Features：
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⚛️ Sensor: High quality electrochemical sensors. Oxygen (O2), Carbon Monoxide (CO), Hydrogen Sulfide (H2S) and Combustibles (LEL). Comes FACTORY CALIBRATED. Turn ON and GO.
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🌇 Detections: Detection error better than ≤±5% F.S. and response time: T < 30 sec. Zero and span calibration options.
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🎆Alarms: Adjustable audio, visual, and vibration alarms alert when preset levels are reached. Alarm digital time stamp and logging.
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💪Strong: Robust design made of high strength ABS and Anti-slip grip rubber. Waterproof, dust-proof and explosion-proof exceeding
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🕵️Explosion-proof grade：Exib IIb T3 GB
Specification：
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Gas type: Oxygen/carbon monoxide/hydrothion/combustible gas( O2/CO/H2S/LEL)
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Gas measurement range: O2: 0~30%vol, CO: 0~999umo/mol(ppm), H2S:0~100 umo/mol(ppm), EX (combustible ):0~100%LEL
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Resolution:0.1%vol/1umo/mol(ppm)/1% LELLow/High alarm/Alarm setting: Yes
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3 Alarm methods : Sound Alarm, Light flashing, Vibrating alert, adjustable alarm values, alarm sound up to 80db
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Operating temperature: -20℃～50℃(except LEL is 0~40C)
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Operating humidity:＜95%RH (no dew)
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Display: 2.0 inch HD display
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Power: 3.7V li-battery(Built-in)
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Battery runtime: 8-12 hours or so.
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Product Net Weight : 400g (with battery)
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Size : 130mm×67mm×30mm (L × W × H)
