BH-4A Portable Multi Gas Detector

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.


TAG:   BH-4A Bosean portable gas detector O2 detector combustible gas detector gas detector oem
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.

*Large 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. 

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.

Working environment

-20℃~50℃, <95%RH (no dew)

Alarm Type                                                                                        low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm
Backlight Automatically activated when working in poor lighting environment or the alarm sounding or the button is knobbed down.

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

ExiaIICT3

Protection Grade

 IP65 

Weight

Appr. 400g (with battery)

Dimensions

130mm×67mm×30mm(L × W × H)

Standard accessories

Suit case packaging, 1pc; Charger, 1pc; Calibration cap, 1pc; Communications cable, 1pc; User manual, 1pc.

 


TAG:   BH-4A Bosean portable gas detector O2 detector combustible gas detector gas detector oem
Specifications
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

Note: Not all gases and range are listed, if you need more information, please contact us.


TAG:   BH-4A Bosean portable gas detector O2 detector combustible gas detector gas detector oem
Inquiry

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