| 规格和标准 |
Target gas: Oxygen Protection grade: IP67 equivalent Response time: 90% response within 20 seconds (under the same conditions) Alarm setting value: L alarm (19.5 vol%) LL alarm (18.0 vol%) OVER (40.0 vol%) Detection principle: Diaphragm galvanic battery-operated Detection range (1 digit): 0 to 40 VOL%(0.1 vol%) 工作温度和湿度:-20至 +50°C,95%RH或更少(无凝结)防 :本质上安全的防 结构(Exia(Exia(2)CT4X)连续使用时间(H):电池规格:大约。 3,000小时(25°C,无警告,没有照明),可充电电池规格:大约。 2,400小时(25°C,无警告,充满电后没有照明)电源(v):2 x AA碱性电池,或2 x AAA镍氢电池
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