K-400M 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. 

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. 
• 1200pcs data records, can be contact with computer via software. 

Gas sampling method Natural diffusion

Detecting gas Combustible gas, H2S, CO, O2

Accuracy         ≦±5% F.S.

Response Time ≦60s

Indication                              LCD displays real-time and system status; LED, audio and vibration alert for gas leakage, fault and low                                                 voltage.

Working environment -10℃～50℃, ＜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 ExibIICT4 Gb

Protection Grade         IP65

Weight         Appr. 240g

Dimensions         140mm×72mm×32mm(L × W × H)