儀(yi)器儀(yi)表常(chang)見的(de)(de)幾種(zhong)防爆型(xing)(xing)(xing)式(shi)：分類解(jie)析【正壓(ya)(ya)型(xing)(xing)(xing)“p”正壓(ya)(ya)型(xing)(xing)(xing)防爆型(xing)(xing)(xing)式(shi)】是(shi)通過(guo)保持設備(bei)外殼內(nei)部保護(hu)氣(qi)體(ti)(ti)的(de)(de)壓(ya)(ya)力高于周(zhou)圍性(xing)(xing)環境(jing)壓(ya)(ya)力。以(yi)(yi)達到安全(quan)(quan)的(de)(de)目的(de)(de)。正壓(ya)(ya)設備(bei)保護(hu)型(xing)(xing)(xing)式(shi)包括在(zai)系(xi)統內(nei)部保護(hu)靜(jing)態正壓(ya)(ya)，和持持續的(de)(de)空氣(qi)或(huo)惰性(xing)(xing)氣(qi)體(ti)(ti)流動，以(yi)(yi)限制(zhi)可燃(ran)性(xing)(xing)混合物進入外殼內(nei)部。【本安型(xing)(xing)(xing)“i”本質安全(quan)(quan)型(xing)(xing)(xing)防爆型(xing)(xing)(xing)式(shi)】是(shi)在(zai)設備(bei)內(nei)部的(de)(de)所有電(dian)路(lu)都是(shi)由在(zai)標(biao)準規定(ding)(ding)條(tiao)件(jian)下，產生的(de)(de)任何電(dian)火花(hua)或(huo)任何熱效(xiao)應均(jun)不(bu)能(neng)點(dian)燃(ran)規定(ding)(ding)的(de)(de)性(xing)(xing)氣(qi)體(ti)(ti)環境(jing)的(de)(de)本質安全(quan)(quan)電(dian)路(lu)。主(zhu)要是(shi)通過(guo)限制(zhi)電(dian)路(lu)中的(de)(de)能(neng)量，通過(guo)可靠的(de)(de)控(kong)制(zhi)電(dian)路(lu)參數將(jiang)潛在(zai)的(de)(de)火花(hua)能(neng)量降低(di)到可點(dian)燃(ran)規定(ding)(ding)的(de)(de)氣(qi)體(ti)(ti)混合物能(neng)量以(yi)(yi)下。【油浸型(xing)(xing)(xing)“o”油浸型(xing)(xing)(xing)防爆型(xing)(xing)(xing)式(shi)】是(shi)將(jiang)整個設備(bei)或(huo)設備(bei)的(de)(de)部件(jian)浸在(zai)油內(nei)（保護(hu)液(ye)），使之不(bu)能(neng)點(dian)燃(ran)油面以(yi)(yi)上或(huo)外殼外面的(de)(de)性(xing)(xing)氣(qi)體(ti)(ti)環境(jing)。在(zai)風力發電(dian)領域中,風速傳(chuan)感裝置(zhi)也經(jing)常(chang)采取了(le)類似于溫度/濕度/氣(qi)壓(ya)(ya)三(san)合一傳(chuan)感方案.江西標(biao)準變送器

還要注意液(ye)(ye)(ye)(ye)位(wei)傳感(gan)器(qi)(qi)量(liang)程(cheng)的(de)(de)(de)大(da)小(xiao)(xiao)和接口(kou)的(de)(de)(de)要求(qiu)。投(tou)入(ru)(ru)式(shi)(shi)變(bian)送傳感(gan)器(qi)(qi)應(ying)(ying)用(yong)(yong)(yong)于水(shui)(shui)(shui)廠、污(wu)水(shui)(shui)(shui)處理場、城市供水(shui)(shui)(shui)、高樓(lou)水(shui)(shui)(shui)池、水(shui)(shui)(shui)井、礦井、工業水(shui)(shui)(shui)池、水(shui)(shui)(shui)罐、油池、油罐、水(shui)(shui)(shui)文(wen)地質(zhi)、水(shui)(shui)(shui)庫、河道、海洋(yang)等場合液(ye)(ye)(ye)(ye)位(wei)的(de)(de)(de)測(ce)量(liang)，電路采用(yong)(yong)(yong)抗干擾性號(hao)(hao)隔離放大(da)，截頻干擾設計（抗干擾能力強，防(fang)雷(lei)擊(ji)）、過壓保護(hu)，限流保護(hu)，抗沖擊(ji)，防(fang)腐(fu)等設計，受到(dao)廠家的(de)(de)(de)一致認(ren)可(ke)。投(tou)入(ru)(ru)式(shi)(shi)液(ye)(ye)(ye)(ye)位(wei)變(bian)送器(qi)(qi)正確(que)安(an)(an)(an)裝(zhuang)(zhuang)編輯投(tou)入(ru)(ru)式(shi)(shi)液(ye)(ye)(ye)(ye)位(wei)變(bian)送器(qi)(qi)使用(yong)(yong)(yong)與安(an)(an)(an)裝(zhuang)(zhuang)的(de)(de)(de)注意事項：1.