Bosean Multi 4 in 1 Gas Detector O2 H2S LEL CO gas detector Multi Gas – Bosean official

Bosean Multi 4 in 1 Gas Detector O2 H2S LEL CO gas detector Multi Gas Meter BH-4A


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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.

    • Detect: Detection error better than ≤±5% F.S. and response time: T<30s. Zero and span calibration options.

    • Alarms: Adjustable audio, visual, and vibration alarms alert when preset levels are reached. Alarm digital time stamp and logging.

    • Strong: Robust design made of high strength ABS and Anti-slip grip rubber. Waterproof, dust-proof and explosion-proof exceeding

    • Explosion-proof grade:Exib IIb T3 GB


      • Gas type: Oxygen/carbon monoxide/hydrothion/combustible gas( O2/CO/H2S/LEL)

      • Gas measurement range: O2: 0~30%vol, CO: 0~999umo/mol(ppm), H2S:0~100 umo/mol(ppm), EX (combustible ):0~100%LEL

      • Resolution:0.1%vol/1umo/mol(ppm)/1% LELLow/High alarm/Alarm setting: Yes

      • 3 Alarm methods : Sound Alarm, Light flashing, Vibrating alert, adjustable alarm values, alarm sound up to 80db

      • Operating temperature: -20℃~50℃(except LEL is 0~40C)

      • Operating humidity:<95%RH (no dew)

      • Display: 2.0 inch HD display

      • Power: 3.7V li-battery(Built-in)

      • Battery runtime: 8-12 hours or so.

      • Product Net Weight : 400g (with battery)

      • Size : 130mm×67mm×30mm (L × W × H)