BH-4AS Portable Multi-gas Detector
BH-4AS 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.
TAG: Boseancombustible gas detectorBH-4ASO2 gas detectorco detector
Tel: 8615639095718
Email: info@bosean.com
Detecting gas:
Combustible gas, H2S, CO, O2
*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.
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Accuracy |
≦±5% F.S. |
|
Response Time |
≦30s |
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Indication |
LCD displays real-time and system status;LED, audio and vibration alert for gas leakage, fault and low voltage. |
| Sensor |
O2 /H2S / CO: plug-in electrochemical sensor Combustible gas (LEL): plug-in catalytic combustion sensor |
| Alarm Type | low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm |
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Working environment |
-20℃～50℃, ＜95%RH (no dew) |
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Power Source |
DC3.7V Li-on battery, 1800mAh |
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Charging time |
6h~8h |
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Working time |
≧8h continuously (without alarming) |
| Resolution | 0.1%VOL (O2), 1ppm (CO), 0.1ppm (H2S), 1%LEL (EX) |
| Self-checking Function | Self-checking Battery power, display, sensor, hardware failure |
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Gas Sensor Life |
2 years |
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Explosion-proof grade |
ExiaIICT3 |
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Protection Grade |
IP65 |
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Weight |
Appr. 400g (with battery) |
|
Dimensions |
130mm×67mm×30mm(L × W × H) |
TAG: Boseancombustible gas detectorBH-4ASO2 gas detectorco detector
Note: Not all gases and range are listed, if you need more information, please contact us.
| 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 | 0-100%LEL | 1%lel | 20%LEL | 50%LEL |
| C2H4O | 0-100ppm | 1/0.1ppm | 20ppm | 50ppm |
| EX | 0-100%LEL | 1%lel/1%vol | 20%LEL | 50%LEL |
| C3H8 | 0-100%LEL | 1%lel/1%vol | 20%LEL | 50%LEL |
| C2H5OH | 0-100%LEL | 1%lel/1%vol | 20%LEL | 50%LEL |
| NH3 | 0-100ppm | 0.1/1ppm | 20ppm | 50ppm |
| CL2 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| O3 | 0-10ppm | 0.1ppm | 2ppm | 5ppm |
| SO2 | 0-20ppm | 0.1/1ppm | 5ppm | 10ppm |
| PH3 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| CO2 | 0-5000ppm | 1ppm/0.1%vol | 1000ppm | 2000ppm |
| NO | 0-250ppm | 1ppm | 50ppm | 150ppm |
| NO2 | 0-20ppm | 0.1ppm | 5ppm | 10ppm |
| HCN | 0-50ppm | 0.1/0.01ppm | 10ppm | 20ppm |
| HCL | 0-20ppm | 0.001/0.1ppm | 5ppm | 10ppm |
| CH2O | 0-20ppm | 1/0.1ppm | 5ppm | 10ppm |
| HF | 0-100ppm | 0.01/0.1ppm | 2ppm | 5ppm |
| C7H8/C8H10 | 0-20ppm | 0.01/0.1ppm | 5ppm | 10ppm |
TAG: Boseancombustible gas detectorBH-4ASO2 gas detectorco detector
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