| 规格和标准 |
目标气体:二氧化氮 深度(mm):24 高度(mm):67 宽度(mm):54 检测原理:恒定电位电解类型 采样方法:diffusion类型 diffusion类型 显示范围(ppm):0.00-20.00 Continuous time: Approximately 3,000 hours Gas alarm: 3-stage alarm, STEL alarm, TWA alarm, over-alarm Fault alarm: sensor connection/break, battery voltage drop, poor calibration, clock abnormality, system abnormality Alarm return operation: Self-hold Alarm operation: Blinking lamp, intermittent蜂鸣器声音,气体浓度价值闪烁,振动 蜂鸣器音量(db):80dB或更多(30厘米) 电源:2 AA碱性电池 炸式 - 防护结构:本质上安全的 炸性 炸式启动结构
|