液(ye)(ye)(ye)(ye)位(wei)變(bian)送器(qi)(qi)運輸(shu)、儲存時應(ying)(ying)恢復原包(bao)裝(zhuang)(zhuang)，存放在陰涼(liang)、干燥、通(tong)風的(de)(de)(de)庫房內(nei)。2.使用(yong)(yong)(yong)中(zhong)發現異(yi)常，應(ying)(ying)關掉(diao)電源，停止使用(yong)(yong)(yong)，進(jin)行(xing)(xing)檢查3.接供電電源時應(ying)(ying)嚴格按照接線說明進(jin)行(xing)(xing)連接。投(tou)入(ru)(ru)式(shi)(shi)液(ye)(ye)(ye)(ye)位(wei)變(bian)送器(qi)(qi)如何安(an)(an)(an)裝(zhuang)(zhuang)：液(ye)(ye)(ye)(ye)位(wei)計應(ying)(ying)安(an)(an)(an)裝(zhuang)(zhuang)在靜止的(de)(de)(de)深井、水(shui)(shui)(shui)池中(zhong)時，通(tong)常把(ba)內(nei)徑(jing)Φ45mm左右的(de)(de)(de)鋼(gang)管(不(bu)(bu)同(tong)(tong)高度打若干小(xiao)(xiao)孔(kong)，以(yi)便水(shui)(shui)(shui)通(tong)暢進(jin)入(ru)(ru)管內(nei))固定于水(shui)(shui)(shui)中(zhong)，然后將(jiang)投(tou)入(ru)(ru)式(shi)(shi)液(ye)(ye)(ye)(ye)位(wei)變(bian)送器(qi)(qi)放入(ru)(ru)鋼(gang)管中(zhong)即可(ke)使用(yong)(yong)(yong)。變(bian)送器(qi)(qi)的(de)(de)(de)安(an)(an)(an)裝(zhuang)(zhuang)方(fang)向為(wei)垂直，投(tou)入(ru)(ru)式(shi)(shi)安(an)(an)(an)裝(zhuang)(zhuang)位(wei)置(zhi)應(ying)(ying)遠離液(ye)(ye)(ye)(ye)體出(chu)入(ru)(ru)口(kou)及攪(jiao)拌器(qi)(qi)。在有(you)較大(da)振(zhen)動的(de)(de)(de)使用(yong)(yong)(yong)場合，可(ke)在變(bian)送器(qi)(qi)上纏繞鋼(gang)絲，利用(yong)(yong)(yong)鋼(gang)絲減震，以(yi)免拉斷電纜線。測(ce)量(liang)流動或有(you)攪(jiao)拌的(de)(de)(de)液(ye)(ye)(ye)(ye)體的(de)(de)(de)液(ye)(ye)(ye)(ye)位(wei)時，通(tong)常把(ba)內(nei)徑(jing)Φ45mm左右的(de)(de)(de)鋼(gang)管(在液(ye)(ye)(ye)(ye)體流向的(de)(de)(de)反面不(bu)(bu)同(tong)(tong)高度打若干小(xiao)(xiao)孔(kong)。管道式(shi)(shi)變(bian)送器(qi)(qi)現貨變(bian)送器(qi)(qi)可(ke)以(yi)將(jiang)壓力、溫度、流量(liang)、液(ye)(ye)(ye)(ye)位(wei)等各種(zhong)物理量(liang)轉換(huan)為(wei)標準信號(hao)(hao)輸(shu)出(chu)。

在(zai)(zai)傳(chuan)(chuan)感(gan)器和(he)(he)螺桿行(xing)程(cheng)之間可(ke)(ke)(ke)能(neng)會產(chan)生熔(rong)融物(wu)(wu)料的(de)(de)(de)停滯區(qu)，熔(rong)料在(zai)(zai)那里有(you)可(ke)(ke)(ke)能(neng)產(chan)生降解，壓(ya)(ya)力(li)(li)信號也(ye)可(ke)(ke)(ke)能(neng)傳(chuan)(chuan)遞(di)失(shi)真；如果傳(chuan)(chuan)感(gan)器過(guo)于深入機(ji)筒(tong)，螺桿有(you)可(ke)(ke)(ke)能(neng)在(zai)(zai)旋轉過(guo)程(cheng)中(zhong)觸(chu)碰(peng)到傳(chuan)(chuan)感(gan)器的(de)(de)(de)頂部而造(zao)成其損(sun)壞。一般(ban)來說，傳(chuan)(chuan)感(gan)器可(ke)(ke)(ke)以(yi)位于濾網前面的(de)(de)(de)機(ji)筒(tong)上(shang)、熔(rong)體泵的(de)(de)(de)前后或(huo)(huo)(huo)者模具中(zhong)。4、仔細清(qing)(qing)潔；在(zai)(zai)使(shi)用鋼絲刷(shua)或(huo)(huo)(huo)者特(te)殊化合物(wu)(wu)對擠(ji)出機(ji)機(ji)筒(tong)進(jin)行(xing)清(qing)(qing)潔前，應該將所有(you)的(de)(de)(de)傳(chuan)(chuan)感(gan)器都(dou)拆卸下來。