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Precise Control System for Gas Drainage
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Laser Gas-related Spontaneous Mine Combustion Monitoring Solution
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GYH25（A）矿用氧气传感器
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GRG5H（A）矿用二氧化碳传感器专门用于煤矿井下二氧化碳浓度的在线监测，为评价矿井下空气质量、通风效果、火灾预警提供可靠的监测数据。
◆ 功耗极低，适用于远程监测。
◆ 采用红外传感器探头，具有寿命长、测量精度高、不受其它背景气体（CH4、H2S、SO2、N2、O2等）影响。
◆ 采用FullRangePressure压力补偿技术，测量精度不受环境大气压及海拔变化影响。
◆ 采用EasyToUse可靠性设计，彻底消除复位、死机、断线、冒大数。
◆ 采用ChannelClean取气设计，极小的气室体积，抗粉尘、水汽污染性能卓越。
◆ 额定工作电压：18VDC
◆ 额定工作电流：≤40mA（18VDC）
◆ 电压波动范围：（9～24） VDC （本安）
◆ 测量范围：（0.00～5.00）%CO2
◆ 基本误差：（0.00～0.50）%CO2 ±0.10%CO2 （0.50～5.00）%CO2 ±（真值的5%+0.05）%CO2
◆ 报警方式：声光报警
◆ 显示方式：四位数码管显示
◆ 显示分辩率：0.01%CO2
◆ 输出信号：模拟：（200～1000）Hz数字：RS485
◆ 传输距离：传感器与关联设备的传输距离不小于2000m
◆ 防爆型式：矿用本质安全型（防爆标志：Exia I Ma）
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