产品说明
便携式一氧化碳气体检测仪也称为可燃气体分析仪或者毒性气体检测仪    

可燃气体分析仪产品性能特点：
◆仪器采用*的超低功耗16位微控制器
◆超宽视角图形液晶显示器
◆可设置高低报警点，两级报警，屏幕显示报警类别
◆标定浓度值可调，方便用户标定
◆可燃气体传感器高浓度保护、故障自检功能
◆电池欠压提示
◆提供实时时钟显示
◆模块化传感器，便于维护
◆自动校准功能，减小检测误差
◆两级三重报警（声、光、振动），不易忽略
◆毒性气体另有S和TWA报警
◆开机自检测功能，并具有*的自诊断和自修复功能
◆密码管理功能，重要操作需密码验证，有效防止误操作
◆防滑设计、坚固耐用
◆本质安全型仪器
可燃气体分析仪主要技术参数：
◆ 适用气体：可燃气体，毒性气体（见附表）
◆ 检测方式：扩散式
◆ 指示方式：LED数码管显示实时数据及系统状态，声、光、振动指示报警、故障及欠压
◆ 环境条件：可燃气体温度-40℃～70℃； 毒性气体温度-20℃～50℃； 湿度≤95%RH 无结露
◆ 响应时间（T90）：T＜30s
◆ 工作电源： DC3.6V锂电；1200mAh
◆ 充电时间： 4h～6h
◆ 工作时间： 可燃气体≮ 8h,毒性气体≮ 80h
◆ 防爆等级： Exia Ⅱ CT3
◆ 防护等级： IP65
◆ 重 量： ≤200g
◆ 外型尺寸： 110mm×60mm×40mm
◆ 测量范围：0-2000PPm
◆ zui大量程：2000PPm
◆ 分辨率：1PPm
◆ 响应时间：≤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