| 规格和标准 |
Alarm method: Lamp, buzzer, vibration Buzzer volume: 95db (distance 30cm) Use environment conditions: Temperature: -20℃ to 50℃ Humidity: 15-95%RH (no condensation) Structure: Dust-proof and water-resistant structure (IP66/67) Power supply (V): Lithium-ion battery, 12 hours Continuous time (h): 12 hours Explosion-proof performance: Intrinsically safe explosion-proof structure Ex ia II CT4 Passing number: No. TC20923 Subject gas: oxygen, flammable gas (excluding methane) Protection grade: IP66/67 Measurement range (%LEL): 0 to 100 (flammable gas) Resolution (%LEL): 1 测量范围氧(Vol%):0至30 分辨率氧(Vol%):0.1
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