BH-4A portable multi-gas detector.

Detects O₂, CO, H₂S, and LEL.

• 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.
• Large LCD, more intuitionistic, abundant, and clear indication.
• Compact design, easy carrying.
• High strength engineering plastics and compound anti-slippery
rubber; high strength, waterproof, dust-proof and explosion-proof.

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℃, ＜95%RH (no dew)
Power Source: DC3.7V Li-on battery, 2000mAh
Charging time: 6h~8h
Working time: ≥ 8h continuously (without alarming)
Gas Sensor Life: 2 years
Explosion-proof grade: ExiaIICT3
Protection Grade: IP65
Weight: Appr. 400g (with battery)
Dimensions: 130mm×67mm×30mm( L × W × H)