BH-4A Portable multi-gas detector for gas, O2 and other two types toxic gases
Characteristics
Accuracy: ≤±5%FS
Response Time: T90<30s
Working environment: -20℃~50℃℃, <95%RH (no dew)
Power Source: DC3.7V Li-on battery, 1800mAh
Explosion-proof grade: Exib IIB T3 Gb
Charging time: 6h-8h
BH-4A 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.
| Target Gas | Range | Low Alarm | High Alarm | Resolution |
|---|---|---|---|---|
| EX | (0-100)%LEL | 20%LEL | 50%LEL | 1%LEL |
| H₂S | (0-100)ppm | 10ppm | 35ppm | 1ppm |
| CO | (0-1000)ppm | 50ppm | 150ppm | 1ppm |
| O₂ | (0-30)%vol | 19.5%vol | 23.5%vol | 0.1%vol |
| Gas sampling method | Natural diffusion |
| Detecting gas | Combustible gas, H₂S, CO, O₂ |
| Accuracy | ±≤3%FS |
| Response Time | T90 ≤ 30s |
| Indication | LCD displays real-time and system status; LED, audio and vibration alert for gas leakage, fault and low voltage |
| Working environment | -20°C~50°C, <95%RH (no dew) |
| Power Source | DC3.7V Li-ion battery, 1800mAh |
| Explosion-proof grade | Exib IIB T3 Gb |
| Charging time | 6h–8h |
| Working time | ≥8h continuously (without alarming) |
| Gas Sensor Life | 2 years |
| Dimensions | 130×67×30mm |
| Weight | 400g |
