| 规格和标准 |
Subject gas: Carbon monoxide (hydrogen interference reduction specification) Depth (mm): 24 Height (mm): 67 Width (mm): 54 Detection principle: constant potential electrolytic type Sampling method: diffusion type Display range (ppm): 0-2000 Alarm setting value (ppm): 1st 50/2nd 150/3rd 150 Continuous time: Approximately 6,200 hours Gas alarm: 3-stage alarm, STEL alarm, integrated alarm, over-alarm Fault alarm: sensor connection/disconnection, battery voltage drop, faulty calibration, clock abnormality, system abnormality Alarm return operation: Automatic return Alarm operation: flashing lamp, intermittent buzzer sound, flashing gas concentration价值,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 结构:内在安全的 炸性防 结构
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