分(fen)享智(zhi)能(neng)型(xing)差壓(ya)變(bian)送(song)器(qi)應用分(fen)類(lei)及(ji)選(xuan)型(xing)介紹(shao)
點(dian)擊(ji)次(ci)數：3273 更(geng)新(xin)時(shi)間：2018-03-13
江(jiang)蘇上潤自(zi)動化(hua)儀(yi)表有(you)限公(gong)司(si)與您壹起(qi)了(le)解(jie)壓(ya)力(li)、差(cha)壓(ya)變(bian)送(song)器(qi)的應用分(fen)類(lei)及(ji)選(xuan)型(xing)介紹(shao)。
在(zai)諸類(lei)儀(yi)表中(zhong)，變(bian)送(song)器(qi)的應用zui廣(guang)泛(fan)、zui普遍(bian)，變(bian)送(song)器(qi)大(da)體分為(wei)壓(ya)力(li)變(bian)送(song)器(qi)和(he)差壓(ya)變(bian)送(song)器(qi)。變(bian)送(song)器(qi)常用來測量壓(ya)力(li)、差(cha)壓(ya)、真空、液位、流(liu)量和密(mi)度等(deng)。變(bian)送(song)器(qi)有(you)兩線制和四(si)線制之分(fen)，兩(liang)線制變(bian)送(song)器(qi)尤(you)多；有(you)智(zhi)能(neng)和非智(zhi)能(neng)之分，智(zhi)能(neng)變(bian)送(song)器(qi)漸(jian)多；有(you)氣動和電動之分，電(dian)動變(bian)送(song)器(qi)居(ju)多；另(ling)外(wai)，按(an)應用場(chang)合(he)有(you)本安型(xing)和隔爆型(xing)之分；
1.隔膜壓(ya)力(li)變(bian)送(song)器(qi)
2.3051差(cha)壓(ya)變(bian)送(song)器(qi)
3.3051壓(ya)力(li)差(cha)壓(ya)變(bian)送(song)器(qi)
差(cha)壓(ya)變(bian)送(song)器(qi)根(gen)據(ju)以下幾點(dian)選(xuan)型(xing)：
1、被(bei)測(ce)介質(zhi)對變(bian)送(song)器(qi)敏(min)感元件(jian)有(you)腐蝕(shi)作用
2、需(xu)要將(jiang)高(gao)溫被(bei)測(ce)介質(zhi)與(yu)變(bian)送(song)器(qi)隔離
3、被(bei)測(ce)介質(zhi)中(zhong)有(you)固體(ti)懸浮(fu)物或(huo)高(gao)粘(zhan)度介質(zhi)
4、被(bei)測(ce)介質(zhi)由(you)引(yin)壓(ya)管(guan)引同(tong)時(shi)易(yi)固化(hua)或(huo)結(jie)晶
5、更(geng)換(huan)被(bei)測(ce)介質(zhi)需(xu)嚴格凈(jing)化(hua)測(ce)量頭
6、測量頭必須保(bao)持(chi)衛生，嚴禁(jin)汙(wu)染。使(shi)用對象(xiang)：腐蝕(shi)性(xing)或(huo)粘(zhan)性(xing)的液體(ti)
註意(yi)：真空場(chang)合(he)不宜采用遠(yuan)傳變(bian)送(song)器(qi)。
7.使(shi)用環境(jing)溫(wen)度-20~50℃;
8.外(wai)殼(ke)表(biao)面(mian)溫(wen)度不超(chao)過表(biao)3的規定(環境(jing)50℃)
綜上(shang)所(suo)述，江(jiang)蘇上潤自(zi)動化(hua)儀(yi)表有(you)限公(gong)司(si)的變(bian)送(song)器(qi)的選(xuan)型(xing)，從技術(shu)上要可行(xing)，經(jing)濟(ji)上(shang)要合(he)理(li)，管(guan)理(li)上要方(fang)便。
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