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玻璃板液位計的使用注意事項
2022-09-15 玻(bo)璃板液(ye)(ye)位(wei)計(ji)是(shi)一(yi)種(zhong)直(zhi)(zhi)讀式液(ye)(ye)位(wei)測(ce)量儀表(biao)，適用(yong)于工業生產過程中一(yi)般貯液(ye)(ye)設備(bei)中的液(ye)(ye)體(ti)(ti)位(wei)置的現場檢測(ce)。可(ke)用(yong)來直(zhi)(zhi)接(jie)指示(shi)(shi)密(mi)封(feng)容(rong)器(qi)(qi)(qi)中的液(ye)(ye)位(wei)高(gao)度(du)，具有結構(gou)簡單(dan)，直(zhi)(zhi)觀可(ke)靠，經久耐(nai)用(yong)等優點(dian)，但(dan)容(rong)器(qi)(qi)(qi)中的介質必(bi)須是(shi)與(yu)鋼、鋼紙及石墨壓環不起(qi)腐蝕作用(yong)的，可(ke)適用(yong)于直(zhi)(zhi)接(jie)指示(shi)(shi)各種(zhong)塔(ta)、罐、槽、箱等容(rong)器(qi)(qi)(qi)內介質液(ye)(ye)位(wei)。玻(bo)璃板液(ye)(ye)位(wei)計(ji)根據連通(tong)器(qi)(qi)(qi)原(yuan)理，將容(rong)器(qi)(qi)(qi)內介質液(ye)(ye)體(ti)(ti)引(yin)至外部玻(bo)璃板液(ye)(ye)位(wei)計(ji)內，通(tong)過透(tou)明(ming)玻(bo)璃直(zhi)(zhi)接(jie)顯示(shi)(shi)容(rong)器(qi)(qi)(qi)內液(ye)(ye)位(wei)實際高(gao)度(du)，儀表(biao)閥桿(gan)密(mi)封(feng)填料采用(yong)柔性(xing)石墨壓環，密(mi)封(feng)性(xing)能(neng)可(ke)靠。按工作原(yuan)理可(ke)分為(wei)：透(tou)光式和反射式兩種(zhong)類型，具體(ti)(ti)...
鎧裝熱電偶在安裝的時候要注意哪些事項？
2022-09-13 鎧(kai)(kai)裝熱(re)(re)電偶(ou)就(jiu)是(shi)用(yong)(yong)兩種(zhong)不(bu)同(tong)(tong)(tong)成(cheng)份(fen)的(de)導體焊(han)接(jie)(jie)在一(yi)起(qi)，兩端(duan)(duan)溫(wen)度(du)(du)不(bu)同(tong)(tong)(tong)時(shi)(shi)，在回(hui)路中就(jiu)會有熱(re)(re)電勢(shi)產生，因此勢(shi)電偶(ou)是(shi)通過測量電勢(shi)從而(er)測量溫(wen)度(du)(du)的(de)一(yi)種(zhong)感溫(wen)原件，它是(shi)一(yi)種(zhong)變(bian)換器，它能將溫(wen)度(du)(du)信號(hao)轉變(bian)為電信號(hao)再由顯示(shi)儀表(biao)顯示(shi)出來(lai)。鎧(kai)(kai)裝熱(re)(re)電偶(ou)測量溫(wen)度(du)(du)的(de)基本原理(li)是(shi)熱(re)(re)電效(xiao)應(ying)，將兩種(zhong)不(bu)同(tong)(tong)(tong)成(cheng)份(fen)的(de)金屬導體首尾相連接(jie)(jie)成(cheng)閉合(he)回(hui)路，如(ru)兩接(jie)(jie)點的(de)溫(wen)度(du)(du)不(bu)等，則(ze)在回(hui)路中就(jiu)會產生熱(re)(re)電動勢(shi)，形成(cheng)熱(re)(re)電流，這(zhe)就(jiu)是(shi)熱(re)(re)電效(xiao)應(ying)。熱(re)(re)電偶(ou)就(jiu)是(shi)將兩種(zhong)不(bu)同(tong)(tong)(tong)的(de)金屬材料一(yi)端(duan)(duan)焊(han)接(jie)(jie)而(er)成(cheng)，焊(han)接(jie)(jie)的(de)一(yi)端(duan)(duan)叫做(zuo)測量端(duan)(duan)，未焊(han)接(jie)(jie)的(de)一(yi)端(duan)(duan)叫做(zuo)參考端(duan)(duan)，參考端(duan)(duan)在使(shi)用(yong)(yong)時(shi)(shi)通常恒定在...
