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寶德壓(ya)力變送器優點:
1、壓力(li)變送器具有工作可靠、性(xing)能穩定等(deng)特點;
2、V/I集成電路,外圍器件少,可(ke)靠性高,維護簡單、輕(qing)松,體積小、重量輕(qing),安裝調試極為方便;
3、鋁合金壓鑄(zhu)外(wai)殼,三端隔離,靜電噴塑保護層(ceng),堅固耐用;
4、4-20mA DC二線制信號傳送,抗干擾能力強,傳輸(shu)距(ju)離遠;
5、LED、LCD、指針(zhen)三(san)種指示(shi)表頭(tou),現場讀數十分方便。可(ke)用于測(ce)量粘稠、結晶和腐蝕性介質;
6、高(gao)準確度(du),高(gao)穩定性。除進口原(yuan)裝傳(chuan)感器(qi)已用激光修正外,對整機在(zai)使用溫度(du)范圍內的綜合性溫度(du)漂(piao)移、非(fei)線性進行精(jing)細補償。
寶德壓力變送器(qi)使用(yong)方法(fa):
1、防(fang)(fang)止(zhi)變送(song)(song)(song)器(qi)(qi)與腐蝕性(xing)或過(guo)熱的(de)介(jie)質接觸; 2、防(fang)(fang)止(zhi)渣滓在(zai)(zai)導(dao)管(guan)(guan)(guan)內沉(chen)積(ji); 3、測(ce)(ce)量(liang)(liang)液體壓力(li)(li)時,取壓口應開(kai)在(zai)(zai)流(liu)(liu)(liu)程(cheng)(cheng)管(guan)(guan)(guan)道側面,以避(bi)免沉(chen)淀積(ji)渣; 4、測(ce)(ce)量(liang)(liang)氣體壓力(li)(li)時,取壓口應開(kai)在(zai)(zai)流(liu)(liu)(liu)程(cheng)(cheng)管(guan)(guan)(guan)道頂端,并(bing)且變送(song)(song)(song)器(qi)(qi)也應安裝在(zai)(zai)流(liu)(liu)(liu)程(cheng)(cheng)管(guan)(guan)(guan)道上部,以便積(ji)累的(de)液體容易注入流(liu)(liu)(liu)程(cheng)(cheng)管(guan)(guan)(guan)道中(zhong); 5、導(dao)壓管(guan)(guan)(guan)應安裝在(zai)(zai)溫度(du)波動小(xiao)的(de)地(di)方; 6、測(ce)(ce)量(liang)(liang)蒸汽或其它高溫介(jie)質時,需(xu)接加緩沖管(guan)(guan)(guan)(盤管(guan)(guan)(guan))等(deng)冷(leng)凝器(qi)(qi),不應使(shi)變送(song)(song)(song)器(qi)(qi)的(de)工(gong)作溫度(du)超過(guo)極限; 7、冬(dong)季發生(sheng)冰凍時,安裝在(zai)(zai)室(shi)外的(de)變送(song)(song)(song)器(qi)(qi)必(bi)需(xu)采取防(fang)(fang)凍措施,避(bi)免引(yin)壓口內的(de)液體因結冰體積(ji)膨脹,導(dao)至傳(chuan)感器(qi)(qi)損壞(huai); 8、測(ce)(ce)量(liang)(liang)液體壓力(li)(li)時,變送(song)(song)(song)器(qi)(qi)的(de)安裝位(wei)置(zhi)應避(bi)免液體的(de)沖擊(水(shui)錘現象),以免傳(chuan)感器(qi)(qi)過(guo)壓損壞(huai); 9、接線時,將(jiang)電(dian)纜穿過(guo)防(fang)(fang)水(shui)接頭(附件)或繞性(xing)管(guan)(guan)(guan)并(bing)擰緊(jin)密(mi)封螺帽(mao),以防(fang)(fang)雨(yu)水(shui)等(deng)通過(guo)電(dian)纜滲漏進變送(song)(song)(song)器(qi)(qi)殼體內。
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