BH-4S Portable Multi-gas Detector

BH-4S 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.

INTRODUCTION

• 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.

Gas sampling method             Natural diffusion

Detecting gas     Combustible gas, H2S, CO, O2

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. 

Working environment     -20℃～50℃ for toxic gases

                    -40℃～70℃ for Ex     

                    ＜95%RH (no dew)

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     Ex ib IIB T3 Gb

Protection Grade             IP65

Weight             Appr. 400g (with battery)

Dimensions             130mm×67mm×30mm(L × W × H)