電磁流量計對安裝場所有哪些特殊要求？
2022-08-28 電(dian)(dian)磁(ci)流(liu)(liu)量(liang)計(ji)是由傳感(gan)器(qi)(qi)和轉(zhuan)換器(qi)(qi)兩(liang)部分構成。它是基于(yu)(yu)(yu)(yu)法拉(la)第電(dian)(dian)磁(ci)感(gan)應(ying)定律工(gong)作的(de)，用(yong)來測(ce)(ce)量(liang)電(dian)(dian)導率大于(yu)(yu)(yu)(yu)5μS/cm導電(dian)(dian)液體(ti)(ti)的(de)體(ti)(ti)積流(liu)(liu)量(liang)，是一種(zhong)測(ce)(ce)量(liang)導電(dian)(dian)介質(zhi)體(ti)(ti)積流(liu)(liu)量(liang)的(de)感(gan)應(ying)式儀表。除可(ke)(ke)測(ce)(ce)量(liang)一般(ban)導電(dian)(dian)液體(ti)(ti)的(de)體(ti)(ti)積流(liu)(liu)量(liang)外，還可(ke)(ke)用(yong)于(yu)(yu)(yu)(yu)測(ce)(ce)量(liang)強(qiang)(qiang)酸強(qiang)(qiang)堿等(deng)強(qiang)(qiang)腐(fu)蝕(shi)液體(ti)(ti)和泥(ni)漿、礦漿、紙漿等(deng)均勻的(de)液固兩(liang)相懸浮(fu)液體(ti)(ti)的(de)體(ti)(ti)積流(liu)(liu)量(liang)。廣泛應(ying)用(yong)于(yu)(yu)(yu)(yu)石(shi)油、化工(gong)、冶金、環(huan)保、食品(pin)等(deng)工(gong)業部門及(ji)(ji)市政管理，水利建設、河流(liu)(liu)疏浚等(deng)領(ling)域的(de)流(liu)(liu)量(liang)計(ji)量(liang)。電(dian)(dian)磁(ci)流(liu)(liu)量(liang)計(ji)使(shi)用(yong)分類(lei)：1、通用(yong)型(xing)用(yong)于(yu)(yu)(yu)(yu)冶金、石(shi)化、造紙、輕紡、給排水、污(wu)水處理以及(ji)(ji)醫藥、食品(pin)、生物和精細(xi)...
為什么電磁流量計深受大家喜歡？主要是這6個優勢
2022-08-22 電(dian)(dian)(dian)(dian)(dian)磁(ci)流(liu)量(liang)計是(shi)經過不(bu)斷(duan)升級改良的高精(jing)度、高可靠性產品，該流(liu)量(liang)計在勵(li)磁(ci)技術(shu)，內(nei)(nei)(nei)襯技術(shu)，智能化技術(shu)方面達到了(le)國內(nei)(nei)(nei)高水平。電(dian)(dian)(dian)(dian)(dian)磁(ci)流(liu)量(liang)計適(shi)用(yong)于測(ce)(ce)酸、堿(jian)、鹽溶液、泥漿、紙漿、廢水等導(dao)電(dian)(dian)(dian)(dian)(dian)介(jie)質的體積(ji)流(liu)量(liang)。它(ta)的測(ce)(ce)量(liang)原理：它(ta)是(shi)基于法拉第電(dian)(dian)(dian)(dian)(dian)磁(ci)感(gan)(gan)應定律(lv)，在電(dian)(dian)(dian)(dian)(dian)磁(ci)流(liu)量(liang)計中(zhong)(zhong)，測(ce)(ce)量(liang)管內(nei)(nei)(nei)的導(dao)電(dian)(dian)(dian)(dian)(dian)介(jie)質相當(dang)于法拉第試(shi)驗中(zhong)(zhong)的導(dao)電(dian)(dian)(dian)(dian)(dian)金屬桿，上下兩端(duan)的兩個(ge)電(dian)(dian)(dian)(dian)(dian)磁(ci)線圈產生(sheng)恒定磁(ci)場。當(dang)有導(dao)電(dian)(dian)(dian)(dian)(dian)介(jie)質流(liu)過時(shi)，則會產生(sheng)感(gan)(gan)應電(dian)(dian)(dian)(dian)(dian)壓。管道內(nei)(nei)(nei)部的兩個(ge)電(dian)(dian)(dian)(dian)(dian)極測(ce)(ce)量(liang)產生(sheng)的感(gan)(gan)應電(dian)(dian)(dian)(dian)(dian)壓。測(ce)(ce)量(liang)管道通過不(bu)導(dao)電(dian)(dian)(dian)(dian)(dian)的內(nei)(nei)(nei)襯（橡膠(jiao)，特氟隆等）實現與流(liu)體和測(ce)(ce)量(liang)電(dian)(dian)(dian)(dian)(dian)極的電(dian)(dian)(dian)(dian)(dian)磁(ci)隔離。...
