Bosean Portable 4 in 1 Gas Detector O2 CO H2S LEL Gas Meter BH-4S – Bosean official

Bosean Portable 4 in 1 Gas Detector O2 CO H2S LEL Gas Meter BH-4S



    • Sensor: Natural diffusion sampling method and high-sensitivity sensor, with high sensitivity and repeatability. O2, CO, H2S and Combustibles (LEL). Comes FACTORY CALIBRATED. Turn ON and GO.

    • 32-bit built-in MCU, high reliability and self-adaptation ability.

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

    • High strength engineering plastics and compound anti-slippery rubber; high strength, water-proof, dust-proof and explosion-proof.

    • 500pcs data records, can be contact with computer via software. Can print the data records, can store data records, can make the data analysis.

    • Intelligent curve value display, The gas concentration trend is clear and easy to understand.


      • 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

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

      • Operating temperature: -10℃~50℃(except LEL is 0~40C)

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

      • Display: 2.0 inch color HD screen

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

      • Battery runtime: 8-12 hours.

      • Product Net Weight : 400g (with battery)

      • Explosion-proof grade:Ex ib IIB T3 Gb

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

      Packing List:

      • 1 x 4 in 1 mutil gas monitor

      • 1 x English User manual

      • 1 x Charging adaptor

      • 1 x USB charging cable

      • 1 x Calibration cover

      • 1 xCertificate