| 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 1200 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, gas concentration value flashing, vibration Buzzer volume (dB): 80dB or more (30cm) Power supply: 2 AA alkaline batteries Communication function: Bluetooth 4.2 (Bluetooth low Energy), IrDA (data logger management program required) Explosion-proof structure: intrinsically safe explosion-proof structure Functions: Bluetooth, vibration, one-touch校准,峰值显示,温度显示
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