一文讀懂浮球液位計的工作原理
2022-08-17 隨(sui)著生產(chan)自(zi)動化(hua)(hua)水平的(de)(de)(de)(de)日益提高，在工業(ye)生產(chan)中對于(yu)液(ye)(ye)(ye)(ye)(ye)(ye)位(wei)的(de)(de)(de)(de)測(ce)(ce)(ce)量(liang)與控(kong)制也日益普遍。對容器(qi)中液(ye)(ye)(ye)(ye)(ye)(ye)體介質位(wei)置高低進行連續性測(ce)(ce)(ce)量(liang)的(de)(de)(de)(de)儀表就是(shi)液(ye)(ye)(ye)(ye)(ye)(ye)位(wei)計(ji)。浮球(qiu)液(ye)(ye)(ye)(ye)(ye)(ye)位(wei)計(ji)是(shi)以(yi)磁浮球(qiu)為測(ce)(ce)(ce)量(liang)元件，通過磁耦合作用，使傳(chuan)感器(qi)內電(dian)阻成(cheng)(cheng)線性變(bian)化(hua)(hua)，由智能轉換器(qi)將電(dian)阻變(bian)化(hua)(hua)轉換成(cheng)(cheng)4~20mA標準電(dian)流(liu)信號(hao)(hao)，并疊加HART信號(hao)(hao)輸出(chu)或就地液(ye)(ye)(ye)(ye)(ye)(ye)晶顯示，可(ke)現場顯示液(ye)(ye)(ye)(ye)(ye)(ye)位(wei)的(de)(de)(de)(de)百(bai)分(fen)比、4~20mA電(dian)流(liu)及(ji)液(ye)(ye)(ye)(ye)(ye)(ye)位(wei)值，遠傳(chuan)供給控(kong)制室可(ke)實現液(ye)(ye)(ye)(ye)(ye)(ye)位(wei)的(de)(de)(de)(de)自(zi)動檢測(ce)(ce)(ce)、控(kong)制和記錄(lu)。廣泛應用于(yu)粘稠、臟(zang)污、易燃易爆及(ji)腐蝕性介質以(yi)及(ji)其(qi)它介質液(ye)(ye)(ye)(ye)(ye)(ye)位(wei)的(de)(de)(de)(de)測(ce)(ce)(ce)量(liang)及(ji)液(ye)(ye)(ye)(ye)(ye)(ye)位(wei)信號(hao)(hao)的(de)(de)(de)(de)變(bian)送(song)，是(shi)石...
同普通熱電偶相比，鎧裝熱電偶有以下5大優點
2022-08-12 鎧(kai)裝(zhuang)熱(re)(re)(re)(re)電(dian)偶(ou)是一種測溫(wen)元件，它可以把溫(wen)度(du)(du)型號轉換(huan)成熱(re)(re)(re)(re)電(dian)勢(shi)信號，通過(guo)儀表轉換(huan)成被測試的(de)溫(wen)度(du)(du)，熱(re)(re)(re)(re)電(dian)偶(ou)的(de)原理我們之前(qian)介紹過(guo)了(le)這(zhe)就不做太多(duo)的(de)解(jie)釋。本(ben)產品的(de)線性度(du)(du)良好，熱(re)(re)(re)(re)電(dian)動勢(shi)相對比較大，而且靈敏度(du)(du)非常的(de)高(gao)(gao)，穩(wen)定(ding)性和(he)均勻性也更加上乘，這(zhe)就是為什么鎧(kai)裝(zhuang)熱(re)(re)(re)(re)電(dian)偶(ou)被廣泛(fan)應用的(de)原因，它的(de)熱(re)(re)(re)(re)電(dian)動勢(shi)和(he)靈敏度(du)(du)是其(qi)他測溫(wen)元件不能(neng)(neng)相比的(de)，對于高(gao)(gao)溫(wen)濕度(du)(du)氣氛的(de)腐蝕(shi)卻不是太靈敏，所以適用于溫(wen)度(du)(du)較高(gao)(gao)的(de)環境(jing)，鎧(kai)裝(zhuang)熱(re)(re)(re)(re)電(dian)偶(ou)的(de)穩(wen)定(ding)性是所有熱(re)(re)(re)(re)電(dian)偶(ou)產品中好的(de)，而且關鍵的(de)優(you)點是他抗氧(yang)化的(de)能(neng)(neng)力十分突出。鎧(kai)裝(zhuang)熱(re)(re)(re)(re)電(dian)偶(ou)根據熱(re)(re)(re)(re)電(dian)勢(shi)和(he)溫(wen)度(du)(du)函...
