防(fang)爆(bao)熱(re)電(dian)偶WRN-441B輸(shu)出(chu)信號(hao)：4~20mA，負(fu)載電(dian)阻(zu)(zu)(zu)250Ω傳輸(shu)導線(xian)電(dian)阻(zu)(zu)(zu)100Ω 輸(shu)出(chu)方法(fa)：二線(xian)制 防(fang)護等級：IP65 絕緣電(dian)阻(zu)(zu)(zu)：儀(yi)表(biao)(biao)(biao)(biao)輸(shu)出(chu)接線(xian)端子與外殼之間(jian)的(de)(de)絕緣電(dian)阻(zu)(zu)(zu)應(ying)(ying)不(bu)少(shao)于50Ω 精度等級：溫(wen)(wen)度變(bian)(bian)送(song)器(qi)(qi)(qi)精度等級：0.1；0.2；0.5 顯示器(qi)(qi)(qi)精度：模(mo)擬指示2.5級；數字顯示1.0級 供電(dian)電(dian)源：±10% 防(fang)爆(bao)等級： 防(fang)爆(bao)熱(re)電(dian)偶WRN-441B隔爆(bao)型：dⅡBT4，dⅡCT5,dⅡCT6 本(ben)質**型：iaⅡCT6 熱(re)響(xiang)應(ying)(ying)時(shi)間(jian)：當溫(wen)(wen)度出(chu)現階(jie)躍(yue)(yue)變(bian)(bian)化(hua)(hua)時(shi)，儀(yi)表(biao)(biao)(biao)(biao)的(de)(de)電(dian)流輸(shu)出(chu)信號(hao)變(bian)(bian)化(hua)(hua)至相當于該階(jie)躍(yue)(yue)的(de)(de)50%所需的(de)(de)時(shi)間(jian)，通(tong)常以t0.5表(biao)(biao)(biao)(biao)示當溫(wen)(wen)度變(bian)(bian)送(song)器(qi)(qi)(qi)的(de)(de)階(jie)躍(yue)(yue)響(xiang)應(ying)(ying)穩(wen)定(ding)時(shi)間(jian)不(bu)超過(guo)(guo)熱(re)電(dian)阻(zu)(zu)(zu)熱(re)相應(ying)(ying)穩(wen)定(ding)時(shi)間(jian)t0.5的(de)(de)五(wu)分之一(yi)時(shi)，則(ze)用熱(re)電(dian)阻(zu)(zu)(zu)熱(re)響(xiang)應(ying)(ying)時(shi)間(jian)作為(wei)儀(yi)表(biao)(biao)(biao)(biao)的(de)(de)熱(re)響(xiang)應(ying)(ying)時(shi)間(jian)；當溫(wen)(wen)度變(bian)(bian)送(song)器(qi)(qi)(qi)的(de)(de)階(jie)躍(yue)(yue)響(xiang)應(ying)(ying)穩(wen)定(ding)時(shi)間(jian)不(bu)超過(guo)(guo)熱(re)電(dian)阻(zu)(zu)(zu)熱(re)響(xiang)應(ying)(ying)穩(wen)定(ding)時(shi)間(jian)t0.5的(de)(de)二分之一(yi)時(shi)，則(ze)用溫(wen)(wen)度變(bian)(bian)送(song)器(qi)(qi)(qi)熱(re)響(xiang)應(ying)(ying)時(shi)間(jian)作為(wei)儀(yi)表(biao)(biao)(biao)(biao)的(de)(de)熱(re)響(xiang)應(ying)(ying)時(shi)間(jian)。 基(ji)(ji)(ji)本(ben)誤(wu)差：儀(yi)表(biao)(biao)(biao)(biao)的(de)(de)基(ji)(ji)(ji)本(ben)誤(wu)差應(ying)(ying)不(bu)超過(guo)(guo)熱(re)電(dian)阻(zu)(zu)(zu)和溫(wen)(wen)度變(bian)(bian)送(song)器(qi)(qi)(qi)基(ji)(ji)(ji)本(ben)誤(wu)差的(de)(de)合(he)成(cheng)誤(wu)差 △ =△1+△2 △ 1表(biao)(biao)(biao)(biao)示熱(re)電(dian)阻(zu)(zu)(zu)允許偏差； △ 2表(biao)(biao)(biao)(biao)示變(bian)(bian)送(song)器(qi)(qi)(qi)基(ji)(ji)(ji)本(ben)誤(wu)差；

防爆熱電偶WRN-440B 長度300型號命名方法：

注：以上型號為不帶顯示表頭

帶表頭顯示分為數字表頭顯示（S）和模擬表頭顯示（M）兩種， 型號表示方法如：WRMB-74S; WRMB-74M;WRNB-240S;WRNB-240M
1、熱電偶Ⅰ級，熱電阻按協議訂貨
2、保護管材質為1Cr18Ni9Ti，其余材質根據協議訂貨

安徽天(tian)康是中國*大的溫(wen)度儀(yi)表和電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜(lan)(lan)生產(chan)(chan)基地，產(chan)(chan)品(pin)儀(yi)表類有：熱電(dian)(dian)(dian)(dian)阻，熱電(dian)(dian)(dian)(dian)偶，雙金(jin)屬溫(wen)度計、液位計 壓力(li)(li)(li)表 壓力(li)(li)(li)變送器(qi) ，一體化溫(wen)度變送器(qi)，無(wu)紙記錄儀(yi)，等(deng)產(chan)(chan)品(pin)。產(chan)(chan)品(pin)電(dian)(dian)(dian)(dian)纜(lan)(lan)類有：電(dian)(dian)(dian)(dian)力(li)(li)(li)電(dian)(dian)(dian)(dian)纜(lan)(lan)，控制(zhi)電(dian)(dian)(dian)(dian)纜(lan)(lan)，耐火電(dian)(dian)(dian)(dian)纜(lan)(lan) 計算機電(dian)(dian)(dian)(dian)纜(lan)(lan)，光纖光纜(lan)(lan)，數據電(dian)(dian)(dian)(dian)纜(lan)(lan)，熱電(dian)(dian)(dian)(dian)偶補償導線，等(deng)產(chan)(chan)品(pin)。