Henan Bosean Electronic CO.,Ltd.
Bosean - Model BH-4S -Portable Multi-Gas Detector
BH-4S portable multi-gas detector could detect combustible gas, O2 and other two types toxic gases continuously and simultaneously. It is widely used in the area where explosion-proof is required or toxic gas leaks, like underground channels or mining industry, so as to protect the workers’life and avoid damage on the relevant equipments.
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- Natural diffusion sampling method and high-sensitivity sensor, with high sensitivity and repeatability.
- 32-bit built-in MCU, high reliability and self-adaptation ability.
- Full functions, easy operation.
- CSTN colorful LCD, more intuitionistic, abundant and clear indication.
- Compact design, easy carrying.
- 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.
Products Details
- Gas sampling method: Natural diffusion
- Detecting gas: Combustible gas, H2S, CO, O2
- Accuracy: ±5% F.S.
- Response Time: 30s
- Indication: LCD displays real-time and system status; LED, audio and vibration alert for gas leakage, fault and low voltage.
- Working environment: -20?~50? for toxic gases; -40?~70? for Ex
- Power Source: DC3.7V Li-on battery, 1800mAh
- Charging time: 6h~8h
- Working time: 8h continuously (without alarming)
- Gas Sensor Life: 2 years
- Explosion-proof grade: Ex ib IIB T3 Gb
- Protection Grade: IP65
- Weight: Appr. 400g (with battery)
- Dimensions: 130mm×67mm×30mm(L × W × H)

