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Jinan Jiahong Technology Co., Ltd
Jinan Jiahong Technology Co., Ltd
BH-4S portable multi-gas detector could detect four gases at once time. 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.
* 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.
SPECIFICATIONS
Gas sampling method
Natural diffusion
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 ＜95%RH (no dew)
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 llC T4 Gb
Weight
Appr. 400g (with battery)
Dimensions
130mm×67mm×30mm(L × W × H)
| Model | Range | Resolution | L-alarm | H-alarm |
| CO | 0-1000ppm | 1ppm | 50ppm | 150ppm |
| O2 | 0-30%vol | 0.1%vol | 19.5%vol | 23.5%vol |
| H2 | 0-1000ppm | 1ppm | 50ppm | 150ppm |
| H2S | 0-100ppm | 0.1ppm | 10ppm | 20ppm |
| CH4 | 0-5%vol | 0.01%vol | 1%vol | 2.5%vol |
| C2H4O | 0-100ppm | 1ppm | 10ppm | 20ppm |
| EX | 0-100%LEL | 1%lel/1%vol | 20%LEL | 50%LEL |
| HC | 0-2%vol | 0.01%vol | 0 | 0 |
| C2H6O | 0-100ppm | 1ppm | 10ppm | 20ppm |
| NH3 | 0-100ppm | 1ppm | 10ppm | 20ppm |
| CL2 | 0-50ppm | 0.1ppm | 5ppm | 10ppm |
| O3 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| SO2 | 0-20ppm | 0.1 | 5ppm | 10ppm |
| PH3 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| CO2 | 0-5%vol | 0.01%vol | 1%vol | 2%vol |
| NO | 0-250ppm | 1ppm | 50ppm | 150ppm |
| NO2 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| HCN | 0-50ppm | 0.1ppm | 5ppm | 10ppm |
| HCL | 0-50ppm | 0.1ppm | 5ppm | 10ppm |
| HF | 0-10ppm | 0.1ppm | 3ppm | 5ppm |
| C7H8/C8H10 | 0-100ppm | 1ppm | 10ppm | 20ppm |
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