產品說明
便攜式一氧化碳氣體檢測儀也稱為可燃氣體分析儀或者毒性氣體檢測儀    

可燃氣體分析儀產品性能特點：
◆儀器采用*的超低功耗16位微控制器
◆超寬視角圖形液晶顯示器
◆可設置高低報警點，兩級報警，屏幕顯示報警類別
◆標定濃度值可調，方便用戶標定
◆可燃氣體傳感器高濃度保護、故障自檢功能
◆電池欠壓提示
◆提供實時時鐘顯示
◆模塊化傳感器，便于維護
◆自動校準功能，減小檢測誤差
◆兩級三重報警（聲、光、振動），不易忽略
◆毒性氣體另有S和TWA報警
◆開機自檢測功能，并具有*的自診斷和自修復功能
◆密碼管理功能，重要操作需密碼驗證，有效防止誤操作
◆防滑設計、堅固耐用
◆本質安全型儀器
可燃氣體分析儀主要技術參數：
◆ 適用氣體：可燃氣體，毒性氣體（見附表）
◆ 檢測方式：擴散式
◆ 指示方式：LED數碼管顯示實時數據及系統狀態，聲、光、振動指示報警、故障及欠壓
◆ 環境條件：可燃氣體溫度-40℃～70℃； 毒性氣體溫度-20℃～50℃； 濕度≤95%RH 無結露
◆ 響應時間（T90）：T＜30s
◆ 工作電源： DC3.6V鋰電；1200mAh
◆ 充電時間： 4h～6h
◆ 工作時間： 可燃氣體≮ 8h,毒性氣體≮ 80h
◆ 防爆等級： Exia Ⅱ CT3
◆ 防護等級： IP65
◆ 重 量： ≤200g
◆ 外型尺寸： 110mm×60mm×40mm
◆ 測量范圍：0-2000PPm
◆ zui大量程：2000PPm
◆ 分辨率：1PPm
◆ 響應時間：≤30 秒

Product description
Portable carbon monoxide detector for combustible gas analyzer toxic gas detector
Model: QT22-BX170
Product characteristic:
The instrument adopts advanced ultra low power 16 bit micro controller
◆ ultra wide viewing angle LCD display
The high and low alarm point can be set, two alarm, display alarm categories
◆ calibration concentration value is adjustable, convenient user calibration
◆ combustible gas sensor with high concentration of protection, fault self checking function
◆ battery undervoltage tip
◆ provides real time clock display
◆ modular sensor, easy maintenance
Automatic calibration function, reduce the detection error
◆ two grade three alarm （sound, light, vibration）, not easy to ignore
The toxic gas and S and TWA alarm
The power on self test function, and has advanced the self diagnose and self repair function
◆ password management functions, important operations require password authentication, effectively prevent the misoperation
The antiskid design, durable
◆ intrinsically safe apparatus
Main technical parameters:
◆ applicable gas: combustible gas, toxic gas （see table）
◆ detection mode: diffusion
◆ instructions: LED digital tube display state data and real time system, sound, light, vibration alarm, fault and undervoltage
◆ environmental conditions: combustible gas temperature of -40 ℃ ~ 70 ℃; toxic gas temperature of -20 ℃ ~ 50 ℃; moisture ≤ 95%RH condensation free
The response time （T90）:T < 30s
◆ working power supply: DC3.6V lithium battery; 1200mAh
The charging time: 4H ~ 6H
◆ working time: combustible gas is higher than 8h, the toxic gas higher than 80h
◆ explosion-proof grade: Exia II CT3
◆ protection grade: IP65
◆ weight: ≤ 200g
◆ size: 110mm x 60mm x 40mm
◆ measurement range: 0-2000PPm
The maximum range: 2000PPm
The resolution: 1PPm
◆ response time: ≤ 30 seconds