人信(xin)號:熱(re)電偶B、S,K、E、T型熱(re)電阻(zu)P100、Cu50
★輸出信號:與量程(cheng)范(fan)圍內溫度成(cheng)線性的4-20mADC電流(liu)倍號,二(er)線制傳輸
★基本(ben)誤(wu)差:溫(wen)度傳感器與變(bian)送器誤(wu)差之和(見(jian)下表)
★電(dian)源:儀(yi)表標(biao)準供電(dian)電(dian)壓為(wei)直流24V,允(yun)差為(wei)土10o
★負載電阻(zu):額定負載電阻(zu)2500(極限負我(wo)電阻(zu)0-6000)
★工(gong)作環境:溫度-25~80℃,溫度
類別及參數
適用于接線(xian)
訂貨須知(zhi)
★傳感(gan)器(qi)分度號,測量(liang)范圍,總(zong)長度L及插(cha)入深度。
★是(shi)(shi)否(fou)現場顯示,是(shi)(shi)否(fou)隔爆,接線(xian)盒(he)型式
★用(yong)兩(liang)節式還是常規型。
★安裝孔內(nei)徑,固定形式及規格(公制,英制)
★傳感器(qi)內(nei)芯是普通裝配式還是鎧裝式。
★根據(ju)測量(liang)范(fan)圍、介質情況選擇保護(hu)材質、外(wai)徑。測量(liang)端結構有無特殊要(yao)求,如(ru):縮徑、防腐、耐磨,耐震等
★在確定(ding)以上條件情況下,根據本(ben)系(xi)列(lie)(lie)產品型號命名進行選型,不(bu)詳之(zhi)處,請參閱樣本(ben)其它相應系(xi)列(lie)(lie)確?
具體(ti)(ti)內容詳見;