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37.shtml\t_blankDJ4G-Z固定式甲烷断电仪KDG660矿用隔爆兼本安型断电器KBA138矿用本安型光端机KJJ128矿用本安型网络交换机KDG矿用断电器JCB4便携式甲烷指示__仪测风站监测装置甲烷温度组合传感器 GJW4/45甲烷温度组合传感器(以下简称传感器)用于煤矿井下甲烷浓度和环境温度的测量是一种智能仪表,具有甲烷自动调零、自动调灵敏度、非线性补偿和自动调整温度精度等功能(通过遥控器实现),并自带备用电源,能在外接本安电源停止供电后,自动切换到备用电源,继续工作本传感器具有使用方便、稳定可靠等优点能与国内各种煤矿监测系统配套使用防爆标志 矿用本质安全型“ExdibⅠ”测量范围 甲烷测量范围0~4%CH4;温度测量范围:-20~60℃基本误差 甲烷基本误差δ:0~1%CH4δ≤
0.1%CH4:1~2%CH4δ≤
0.2%CH4:2~4%CH4δ≤
0.3%CH4温度基本误差δ:±2℃响应时间 甲烷响应时间40s温度响应时间:3s工作电压直流(9~18)V;工作电流DC18V,不大于45__非__状态监测:DC18V,不大于55____状态监测;外形尺寸及质量 405mm×225mm×30mm;重量1kg;产品型号:GJW4/45品牌:天安产地:产品报价:1950工作温度:-20~+45适用范围:地下作业电源:DC18VPAGE9。