液化石油氣檢測儀NV-500
檢測對象:液化(hua)石油(you)氣
檢測范圍:0~100%LEL
檢測原理:接觸燃燒(shao)式
應用(yong)行(xing)業:石(shi)油(you)化工(gong)、鋼鐵、土木建(jian)筑、機械制造
液化石油氣檢測儀NV-500產品參數
可(ke)燃(ran)氣體探(tan)測(ce)(ce)儀是(shi)對單(dan)一或(huo)多種可(ke)燃(ran)氣體濃度(du)(du)響應的(de)(de)探(tan)測(ce)(ce)器。可(ke)燃(ran)氣體探(tan)測(ce)(ce)儀有催化型(xing)(xing)、紅(hong)外(wai)光(guang)學型(xing)(xing)兩種類型(xing)(xing)。催化型(xing)(xing)可(ke)燃(ran)氣體探(tan)測(ce)(ce)儀是(shi)利用難熔金屬鉑(bo)絲(si)(si)加(jia)熱(re)(re)后的(de)(de)電阻(zu)變化來(lai)測(ce)(ce)定可(ke)燃(ran)氣體濃度(du)(du)。當可(ke)燃(ran)氣體進入探(tan)測(ce)(ce)器時,在鉑(bo)絲(si)(si)表面引(yin)起氧化反應(無焰(yan)燃(ran)燒),其產生的(de)(de)熱(re)(re)量使鉑(bo)絲(si)(si)的(de)(de)溫(wen)度(du)(du)升(sheng)高,而鉑(bo)絲(si)(si)的(de)(de)電阻(zu)率(lv)便發生變化。紅(hong)外(wai)光(guang)學型(xing)(xing)是(shi)利用紅(hong)外(wai)傳感器通過紅(hong)外(wai)線光(guang)源的(de)(de)吸收原理來(lai)檢(jian)測(ce)(ce)現場環境的(de)(de)碳(tan)氫類可(ke)燃(ran)氣體。
1、便攜(xie)式可(ke)(ke)(ke)燃(ran)氣體(ti)(ti)(ti)檢(jian)測(ce)儀采(cai)用(yong)(yong)自然擴散方式檢(jian)測(ce)氣體(ti)(ti)(ti)濃度(du)(du),使用(yong)(yong)催化燃(ran)燒式傳感器,具有較(jiao)好(hao)的(de)靈敏(min)度(du)(du)和(he)重(zhong)復性(xing);可(ke)(ke)(ke)燃(ran)氣體(ti)(ti)(ti)檢(jian)測(ce)儀采(cai)用(yong)(yong)嵌(qian)入式微控制技術,菜單操(cao)作(zuo)簡單,功(gong)能(neng)齊全,可(ke)(ke)(ke)靠性(xing)高。它適用(yong)(yong)于(yu)可(ke)(ke)(ke)燃(ran)氣體(ti)(ti)(ti)泄漏搶險、地下管道或礦井等場所(suo),能(neng)有效(xiao)保證(zheng)工作(zuo)人(ren)員(yuan)的(de)生命(ming)安全不受(shou)侵(qin)害,生產設(she)備不受(shou)損失。可(ke)(ke)(ke)燃(ran)氣手持表的(de)外(wai)殼采(cai)用(yong)(yong)高強(qiang)度(du)(du)工程材料(liao)、復合彈性(xing)橡(xiang)膠材料(liao)精制而(er)成,強(qiang)度(du)(du)高、手感好(hao)。
2、可(ke)燃氣(qi)體(ti)檢(jian)(jian)(jian)測儀(yi)采用內置吸氣(qi)泵,可(ke)快速(su)檢(jian)(jian)(jian)測工作(zuo)環境中(zhong)可(ke)燃氣(qi)體(ti)濃度(du)。泵吸式可(ke)燃氣(qi)體(ti)檢(jian)(jian)(jian)測儀(yi)采用優質(zhi)催化燃燒(shao)傳(chuan)感器,具有非(fei)常清晰的(de)大液晶顯示(shi)屏(ping),聲光報警提(ti)示(shi),保證(zheng)在非(fei)常不利的(de)工作(zuo)環境下也可(ke)以檢(jian)(jian)(jian)測危險氣(qi)體(ti)并及時提(ti)示(shi)操(cao)作(zuo)人(ren)員(yuan)預防。
3、在線(xian)式可(ke)燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)檢(jian)測(ce)(ce)(ce)報(bao)(bao)(bao)(bao)警(jing)(jing)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)由氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)檢(jian)測(ce)(ce)(ce)報(bao)(bao)(bao)(bao)警(jing)(jing)控(kong)(kong)制(zhi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)和固(gu)定式可(ke)燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)檢(jian)測(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)組成,氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)檢(jian)測(ce)(ce)(ce)報(bao)(bao)(bao)(bao)警(jing)(jing)控(kong)(kong)制(zhi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)可(ke)放置于值(zhi)班(ban)室內(nei),主要(yao)對(dui)各監測(ce)(ce)(ce)點進行(xing)控(kong)(kong)制(zhi),可(ke)燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)檢(jian)測(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)安裝(zhuang)于氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)易泄露的(de)(de)地點,其核心部件為內(nei)置的(de)(de)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)傳感器(qi)(qi)(qi)(qi)(qi)(qi)(qi)。可(ke)燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)檢(jian)測(ce)(ce)(ce)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)將傳感器(qi)(qi)(qi)(qi)(qi)(qi)(qi)檢(jian)測(ce)(ce)(ce)到(dao)的(de)(de)可(ke)燃(ran)(ran)(ran)氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)濃(nong)度(du)轉換(huan)成電信(xin)號,通過(guo)線(xian)纜(lan)傳輸到(dao)報(bao)(bao)(bao)(bao)警(jing)(jing)控(kong)(kong)制(zhi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi),氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)濃(nong)度(du)越高(gao),電信(xin)號越強(qiang),當氣(qi)(qi)(qi)(qi)(qi)體(ti)(ti)濃(nong)度(du)達到(dao)或超過(guo)報(bao)(bao)(bao)(bao)警(jing)(jing)控(kong)(kong)制(zhi)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)設置的(de)(de)報(bao)(bao)(bao)(bao)警(jing)(jing)點時,報(bao)(bao)(bao)(bao)警(jing)(jing)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)發出報(bao)(bao)(bao)(bao)警(jing)(jing)信(xin)號,并可(ke)啟動電磁閥、排氣(qi)(qi)(qi)(qi)(qi)扇等外聯設備,自動排除隱(yin)患。