3851DP差壓變送器
⊙適用于工(gong)業領域(yu)或(huo)實驗室,如煙(yan)塵(chen)治(zhi)理(li)、環(huan)境保護、空氣(qi)調節、凈化設備、工(gong)業過(guo)程(cheng)風壓、氣(qi)壓測量(liang)、醫藥(yao)儀表、檢漏(lou)設備等
⊙采(cai)用(yong)陶瓷壓阻式傳感器(qi),低成本、高精(jing)度、高可靠性(xing)
⊙*的溫度穩(wen)定(ding)性(xing)和時間(jian)穩(wen)定(ding)性(xing)
⊙表壓、絕壓和(he)負壓測量
⊙量程:-100kPa~60Mpa
⊙輸(shu)出:4~20mA或(huo)1~5V
⊙精(jing)度:0.2%F.S和0.5%F.S
⊙結構簡便(bian)、易于安裝
⊙外形美觀、體積小巧(qiao)
⊙價格低廉、經濟實用
3851DP差壓變送器被(bei)測介質的(de)兩(liang)(liang)種壓(ya)(ya)力(li)(li)(li)(li)通(tong)入高、低兩(liang)(liang)個壓(ya)(ya)力(li)(li)(li)(li)室,作(zuo)用在δ元件(即(ji)敏感(gan)元件)的(de)兩(liang)(liang)側隔離膜(mo)片(pian)上,通(tong)過(guo)隔離片(pian)和元件內(nei)的(de)填充液傳送(song)(song)(song)到測量(liang)(liang)膜(mo)片(pian)兩(liang)(liang)側。電(dian)容式壓(ya)(ya)力(li)(li)(li)(li)變(bian)(bian)送(song)(song)(song)器(qi)(qi)是由測量(liang)(liang)膜(mo)片(pian)與兩(liang)(liang)側絕(jue)緣片(pian)上的(de)電(dian)極各組成(cheng)一個電(dian)容器(qi)(qi)。 當兩(liang)(liang)側壓(ya)(ya)力(li)(li)(li)(li)不*時,致使測量(liang)(liang)膜(mo)片(pian)產(chan)生(sheng)位(wei)移,其位(wei)移量(liang)(liang)和壓(ya)(ya)力(li)(li)(li)(li)差成(cheng)正(zheng)比(bi),故兩(liang)(liang)側電(dian)容量(liang)(liang)就不等,通(tong)過(guo)振(zhen)蕩和解調環節,轉換(huan)(huan)成(cheng)與壓(ya)(ya)力(li)(li)(li)(li)成(cheng)正(zheng)比(bi)的(de)信號(hao)。電(dian)容式壓(ya)(ya)力(li)(li)(li)(li)變(bian)(bian)送(song)(song)(song)器(qi)(qi)和電(dian)容式壓(ya)(ya)力(li)(li)(li)(li)變(bian)(bian)送(song)(song)(song)器(qi)(qi)的(de)工作(zuo)原理和差壓(ya)(ya)變(bian)(bian)送(song)(song)(song)器(qi)(qi)相同,所不同的(de)是低壓(ya)(ya)室壓(ya)(ya)力(li)(li)(li)(li)是大(da)氣壓(ya)(ya)或真空。電(dian)容式壓(ya)(ya)力(li)(li)(li)(li)變(bian)(bian)送(song)(song)(song)器(qi)(qi)的(de)A/D轉換(huan)(huan)器(qi)(qi)將解調器(qi)(qi)的(de)電(dian)流轉換(huan)(huan)成(cheng)數字信號(hao),其值(zhi)被(bei)微(wei)(wei)處理器(qi)(qi)用來判定輸入壓(ya)(ya)力(li)(li)(li)(li)值(zhi)。微(wei)(wei)處理器(qi)(qi)控制(zhi)變(bian)(bian)送(song)(song)(song)器(qi)(qi)的(de)工作(zuo)。另外(wai),它進行傳感(gan)器(qi)(qi)線性化。重(zhong)置測量(liang)(liang)范(fan)圍(wei)。工程(cheng)單位(wei)換(huan)(huan)算、阻尼(ni)、開方,,傳感(gan)器(qi)(qi)微(wei)(wei)調等運算,以及(ji)診斷和數字通(tong)信。
3851DP差壓變送器介紹:
主要(yao)用于測量氣體、液體和(he)蒸汽的壓(ya)力(li)、差壓(ya)、負壓(ya)、高(gao)靜壓(ya)、液位(wei)和(he)壓(ya)力(li)等(deng)參(can)數(shu),然后(hou)將其轉換成4~20mA.DC信號輸(shu)出。
包括GP型(xing)(表壓力(li))、DP型(xing)(差壓)、DR型(xing)(微差壓)、AP型(xing)(壓力(li))、HP型(xing)(高靜(jing)壓)、LT型(xing)(法蘭(lan)式液位變送器)、DP/GP型(xing)(遠傳(chuan)差壓/壓力(li)變(bian)送器(qi))等(deng)類(lei)型(xing)。電容(rong)式變(bian)送器(qi)與智能放(fang)大板組合(he),可(ke)構成智能型(xing)壓力(li)變(bian)送器(qi),它可(ke)通過(guo)符合(he)HART協議(yi)的手操器(qi)相互通訊,進行設(she)定和(he)監控。
高靜壓(ya)差壓變送器是一種適用于(yu)石化和電站高壓(ya)裝(zhuang)置的(de)差壓(ya)變送器,由(you)于(yu)其耐壓(ya)高達32MPa,并可承受(shou)單(dan)向(xiang)過載壓(ya)力而不被損壞,因此能可靠地用于(yu)高壓(ya)系統的(de)差壓(ya)測量。
上一篇 : 3851電容式差壓變送器
下一篇 : 液體差壓變送器