因(yin)為這(zhe)兩(liang)種清(qing)(qing)潔方式都(dou)可(ke)(ke)(ke)能(neng)會造(zao)成傳(chuan)(chuan)感(gan)器的(de)(de)(de)震(zhen)動膜(mo)受損(sun)。當機(ji)筒(tong)被加(jia)熱時(shi)，也(ye)應該將傳(chuan)(chuan)感(gan)器拆卸下來并(bing)使(shi)用不會產(chan)生磨損(sun)的(de)(de)(de)軟布來擦拭其頂部，同時(shi)傳(chuan)(chuan)感(gan)器的(de)(de)(de)孔(kong)洞也(ye)需要用清(qing)(qing)潔的(de)(de)(de)鉆(zhan)孔(kong)機(ji)和(he)(he)導套(tao)清(qing)(qing)理干凈。壓(ya)(ya)力(li)(li)變(bian)送(song)(song)(song)器正確使(shi)用壓(ya)(ya)力(li)(li)傳(chuan)(chuan)感(gan)器使(shi)用過(guo)程(cheng)應注意考慮下列情況(kuang)：1、防(fang)(fang)止(zhi)變(bian)送(song)(song)(song)器與(yu)腐蝕性或(huo)(huo)(huo)過(guo)熱的(de)(de)(de)介質(zhi)(zhi)接觸(chu)；2、防(fang)(fang)止(zhi)渣(zha)滓在(zai)(zai)導管(guan)(guan)內沉(chen)(chen)積；3、測量(liang)液體壓(ya)(ya)力(li)(li)時(shi)，取(qu)壓(ya)(ya)口應開在(zai)(zai)流(liu)程(cheng)管(guan)(guan)道側(ce)面，以(yi)避免沉(chen)(chen)淀積渣(zha)；4、測量(liang)氣體壓(ya)(ya)力(li)(li)時(shi)，取(qu)壓(ya)(ya)口應開在(zai)(zai)流(liu)程(cheng)管(guan)(guan)道頂端，并(bing)且變(bian)送(song)(song)(song)器也(ye)應安(an)裝(zhuang)(zhuang)在(zai)(zai)流(liu)程(cheng)管(guan)(guan)道上(shang)部，以(yi)便積累(lei)的(de)(de)(de)液體容易注入流(liu)程(cheng)管(guan)(guan)道中(zhong)；5、導壓(ya)(ya)管(guan)(guan)應安(an)裝(zhuang)(zhuang)在(zai)(zai)溫度波動小的(de)(de)(de)地方；6、測量(liang)蒸汽(qi)或(huo)(huo)(huo)其它高溫介質(zhi)(zhi)時(shi)，需接加(jia)緩沖(chong)管(guan)(guan)（盤管(guan)(guan)）等冷凝(ning)器，不應使(shi)變(bian)送(song)(song)(song)器的(de)(de)(de)工作(zuo)溫度超(chao)過(guo)極限；7、冬季(ji)發生冰凍時(shi)，安(an)裝(zhuang)(zhuang)在(zai)(zai)室外的(de)(de)(de)變(bian)送(song)(song)(song)器必(bi)需采取(qu)防(fang)(fang)凍措施。

要(yao)考慮系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)**大(da)壓(ya)力(li)(li)。一(yi)般(ban)來說，壓(ya)力(li)(li)變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)器(qi)(qi)(qi)(qi)(qi)(qi)壓(ya)力(li)(li)范圍**大(da)值應(ying)該達(da)到系(xi)(xi)(xi)統(tong)(tong)**大(da)壓(ya)力(li)(li)值的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)1．5倍(bei)。一(yi)些(xie)水壓(ya)和過(guo)(guo)程(cheng)控(kong)制(zhi)，有壓(ya)力(li)(li)尖峰或者連(lian)續的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)脈沖(chong)。這些(xie)尖峰可(ke)能(neng)(neng)會達(da)到“**大(da)”壓(ya)力(li)(li)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)5倍(bei)甚至10倍(bei)，可(ke)能(neng)(neng)造成變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)損壞。