氧氣氣體檢測報警器

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氧氣(qi)氣(qi)體(ti)檢(jian)測報(bao)警(jing)(jing)器(qi)(qi)(qi)可燃(ran)(ran)(ran)氣(qi)體(ti)報(bao)警(jing)(jing)器(qi)(qi)(qi)主要有催(cui)化(hua)(hua)(hua)燃(ran)(ran)(ran)燒(shao)型(xing)、熱導型(xing)、紅外吸收型(xing)和半導體(ti)型(xing)等(deng)幾種，其中使用最廣泛的是(shi)催(cui)化(hua)(hua)(hua)燃(ran)(ran)(ran)燒(shao)型(xing)。催(cui)化(hua)(hua)(hua)燃(ran)(ran)(ran)燒(shao)型(xing)報(bao)警(jing)(jing)器(qi)(qi)(qi)傳感(gan)(gan)器(qi)(qi)(qi)主要是(shi)由(you)橋式電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)、氣(qi)敏原件組成(cheng)(cheng)。當可燃(ran)(ran)(ran)氣(qi)體(ti)進入報(bao)警(jing)(jing)器(qi)(qi)(qi)探頭(tou)，氣(qi)體(ti)與空氣(qi)中的氧發(fa)生氧化(hua)(hua)(hua)反應，鉑(bo)(bo)絲表面產生無煙催(cui)化(hua)(hua)(hua)燃(ran)(ran)(ran)燒(shao)，導致鉑(bo)(bo)絲升(sheng)溫，鉑(bo)(bo)絲是(shi)感(gan)(gan)溫原件，電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)值(zhi)隨(sui)溫度升(sheng)高而增長，橋式電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)失去平(ping)衡，產生電(dian)(dian)(dian)(dian)(dian)(dian)流，即將(jiang)氣(qi)體(ti)濃度值(zhi)轉(zhuan)換(huan)為電(dian)(dian)(dian)(dian)(dian)(dian)信號(hao)輸出。報(bao)警(jing)(jing)器(qi)(qi)(qi)由(you)探測器(qi)(qi)(qi)和控(kong)制器(qi)(qi)(qi)兩(liang)部分組成(cheng)(cheng)，探測器(qi)(qi)(qi)即探頭(tou)傳感(gan)(gan)器(qi)(qi)(qi)部分，將(jiang)氣(qi)體(ti)濃度轉(zhuan)換(huan)成(cheng)(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)信號(hao)，控(kong)制器(qi)(qi)(qi)包括控(kong)制電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)、放大電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)、報(bao)警(jing)(jing)系統和顯示器(qi)(qi)(qi)等(deng)部分。

結構：
材料：鑄鋁
防爆鏈接螺紋：G3/4″內螺紋
外形尺寸：172×138×77mm
重量：1.3kg
認證：
◆ 天津：Exd II C T6 Gb
◆ 公安部：消防產品合格評定中心
◆ 應用標準：GB15322.1-2003
環境：
◆ IP等級：IP65
◆ 工作溫度：-40℃～70℃
◆ 濕度范圍：10%RH～95%RH
◆ 壓力范圍：86Kpa～106Kpa
◆ 存儲溫度：-25℃～55℃
氧氣氣體檢測報警器