3051防爆智能壓(ya)力變送(song)器現(xian)貨(huo)報(bao)價產品(pin)利用(yong)差動(dong)電(dian)容檢(jian)測原理，當兩(liang)側(ce)壓(ya)力不*時(shi)，致使(shi)容室(shi)中測量(liang)膜片產生位(wei)移(yi)，其(qi)位(wei)移(yi)量(liang)與(yu)壓(ya)力差成(cheng)正(zheng)比，通過(guo)電(dian)路處(chu)理將電容(rong)變化(hua)量(liang)轉換(huan)成4～20mA的二線制電(dian)流(liu)信(xin)號(hao)。該變(bian)送(song)器具(ju)有(you)堅固抗振(zhen)、量(liang)程(cheng)、零(ling)點和阻(zu)尼現(xian)場(chang)連(lian)續(xu)可調。

3051防爆智能壓(ya)力變送(song)器現(xian)貨(huo)報(bao)價具(ju)有(you)現(xian)場(chang)安(an)裝(zhuang)式(shi)，防爆和全(quan)天(tian)侯(hou)結(jie)構(gou)的工業用(yong)電容(rong)式(shi)壓(ya)力∕差壓(ya)∕流(liu)量(liang)變(bian)送(song)器。

壓(ya)力變送(song)器的主要(yao)作(zuo)用(yong)把(ba)壓(ya)力信號(hao)傳(chuan)到(dao)電子設(she)備(bei)，進(jin)而(er)在計(ji)算機(ji)顯(xian)示(shi)壓(ya)力其(qi)原(yuan)理大致是(shi)：將水壓(ya)這種壓(ya)力的力學(xue)信號(hao)轉變(bian)成電(dian)流(liu)（4-20mA）這(zhe)樣的電子信(xin)號(hao)壓(ya)力和電(dian)壓(ya)或電流(liu)大(da)小(xiao)成(cheng)線性(xing)關系(xi)，壹般是(shi)正(zheng)比關系(xi)。所以(yi)，變(bian)送(song)器輸(shu)出的電壓(ya)或電流(liu)隨(sui)壓(ya)力增(zeng)大而增(zeng)大由此(ci)得(de)出(chu)壹(yi)個壓(ya)力和電(dian)壓(ya)或電流(liu)的關系式(shi)壓(ya)力變送(song)器的被(bei)測介(jie)質(zhi)的兩(liang)種壓(ya)力通入(ru)高、低(di)兩(liang)壓(ya)力室(shi)，低壓(ya)室(shi)壓(ya)力采用(yong)大(da)氣壓(ya)或真(zhen)空(kong)，作用(yong)在δ元（即敏感元件(jian)）的兩(liang)側(ce)隔離(li)膜片上(shang)，通過(guo)隔(ge)離片(pian)和元件(jian)內的填充液傳送(song)到(dao)測量(liang)膜片兩(liang)側(ce)。

壓(ya)力變送(song)器是(shi)由測量(liang)膜片與兩(liang)側(ce)絕緣(yuan)片上(shang)的電極各組成壹個電(dian)容器。當兩(liang)側(ce)壓(ya)力不*時(shi)，致使(shi)測量(liang)膜片產生位(wei)移(yi)，其(qi)位(wei)移(yi)量(liang)和壓(ya)力差成(cheng)正(zheng)比，故(gu)兩(liang)側(ce)電容(rong)量(liang)就(jiu)不等，通過(guo)振(zhen)蕩和解(jie)調環(huan)節。

3051防爆智能壓(ya)力變送(song)器現(xian)貨(huo)報(bao)價特點(dian)

√高可靠性(xing)

√量(liang)程(cheng)、零(ling)點、滿(man)度、線性(xing)可外(wai)部(bu)連續(xu)調節(jie)

√介(jie)質(zhi)兼容性(xing)強(qiang)

√備(bei)用(yong)件(jian)少(shao)，維護費用低

√量(liang)程(cheng)遷(qian)移(yi)5:1;高靜(jing)壓(ya)14MPa和31Mpa。

3051智能壓(ya)力變送(song)器防爆要(yao)點(dian)，通用(yong)要(yao)求：

.擰緊3051智能壓(ya)力變送(song)器殼(ke)體上(shang)的防松頂(ding)絲，並將3051智能壓(ya)力變送(song)器外(wai)殼(ke)的接地(di)端子可靠接(jie)地(di)。

.3051智能壓(ya)力變送(song)器電氣(qi)部(bu)分的檢修應在安(an)全(quan)場所(suo)內進行，現(xian)場(chang)拆(chai)卸前應首(shou)先(xian)切(qie)斷電(dian)源(yuan)。檢修時(shi)隔爆面(mian)塗(tu)204—1防銹油(you)。

3051防爆智能壓(ya)力變送(song)器現(xian)貨(huo)報(bao)價

3051智能壓(ya)力變送(song)器正(zheng)常使(shi)用情(qing)況(kuang)下(xia)其(qi)外(wai)殼(ke)表(biao)面溫度不超(chao)過表(biao)3的規定(環(huan)境50℃)。

.3051智能壓(ya)力變送(song)器的使(shi)用環(huan)境不能有(you)對鋁合金有(you)腐蝕作用(yong)的氣體;

.3051智能壓(ya)力變送(song)器的使(shi)用環(huan)境溫度-20~50℃;