The BH-4s portable multi-gas detector can detect flammable gas, O2, and two other toxic gases continuously and simultaneously. Widely used in areas where explosion protection is required and toxic gas leaks such as underground channels and mining to protect workers' lives and avoid damage to related equipment.

Main Features of portable multi gas detector

Gas sampling method: Natural diffusion
Detecting gas: Combustible gas, CO, CO2, 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: Ex ib IIB T3 Gb
Protection Grade: IP65
Weight: Appr. 400g (with battery)
Dimensions: 130mm×67mm×30mm(L × W × H)

Detailed Images of portable multi gas detector