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:   BH-4AS Bosean O2 gas detector combustible gas detector co detector
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:   BH-4AS Bosean O2 gas detector combustible gas detector co detector
Specifications
Model
Range
L-alarm
H-alarm
CO
0-1000ppm
35ppm
200ppm
O2
0-30%vol
19.5%vol
23.5%vol
H2
0-100%LEL
20%LEL
50%LEL
H2S
0-100ppm
10ppm
20ppm
CH4
0-100%LEL
20%LEL
50%LEL
C2H4O
0-20ppm
10ppm
15ppm
C2H4
0-100%LEL
20%LEL
50%LEL
C3H8
0-100%LEL
20%LEL
50%LEL
C2H5OH
0-100%LEL
20%LEL
50%LEL
NH3
0-100ppm
25ppm
50ppm
CL2
0-20ppm
5ppm
10ppm
O3
0-20ppm
5ppm
10ppm
SO2
0-100ppm
2ppm
5ppm
PH3
0-20ppm
0.3ppm
5ppm
CO2
0-50000ppm
1000ppm
2000ppm
NO
0-250ppm
20ppm
50ppm
NO2
0-20ppm
5ppm
10ppm
HCN
0-500ppm
10ppm
20ppm
HCL
0-50ppm
10ppm
20ppm
CH2O
0-10ppm
2ppm
5ppm
VOC
0-100ppm
20ppm
50ppm
C6H6
0-100ppm
20ppm
50ppm

TAG:   BH-4AS Bosean O2 gas detector combustible gas detector co detector
Inquiry

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