連(lian)續的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)高(gao)(gao)壓(ya)脈沖(chong)，接近或者超過(guo)(guo)變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)**大(da)額定(ding)壓(ya)力(li)(li)，會縮短(duan)變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)實用(yong)壽命。但提高(gao)(gao)變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)額定(ding)壓(ya)力(li)(li)會**變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)分(fen)(fen)辨率。可(ke)以在(zai)系(xi)(xi)(xi)統(tong)(tong)中(zhong)使用(yong)緩(huan)沖(chong)器(qi)(qi)(qi)(qi)(qi)(qi)來減(jian)弱尖峰，這會降(jiang)低傳感器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)響應(ying)速度。壓(ya)力(li)(li)變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)一(yi)般(ban)設(she)計成能(neng)(neng)在(zai)2億(yi)個(ge)周(zhou)期中(zhong)承受**大(da)壓(ya)力(li)(li)而不會降(jiang)低性能(neng)(neng)。在(zai)選(xuan)(xuan)(xuan)擇變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)時可(ke)在(zai)系(xi)(xi)(xi)統(tong)(tong)性能(neng)(neng)與變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)壽命之間找(zhao)到一(yi)個(ge)折中(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)解決(jue)方(fang)案。3．根據(ju)被測(ce)介質(zhi)(zhi)按測(ce)量(liang)介質(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)不同，可(ke)分(fen)(fen)為干燥(zao)氣(qi)體(ti)(ti)(ti)、氣(qi)體(ti)(ti)(ti)液(ye)體(ti)(ti)(ti)、強腐蝕性液(ye)體(ti)(ti)(ti)、黏稠液(ye)體(ti)(ti)(ti)、高(gao)(gao)溫氣(qi)體(ti)(ti)(ti)液(ye)體(ti)(ti)(ti)等(deng)，根據(ju)不同的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)介質(zhi)(zhi)正確(que)(que)選(xuan)(xuan)(xuan)型，有利于延長變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)使用(yong)壽命。4．根據(ju)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)**大(da)過(guo)(guo)載(zai)(zai)系(xi)(xi)(xi)統(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)**大(da)過(guo)(guo)載(zai)(zai)應(ying)小于變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)載(zai)(zai)保護極(ji)限，否(fou)則會影響變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)使用(yong)壽命甚至損壞變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)。通常壓(ya)力(li)(li)變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)安全過(guo)(guo)載(zai)(zai)壓(ya)力(li)(li)為滿量(liang)程(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)2倍(bei)。5．根據(ju)需要(yao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)準(zhun)確(que)(que)度等(deng)級(ji)變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)測(ce)量(liang)誤差(cha)(cha)按準(zhun)確(que)(que)度等(deng)級(ji)進行(xing)(xing)劃(hua)分(fen)(fen)，不同的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)準(zhun)確(que)(que)度對應(ying)不同的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)基(ji)本誤差(cha)(cha)限(以滿量(liang)程(cheng)輸出的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)百分(fen)(fen)數表示)。