Bosean 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. We provide gas detector OEM/ODM service.
TAG: Boseancombustible gas detectorBH-4ASO2 gas detectorco detector
Description
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INTRODUCTION
The shell is made of high -strength engineering plastics and composite non-slip rubber. High intensity, good feel, waterproof, dustproof, explosion -proof. This detector is widely used in oil, chemical, environmental protection, metallurgy, refining, gas transmission and distribution, biochemical medicine, agriculture and other industries.
| Sampling method | natural diffusion |
| Accuracy | ≦ 5% F.S. |
| Response time | T＜60s |
| Explosion proof | Ex ib IIB T3 Gb |
| Alarm Method | four alarm method: sound, vibration, light, display |
| Operating Environment | Operating temperature -10℃～55℃ |
| Humidity | ＜95%RH non-condensing |
| Operating voltage | DC3.7V Li battery 1800mAh |
| Working time | ≧8h continuously |
| Charging time | 4h～6h |
| Sensor life | 2 years |
| Protection category | IP67 |
| Weight | about 300g (including battery but without accessories) |
| Dimension | 136mm×72mm×32mm |
TAG: h2s gas detectorIP67 gas detectorK40k40 multi gas detector
SPECIFICATIONS
Note: Not all gases and range are listed, if you need more information, please contact us.
INTRODUCTION
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.
| 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. |
| 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 |
| Working environment | -20℃～50℃, ＜95%RH (no dew) |
| Power Source | DC3.7V Li-on battery, 1800mAh |
| Charging time | 6h~8h |
| 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 |
| Gas Sensor Life | 2 years |
| Explosion-proof grade | ExiaIICT3 |
| Protection Grade | IP65 |
| Weight | Appr. 400g (with battery) |
| Dimensions | 130mm×67mm×30mm(L × W × H) |
TAG: Boseancombustible gas detectorBH-4ASO2 gas detectorco detector
SPECIFICATIONS
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 |
