| 规格和标准 |
目标气体:氧 保护等级:IP67等效 深度(mm):53 高度(mm):150 宽度(mm):69 要检测到的气体:氧气 power Display range (%): 0-40.0 Resolution (%): 0.1 Instruction accuracy (under the same conditions): within ±0.7% (below 25.0%) Alarm setting value: WARNING 18.0%, ALARM 18.0%, OVER 40.0% Gas alarm: 2-stage alarm, over-alarm Fault alarm: sensor connection/break, battery drop, faulty calibration, system abnormality警报方法:自我备用警报操作:<当燃气警报>灯闪烁,蜂鸣器强度和弱声音,气体浓度值闪烁,振动<何时故障警报>灯闪烁,蜂鸣器连续脉冲声音,故障内容显示显示:7-段lcd tonto lcd noto气体浓度浓度 batteries Continuous time: Approximately 20,000 hours (new battery, 25℃, no alarm, no lighting) Response time: 90% response within 20 seconds (20℃±2℃) Explosion-proof: Intrinsically safe Explosion-proof structure (explosion-proof grade: Ex ia IIC T4 Ga) Various functions: LCD manual backlight (automatic when alarm), peak value显示
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