實際應(ying)用(yong)中(zhong)，根據(ju)測(ce)量(liang)誤差(cha)(cha)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)控(kong)制(zhi)要(yao)求并(bing)本著使用(yong)經(jing)濟的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)原則進行(xing)(xing)選(xuan)(xuan)(xuan)擇。變(bian)(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)分(fen)(fen)類和選(xuan)(xuan)(xuan)型。

壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)用(yong)于(yu)(yu)各介(jie)質壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)測(ce)量(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)儀器(qi)(qi)(qi)(qi)。壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)測(ce)量(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)準確性(xing)在(zai)(zai)(zai)很(hen)大程度(du)(du)上(shang)(shang)取(qu)(qu)(qu)決于(yu)(yu)變(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)、測(ce)量(liang)(liang)管(guan)(guan)(guan)和取(qu)(qu)(qu)壓(ya)(ya)(ya)(ya)(ya)(ya)部(bu)(bu)(bu)件(jian)的(de)(de)(de)(de)(de)(de)(de)正確安(an)裝。對于(yu)(yu)易(yi)燃、易(yi)爆場(chang)(chang)合，應(ying)(ying)選用(yong)氣(qi)動和相(xiang)應(ying)(ying)防(fang)爆等級的(de)(de)(de)(de)(de)(de)(de)電動壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)。對于(yu)(yu)易(yi)爾(er)、粘(zhan)稠(chou)、腐蝕性(xing)、汽(qi)化(hua)點(dian)低(di)的(de)(de)(de)(de)(de)(de)(de)被測(ce)介(jie)質可選擇法(fa)蘭式(shi)(shi)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)。對于(yu)(yu)測(ce)量(liang)(liang)精度(du)(du)要(yao)求(qiu)高、環境條(tiao)(tiao)件(jian)惡劣時(shi)宜選用(yong)智能式(shi)(shi)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)在(zai)(zai)(zai)某些場(chang)(chang)合，電動壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)可鐘安(an)裝在(zai)(zai)(zai)工(gong)(gong)藝(yi)管(guan)(guan)(guan)道(dao)(dao)上(shang)(shang)，無需另設(she)支架，在(zai)(zai)(zai)工(gong)(gong)藝(yi)管(guan)(guan)(guan)道(dao)(dao)上(shang)(shang)鐘安(an)裝的(de)(de)(de)(de)(de)(de)(de)條(tiao)(tiao)件(jian)是工(gong)(gong)藝(yi)過程溫(wen)度(du)(du)和環境溫(wen)度(du)(du)都應(ying)(ying)符(fu)合變(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)使用(yong)條(tiao)(tiao)件(jian)。