特點: 外形小巧美觀,重量(liang)輕(qing) 量(liang)程遷(qian)移功能,量(liang)程遷(qian)移比(bi)100:1 阻尼(ni): 0~32秒可調(diao),步進(jin)0.1秒
3051T型表(biao)壓(ya)(ya)與(yu)(yu)絕(jue)(jue)壓(ya)(ya)變(bian)送器集傳感器、電子技術與(yu)(yu)單隔離膜片設(she)計與(yu)(yu)體,實現表(biao)壓(ya)(ya)和絕(jue)(jue)壓(ya)(ya)測量的校驗(yan)量程 從0.3到10000psi 。
微差壓(ya)變(bian)(bian)送(song)器(qi)用于測量液體、氣體或蒸(zheng)汽的液位(wei)、密(mi)度和壓(ya)力,然(ran)后(hou)轉變(bian)(bian)成4~20mA DC信號輸出。智能微差壓(ya)變(bian)(bian)送(song)器(qi)可與(yu)HART手操器(qi)相互通訊,通過它進行設定,監控(kong)或與(yu)上位(wei)機組成現場監控(kong)系統(tong)。
工(gong)作(zuo)原(yuan)理(li) 本節(jie)敘述智能(neng)電(dian)容式微差(cha)壓(ya)(ya)(ya)變送器(qi)、差(cha)壓(ya)(ya)(ya)變送器(qi)的(de)基(ji)本工(gong)作(zuo)原(yuan)理(li),圖1-1所示(shi)的(de)方(fang)塊圖是(shi)智能(neng)電(dian)容壓(ya)(ya)(ya)力、差(cha)壓(ya)(ya)(ya)變送器(qi)的(de)工(gong)作(zuo)原(yuan)理(li)。
工(gong)作原理 電(dian)(dian)容(rong)式差(cha)壓變(bian)送(song)(song)器、差(cha)壓變(bian)送(song)(song)器的基本工(gong)作原理,圖(tu)1-1所示(shi)的方(fang)塊圖(tu)是智能電(dian)(dian)容(rong)壓力、差(cha)壓變(bian)送(song)(song)器的工(gong)作原理。
1151/3351DR現(xian)場(chang)調整(zheng)式(shi)智能微差(cha)壓變送器(qi)是本公司根據現(xian)場(chang)要求(qiu)研(yan)制開(kai)發(fa)的新產(chan)品,可(ke)脫離手操(cao)器(qi),通過按鍵方式(shi)實現(xian)現(xian)場(chang)調零(ling)、組態等(deng)操(cao)作。