油庫在線監測系統
油(you)庫(ku)在(zai)線監測(ce)(ce)系統(tong)(tong)工(gong)作(zuo)原理(li):當氣(qi)體探(tan)測(ce)(ce)器(qi)檢(jian)測(ce)(ce)到(dao)空氣(qi)中的危險性氣(qi)體時(shi),將氣(qi)體濃(nong)度的大小轉(zhuan)化為(wei)相應的4-20mA電(dian)流信號(hao),由(you)連接電(dian)纜(lan)傳(chuan)送(song)至controller監測(ce)(ce)報警控制系統(tong)(tong),防爆(bao)型監測(ce)(ce)報警控制器(qi)在(zai)將電(dian)信號(hao)轉(zhuan)化為(wei)數字信號(hao),在(zai)液晶顯示(shi)器(qi)上(shang)顯示(shi)出(chu)氣(qi)體的濃(nong)度值(zhi),當檢(jian)測(ce)(ce)值(zhi)大于報警設定值(zhi)時(shi),便由(you)蜂鳴(ming)器(qi)或(huo)警示(shi)燈(deng)發出(chu)報警信號(hao),提示(shi)工(gong)作(zuo)人員引起注意(yi),或(huo)啟動連鎖(suo)排風系統(tong)(tong)。
更新時間:2021-06-23型號:瀏覽量:737