鎧裝防爆熱電偶與普通熱電偶有什么不同？區別在哪？
2022-08-04 鎧(kai)裝防爆熱電(dian)(dian)(dian)偶(ou)是(shi)一(yi)種常用在工(gong)業(ye)上的(de)溫度傳感器，它(ta)可(ke)以直(zhi)接(jie)測量各種生(sheng)產(chan)過程中的(de)-200℃～800℃范(fan)圍(wei)內的(de)液體、蒸(zheng)汽(qi)和氣體介質以及固體表(biao)面的(de)溫度。本產(chan)品具有結構(gou)簡單、體積小、輸出信(xin)號大等(deng)優點(dian)，因而在石油、化工(gong)等(deng)工(gong)業(ye)中得到(dao)廣泛(fan)應(ying)用。那么(me)(me)鎧(kai)裝防爆熱電(dian)(dian)(dian)偶(ou)與(yu)普(pu)通熱電(dian)(dian)(dian)偶(ou)有什么(me)(me)區(qu)(qu)別呢？下面我們(men)就(jiu)來詳(xiang)細了解一(yi)下！鎧(kai)裝防爆熱電(dian)(dian)(dian)偶(ou)的(de)兩(liang)根電(dian)(dian)(dian)極由(you)不同導體材質組成。當測量端與(yu)參比端存在溫差時，就(jiu)會產(chan)生(sheng)熱電(dian)(dian)(dian)動(dong)(dong)勢(shi)，工(gong)作儀(yi)表(biao)便顯(xian)示出熱電(dian)(dian)(dian)動(dong)(dong)勢(shi)所對(dui)應(ying)的(de)溫度值。鎧(kai)裝防爆熱電(dian)(dian)(dian)偶(ou)與(yu)普(pu)通熱電(dian)(dian)(dian)偶(ou)的(de)區(qu)(qu)別是(shi)什么(me)(me)？1.結構(gou)的(de)對(dui)...
關于天康熱電阻的測溫原理，這里有詳細說明
2022-07-26 天(tian)(tian)康(kang)熱(re)(re)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)測(ce)溫(wen)(wen)(wen)(wen)(wen)(wen)原理與熱(re)(re)電(dian)(dian)偶的(de)測(ce)溫(wen)(wen)(wen)(wen)(wen)(wen)原理不同的(de)是(shi)，它是(shi)基于電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)熱(re)(re)效應進行溫(wen)(wen)(wen)(wen)(wen)(wen)度(du)測(ce)量的(de)，即(ji)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)體(ti)的(de)阻(zu)(zu)(zu)(zu)(zu)值隨溫(wen)(wen)(wen)(wen)(wen)(wen)度(du)的(de)變(bian)(bian)化而變(bian)(bian)化的(de)特(te)性。因此，只(zhi)要(yao)測(ce)量出感溫(wen)(wen)(wen)(wen)(wen)(wen)熱(re)(re)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)阻(zu)(zu)(zu)(zu)(zu)值變(bian)(bian)化，就(jiu)可(ke)以(yi)測(ce)量出溫(wen)(wen)(wen)(wen)(wen)(wen)度(du)。主要(yao)有天(tian)(tian)康(kang)熱(re)(re)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)和(he)半導體(ti)熱(re)(re)敏(min)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)兩類。天(tian)(tian)康(kang)熱(re)(re)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)值和(he)溫(wen)(wen)(wen)(wen)(wen)(wen)度(du)一(yi)般可(ke)以(yi)用(yong)以(yi)下的(de)近似關(guan)系(xi)式(shi)表示，即(ji)Rt=Rt0[1+α（t-t0）]式(shi)中，Rt為溫(wen)(wen)(wen)(wen)(wen)(wen)度(du)t時的(de)阻(zu)(zu)(zu)(zu)(zu)值；Rt0為溫(wen)(wen)(wen)(wen)(wen)(wen)度(du)t0（通常t0=0℃）時對應電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)值；α為溫(wen)(wen)(wen)(wen)(wen)(wen)度(du)系(xi)數(shu)。半導體(ti)熱(re)(re)敏(min)電(dian)(dian)阻(zu)(zu)(zu)(zu)(zu)的(de)阻(zu)(zu)(zu)(zu)(zu)值和(he)溫(wen)(wen)(wen)(wen)(wen)(wen)度(du)關(guan)系(xi)為：Rt=AeB/t式(shi)中Rt為溫(wen)(wen)(wen)(wen)(wen)(wen)度(du)為t時的(de)阻(zu)(zu)(zu)(zu)(zu)值；A...

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