系統圖1:(主機與探頭之間通訊方式:4-20MA)
1、甲(jia)醇(chun)檢(jian)測(ce)(ce)儀: 型號:NFS--DCH3OH-3-H,能夠實時檢(jian)測(ce)(ce)廠房(fang)內甲(jia)醇(chun)的濃度,并且可以將數據上傳到控制(zhi)器集中(zhong)顯示。并帶顯示和現(xian)場聲光(guang)報警;
2、乙(yi)醇檢測儀:型號:NFS--D C2H6O-3-H,能夠實時檢測廠房內乙(yi)醇的濃度(du),并(bing)且可以將(jiang)數據(ju)上傳到控(kong)制器(qi)集中(zhong)顯示(shi)。并(bing)帶顯示(shi)和現場聲(sheng)光報警;
3、TVOC檢測儀:型號:NFS--D TVOC-3-H,能夠實時檢測廠(chang)房內TVOC的濃度,并(bing)且可以將數據上傳到控(kong)制(zhi)器(qi)集中顯示。并(bing)帶顯示和現場聲光(guang)報警(jing);
4、報(bao)(bao)警(jing)(jing)控(kong)制(zhi)主(zhu)(zhu)機:型號:NFS--Z-16-H,報(bao)(bao)警(jing)(jing)控(kong)制(zhi)主(zhu)(zhu)機用來集中顯示各監(jian)測點的有毒氣(qi)體濃度(du)值。同時(shi)控(kong)制(zhi)器(qi)與排(pai)風(feng)系(xi)統關(guan)聯,當有毒氣(qi)體濃度(du)值超過預設報(bao)(bao)警(jing)(jing)值時(shi)能夠自動(dong)報(bao)(bao)警(jing)(jing)或控(kong)制(zhi)啟(qi)動(dong)排(pai)風(feng)系(xi)統。報(bao)(bao)警(jing)(jing)控(kong)制(zhi)主(zhu)(zhu)機一般安裝在值班(ban)室中,與氣(qi)體檢(jian)測儀(yi)采用四芯(xin)線RS485協議或者(zhe)4-20MA連接,報(bao)(bao)警(jing)(jing)主(zhu)(zhu)機內部要有繼電(dian)器(qi)報(bao)(bao)警(jing)(jing)開(kai)關(guan)量輸(shu)出用于控(kong)制(zhi)排(pai)風(feng)系(xi)統。