熱電阻、熱電偶一體化溫度變送器

概述(shu)

JLSBW系(xi)列熱(re)電(dian)(dian)(dian)(dian)(dian)偶(ou)(ou)、熱(re)電(dian)(dian)(dian)(dian)(dian)阻溫(wen)度(du)變送(song)(song)器(qi)DDZ-S系(xi)列儀表(biao)中的(de)(de)現(xian)場安裝(zhuang)(zhuang)式(shi)溫(wen)度(du)變送(song)(song)單元,將其直接安裝(zhuang)(zhuang)在(zai)熱(re)電(dian)(dian)(dian)(dian)(dian)偶(ou)(ou)、熱(re)電(dian)(dian)(dian)(dian)(dian)阻的(de)(de)接線(xian)(xian)盒內(nei)與(yu)(yu)之組成(cheng)一體化結構(gou),即形成(cheng)熱(re)電(dian)(dian)(dian)(dian)(dian)偶(ou)(ou)、熱(re)電(dian)(dian)(dian)(dian)(dian)阻一體化溫(wen)度(du)變送(song)(song)器(qi)。它采用二(er)線(xian)(xian)制(zhi)(zhi)傳送(song)(song)方(fang)式(shi)(電(dian)(dian)(dian)(dian)(dian)源輸(shu)入與(yu)(yu)信號輸(shu)出(chu)(chu)為二(er)根公用導(dao)線(xian)(xian)),輸(shu)出(chu)(chu)與(yu)(yu)被測溫(wen)度(du)成(cheng)線(xian)(xian)性的(de)(de)4-20mA電(dian)(dian)(dian)(dian)(dian)流信號。可與(yu)(yu)各種(zhong)電(dian)(dian)(dian)(dian)(dian)動位表(biao),智(zhi)能數顯儀表(biao)及(ji)計算(suan)機(ji)控(kong)制(zhi)(zhi)系(xi)統配套使用。安裝(zhuang)(zhuang)固定方(fang)式(shi)與(yu)(yu)普通(tong)裝(zhuang)(zhuang)配式(shi)、鎧裝(zhuang)(zhuang)式(shi)熱(re)電(dian)(dian)(dian)(dian)(dian)阻、熱(re)電(dian)(dian)(dian)(dian)(dian)偶(ou)(ou)相同。使用鎧裝(zhuang)(zhuang)內(nei)芯,耐壓、抗震、穩定,使用二(er)節式(shi)聯接方(fang)式(shi),可不拆(chai)卸設(she)備上(shang)套管(guan)快速更換(huan)測溫(wen)元件。帶現(xian)場顯示的(de)(de)一體溫(wen)度(du)變送(song)(song)器(qi),除實現(xian)遠距離傳輸(shu)外(wai),可方(fang)便的(de)(de)進行現(xian)場監(jian)視本產品可廣泛應(ying)用于石油(you)、化工(gong)(gong)、紡織、治金、機(ji)電(dian)(dian)(dian)(dian)(dian)、電(dian)(dian)(dian)(dian)(dian)力、航空(kong)、食品加工(gong)(gong)、醫學工(gong)(gong)程等工(gong)(gong)業(ye)生(sheng)產和科研領域

特(te)點:

★先進的(de)非(fei)線(xian)性校正電路(lu),輸出信(xin)號(hao)與被測溫度(du)成線(xian)性關系

★具有高精度(du)冷端補償電路,漂移自校系統(tong)在整個工作溫度(du)范圍內保(bao)證測量精度(du)

★*的抗干擾電路設計,保(bao)證變送(song)器在(zai)受(shou)到(dao)各種(zhong)干擾下能(neng)安全可(ke)靠(kao)地工作

★采用環(huan)氧材(cai)后封裝,耐(nai)腐蝕,抗(kang)震,可靠

★二線制導線傳輸,可省(sheng)去昂貴的補償導線費用

主要技術指(zhi)標

★輸人信(xin)號(hao):熱電偶(ou)B、S,K、E、T型熱電阻P100、Cu50

★輸出(chu)信號:與(yu)量(liang)程范圍內(nei)溫度成線(xian)性(xing)的4-20mADC電(dian)流倍號,二線(xian)制傳輸

★基本誤(wu)(wu)差:溫度傳(chuan)感(gan)器(qi)與變送器(qi)誤(wu)(wu)差之和(he)(見(jian)下表)

★電(dian)(dian)源:儀表標準(zhun)供電(dian)(dian)電(dian)(dian)壓為(wei)直流24V,允差為(wei)土10o

★負載電(dian)阻(zu)(zu):額(e)定負載電(dian)阻(zu)(zu)2500(極限負我電(dian)阻(zu)(zu)0-6000)

★工作環境:溫(wen)(wen)度(du)-25~80℃,溫(wen)(wen)度(du)

類(lei)別(bie)及參數

適用于接線

訂貨須知

★傳(chuan)感器分度號,測量范圍,總長度L及插入深度。

★是否(fou)現(xian)場顯示,是否(fou)隔爆,接線盒型式

★用兩節式(shi)還是(shi)常(chang)規型。

★安裝孔(kong)內徑(jing),固定形式及規格(公制(zhi),英制(zhi))

★傳感器(qi)內芯(xin)是普通裝配式還是鎧(kai)裝式。

★根據測(ce)量(liang)范圍(wei)、介(jie)質(zhi)情況選擇(ze)保護材質(zhi)、外徑(jing)。測(ce)量(liang)端結構(gou)有無特殊要求(qiu),如:縮徑(jing)、防腐、耐磨,耐震等

★在確定以上條件情(qing)況(kuang)下(xia),根據本系列產品型號命名進行選(xuan)型,不詳之處,請參閱(yue)樣(yang)本其它相應(ying)系列確?

具體內容詳見;熱電阻、熱電偶一體化溫度變送器