规格和标准 |
Target gas: Sulfur dioxide Depth (mm): 24 Height (mm): 67 Width (mm): 54 Detection principle: Constant potential electrolytic type Sampling method: Diffused type Display range (ppm): 0.00-100.00 Alarm setting value (ppm): 1st 2.00/2nd 5.00/3rd 5.00/TWA 2.00/STEL 5.00 Continuous use time: Approximately 3000 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 AAA NI-MH电池(ENELOP) 爆炸式 - 防爆炸结构:固有安全的爆炸性爆炸结构
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