K-400 Portable Multi-gas Detector

K-400 portable gas detector with large LCD. It can monitor CO, H2S,O2 and combustible gas simultaneously. The instrument features two instant alarms with audio/visual and vibratory indicators, rechargeable battery and simple use.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.

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*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; water-proof, dust-proof and explosion-proof. 
*1200pcs data records, can be contacted with computer via software. Can print the data records, can storedata records, canmake the data analysis. 
*Gas curve display.
Gas sampling method
Natural diffusion
Detecting gas Combustible gas, H2S, CO, O2
Accuracy ≦±3% 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℃, <95%RH (no dew) 
Power Source DC3.7V Li-on battery, 1800mAh 
Charging tim 4h~6h 
Working tim ≧10h continuously (without alarming) 
Gas Sensor Life 2 years
Explosion-proof grade Ex ib IIBT4 Gb 
Protection Grade IP65
Dimensions 140mm×64mm×34mm(L × W × H) 

TAG:  multi gas detectorportable gas detectorK-400 Multi gas detectorK-400

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


Rang Optional range Minimun Readout

Alarm Set Point


EX 0-100%LEl 0-100%VOL(Infrared) 1%LEL/1%VOL 20/50
O2 0-30%VOL 0-30%VOL 0.1%VOL 19.5%VOL/23.5%VOL
H2S 0-100PPM 0-50/200/1000PPM 0.1PPM 10PPM/20PPM
CO 0-1000PPM 0-500/2000/5000PPM 1PPM 50PPM/150PPM
NO2 0-20PPM 0-50/1000PPM 0.1PPM 5PPM/10PPM
CO2 0-5000PPM 0-1%/5%10%VOL(Infrared) 1PPM/0.1%VOL 1000/2000
NO 0-250PPM 0-500/1000PPM 1PPM 50PPM/150PPM
SO2 0-20PPM 0-50/1000PPM 0.1/1PPM 5PPM/10PPM
CL2 0-20PPM 0-100/1000PPM 0.1PPM 5PPM/10PPM
NH3 0-100PPM 0-50/500/1000PPM 0.1/1PPM 20PPM/50PPM
H2 0-1000PPM 0-5000PPM 1PPM 50PPM/150PPM
PH3 0-20PPM 0-20/1000PPM 0.1PPM 5PPM/10PPM
HCL 0-20PPM 0-20/500/1000PPM 0.001/0.1PPM 5PPM/10PPM
CLO2 0-50PPM 0-10/100PPM 0.1PPM 5PPM/10PPM
HCN 0-50PPM 0-100PPM 0.01/0.1PPM 10PPM/20PPM
C2H4O 0-100PPM 0-100PPM 0.1/1PPM 20PPM/50PPM
O3 0-10PPM 0-20/100PPM 0.1PPM 2PPM/5PPM
CH20 0-20PPM 0-50/100PPM 0.1/1PPM 5PPM/10PPM
HF 0-100PPM 0-1/10/50/100PPM 0.01/0.1PPM 2PPM/5PPM
C7H8 0-20PPM 0-1/10/50/100PPM 0.01/0.1PPM 5PPM/10PPM

TAG:  multi gas detectorportable gas detectorK-400 Multi gas detectorK-400

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