第(di)一(yi)個(ge)是(shi)壓(ya)力(li)，變(bian)送(song)器(qi)不(bu)能(neng)失(shi)去(qu)它(ta)。在(zai)這(zhe)種(zhong)情(qing)況(kuang)下(xia)，檢(jian)查(zha)壓(ya)力(li)接(jie)口(kou)是(shi)否(fou)泄(xie)漏(lou)或(huo)阻(zu)塞(sai)，如(ru)果(guo)確(que)認(ren)沒(mei)有(you)，檢(jian)查(zha)接(jie)線(xian)方(fang)式(shi)並(bing)檢(jian)查(zha)電(dian)源(yuan)，電(dian)源(yuan)是(shi)否(fou)正(zheng)常(chang)，簡(jian)單(dan)的(de)壓(ya)力(li)，以(yi)確(que)定(ding)輸(shu)出(chu)是(shi)否(fou)改(gai)變(bian)，或(huo)傳(chuan)感(gan)器(qi)零(ling)點(dian)是(shi)否(fou)有(you)輸(shu)出(chu)，如(ru)果(guo)沒(mei)有(you)變(bian)化(hua)

，傳(chuan)感(gan)器(qi)損(sun)壞(huai)
，可(ke)能(neng)是(shi)儀(yi)表(biao)損(sun)壞(huai)或(huo)係(xi)統(tong)的(de)其(qi)他(ta)方(fang)麵(mian)。

  
  dier

，yalibiansongqideshuchumeiyoubianhua

，yalibiansongqideshuchuturanbianhua
，jianyabiansongqidelingdianbunengfanhui
，zhehenkenengshiyalichuanganqidemifenghuanwenti。youyumifenghuandeguigeyaoqiu，mifenghuanjinguhou，mifenghuanbeiyasuojinchuanganqirukou，shichuanganqiwufajinru，yalijiaogaoshiyalijiezhiwufajinru，erzaiyalijiaogaoshituranpoliemifenghuan，yalichuanganqibeiyaligaibian。xiaochuzheyiguzhangdezuijiafangfashiyichuchuanganqi，bingzhijiejianzhalingdianshifouzhengchang。ruguolingweizhengchang
，zekegenghuanmifengquanbingzaicishiyunxing。
  

  第三，發射機的輸出信號不穩定。這種故障存在的問題是，KEN是壓力源。壓力源本身是不穩定的壓力，這很可能是儀表或壓力傳感器抗幹擾能力弱、傳感器本身振動和傳感器故障所致。

  
  第四種是變送器與指針壓力表有很大的偏差。偏差是一種正常現象
，可以確定正常偏差範圍；houyizhongguzhangshichayabiansongqideanzhuangweizhiduilingdianshuchudeyingxiang。youyuchayabiansongqideceliangfanweihenxiao，biansongqizhongdechuanganqiyuanjianjiangyingxiangchayabiansongqideshuchu。zaianzhuangshi，biansongqideyaliminganbujianyingchuizhichuizhiyuzhonglifangxiang，anzhuanghouyingjiangbiansongqidelingdiantiaozhengweibiaozhunzhi。
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