但在(zai)(zai)(zai)一些特殊場(chang)(chang)所中安(an)裝壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)變(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)取(qu)(qu)(qu)源(yuan)時(shi)就必須注意以下(xia)幾點(dian)要(yao)求(qiu)：-測(ce)量(liang)(liang)氣(qi)體壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)時(shi)，取(qu)(qu)(qu)壓(ya)(ya)(ya)(ya)(ya)(ya)點(dian)應(ying)(ying)在(zai)(zai)(zai)工(gong)(gong)藝(yi)管(guan)(guan)(guan)道(dao)(dao)的(de)(de)(de)(de)(de)(de)(de)上(shang)(shang)半(ban)部(bu)(bu)(bu)。-測(ce)量(liang)(liang)液(ye)體壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)時(shi)，取(qu)(qu)(qu)壓(ya)(ya)(ya)(ya)(ya)(ya)點(dian)應(ying)(ying)在(zai)(zai)(zai)工(gong)(gong)藝(yi)管(guan)(guan)(guan)道(dao)(dao)的(de)(de)(de)(de)(de)(de)(de)下(xia)半(ban)部(bu)(bu)(bu)與工(gong)(gong)藝(yi)管(guan)(guan)(guan)道(dao)(dao)的(de)(de)(de)(de)(de)(de)(de)水(shui)(shui)平中心(xin)線成0℃~45℃夾(jia)角的(de)(de)(de)(de)(de)(de)(de)范圍(wei)(wei)內(nei)。-測(ce)量(liang)(liang)蒸汽(qi)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)時(shi)，取(qu)(qu)(qu)壓(ya)(ya)(ya)(ya)(ya)(ya)點(dian)取(qu)(qu)(qu)在(zai)(zai)(zai)工(gong)(gong)藝(yi)管(guan)(guan)(guan)道(dao)(dao)的(de)(de)(de)(de)(de)(de)(de)上(shang)(shang)半(ban)部(bu)(bu)(bu)以及下(xia)半(ban)部(bu)(bu)(bu)與工(gong)(gong)藝(yi)管(guan)(guan)(guan)道(dao)(dao)水(shui)(shui)平中心(xin)線成0度(du)(du)~45度(du)(du)夾(jia)角的(de)(de)(de)(de)(de)(de)(de)范圍(wei)(wei)內(nei)。-壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)取(qu)(qu)(qu)源(yuan)部(bu)(bu)(bu)件(jian)的(de)(de)(de)(de)(de)(de)(de)安(an)裝位置，應(ying)(ying)選擇在(zai)(zai)(zai)工(gong)(gong)藝(yi)介(jie)質流束穩定的(de)(de)(de)(de)(de)(de)(de)管(guan)(guan)(guan)段(duan)。-壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)取(qu)(qu)(qu)源(yuan)部(bu)(bu)(bu)件(jian)與溫(wen)度(du)(du)取(qu)(qu)(qu)源(yuan)部(bu)(bu)(bu)件(jian)在(zai)(zai)(zai)同一管(guan)(guan)(guan)道(dao)(dao)上(shang)(shang)時(shi)，壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)取(qu)(qu)(qu)源(yuan)部(bu)(bu)(bu)件(jian)應(ying)(ying)安(an)裝在(zai)(zai)(zai)溫(wen)度(du)(du)取(qu)(qu)(qu)源(yuan)件(jian)的(de)(de)(de)(de)(de)(de)(de)上(shang)(shang)游(you)側，壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)取(qu)(qu)(qu)源(yuan)部(bu)(bu)(bu)件(jian)的(de)(de)(de)(de)(de)(de)(de)端部(bu)(bu)(bu)不應(ying)(ying)超(chao)出(chu)工(gong)(gong)藝(yi)設(she)備和工(gong)(gong)藝(yi)管(guan)(guan)(guan)道(dao)(dao)的(de)(de)(de)(de)(de)(de)(de)內(nei)壁。在(zai)(zai)(zai)工(gong)(gong)業過程控制(zhi)中，變(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)起(qi)著連接傳(chuan)感器(qi)(qi)(qi)(qi)和控制(zhi)系統(tong)的(de)(de)(de)(de)(de)(de)(de)橋梁作用(yong)，實現(xian)了實時(shi)監測(ce)和控制(zhi)。管(guan)(guan)(guan)道(dao)(dao)式(shi)(shi)變(bian)(bian)送(song)(song)器(qi)(qi)(qi)(qi)現(xian)貨

