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.
- Description
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Description
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. |
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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 |
Ex ib llC T4 Gb |
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Protection Grade |
IP65 |
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Weight |
Appr. 400g (with battery) |
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Dimensions |
130mm×67mm×30mm(L × W × H) |
Additional information
| Brand | Bosean |
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