壓力變送器高壓和低壓用什(shen)么**的。江西標準變送器

3051液(ye)(ye)(ye)(ye)位(wei)(wei)變(bian)送(song)(song)器(qi)_3051L液(ye)(ye)(ye)(ye)位(wei)(wei)變(bian)送(song)(song)器(qi)概述：智能(neng)型(xing)(xing)3051液(ye)(ye)(ye)(ye)位(wei)(wei)變(bian)送(song)(song)器(qi)是一(yi)種直接(jie)(jie)安(an)(an)裝(zhuang)在管道(dao)或容器(qi)上的(de)現場變(bian)送(song)(song)器(qi)。由于隔離(li)膜片(pian)直接(jie)(jie)與(yu)液(ye)(ye)(ye)(ye)體相(xiang)接(jie)(jie)處，無須將(jiang)正壓(ya)(ya)側用(yong)導壓(ya)(ya)管引出(chu)，因此可以測量高(gao)溫(wen)、高(gao)粘度(du)、易結(jie)晶、易沉淀和(he)(he)強腐蝕(shi)等(deng)(deng)介(jie)(jie)質的(de)液(ye)(ye)(ye)(ye)位(wei)(wei)、壓(ya)(ya)力和(he)(he)密度(du)，然后將(jiang)其轉換成。3051液(ye)(ye)(ye)(ye)位(wei)(wei)變(bian)送(song)(song)器(qi)分為兩大類：1、LT型(xing)(xing)--平法(fa)蘭(lan)(lan)(lan)(lan)液(ye)(ye)(ye)(ye)位(wei)(wei)變(bian)送(song)(song)器(qi)采用(yong)標(biao)準(zhun)的(de)法(fa)蘭(lan)(lan)(lan)(lan)進(jin)行(xing)安(an)(an)裝(zhuang)連接(jie)(jie)；2、ST型(xing)(xing)--衛生型(xing)(xing)液(ye)(ye)(ye)(ye)位(wei)(wei)變(bian)送(song)(song)器(qi)采用(yong)卡箍的(de)形(xing)式(shi)(shi)進(jin)行(xing)快速連接(jie)(jie)；ST型(xing)(xing)液(ye)(ye)(ye)(ye)位(wei)(wei)變(bian)送(song)(song)器(qi)的(de)插入筒，它與(yu)介(jie)(jie)質的(de)表面，經過(guo)精(jing)心的(de)加工(gong)(gong)和(he)(he)處理(li)，光潔度(du)和(he)(he)清潔度(du)皆(jie)符合衛生標(biao)準(zhun)，內部(bu)的(de)灌充液(ye)(ye)(ye)(ye)是以不污染介(jie)(jie)質為標(biao)準(zhun)，選取和(he)(he)注入的(de)，因此可以廣泛應用(yong)于食品、飲料和(he)(he)醫藥等(deng)(deng)工(gong)(gong)業部(bu)門。3051液(ye)(ye)(ye)(ye)位(wei)(wei)變(bian)送(song)(song)器(qi)_3051L液(ye)(ye)(ye)(ye)位(wei)(wei)變(bian)送(song)(song)器(qi)安(an)(an)裝(zhuang)圖(tu)：3051液(ye)(ye)(ye)(ye)位(wei)(wei)變(bian)送(song)(song)器(qi)_3051L液(ye)(ye)(ye)(ye)位(wei)(wei)變(bian)送(song)(song)器(qi)技術參數：3051液(ye)(ye)(ye)(ye)位(wei)(wei)變(bian)送(song)(song)器(qi)技術參數和(he)(he)性質類型(xing)(xing)安(an)(an)裝(zhuang)方式(shi)(shi)量程范圍（Kpa）精(jing)度(du)靜壓(ya)(ya)或過(guo)載壓(ya)(ya)力（MPa)靜壓(ya)(ya)影響(xiang)環(huan)境(jing)溫(wen)度(du)介(jie)(jie)質溫(wen)度(du)代號調整范圍LT（法(fa)蘭(lan)(lan)(lan)(lan)液(ye)(ye)(ye)(ye)位(wei)(wei)變(bian)送(song)(song)器(qi)）法(fa)蘭(lan)(lan)(lan)(lan)聯接(jie)(jie)3具體工(gong)(gong)作壓(ya)(ya)力由法(fa)蘭(lan)(lan)(lan)(lan)的(de)形(xing)式(shi)(shi)和(he)(he)規格(ge)而定±（量程3加倍）±±456ST。江(jiang)西標(biao)準(zhun)變(bian)送(song)(song)器(qi)

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