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Brand Name : Bosean
Model Number : K-400
Certification : CE,FCC,ATEX,ROHS,SIL
Place of Origin : Zhengzhou,Henan,China
MOQ : 1pcs
Price : USD60-150/PCS
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 1000PCS/DAY
Delivery Time : 3-8 WORK DAYS
Packaging Details : each set detector alarm will be packed with the export standard carton package or aluminum box or as per customer require
Product Name : K-400 4in1 Gas Detector
Color : Red
Detecting Gas : Co, H2s, O2, Lel
Battery : Rechargeable Lithium Battery
Sampling : Diffusion
Response Time : 30s
Work Temperature : -20~60 Degree
Certificate : Atex
Sampling Method : Diffusion Sampling
Application : 12 Months
Sensor : Catalytic or Electrochemical or Infrared
Indication : LCD Indicates
Safe Degree : Intrinsically Safe
K-400 Portable gas detector with a 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.
| Operating & Storage Environment | Temperature: -20°C~55°C (-4F~122F) Humidity: 5%-95% (Relative humidity non-condensing) Pressure: 95~110kPa | 
| Sampling method | Diffusion type | 
| Detecting Range | CO: 0~1000ppm H2S:0~100 PPM O2: 0~30%vol Combustible Explosive Gas (Ex / LEL / CH4): 0~100%LEL | 
| Sensor | O2 /H2S / CO: plug-in electrochemical sensor | 
| Alarm Type | low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm | 
| Resolution | 0.1%VOL (O2), 1ppm (CO), 0.1ppm (H2S), 1%LEL (EX) | 
| Data record | 500 sets of data storage | 
| Display | Alphanumeric large LCD displays the real time gas concentration and alarm stage | 
| Backlight | Automatically activated when working in poor lighting environment or the alarm sounding or the button is knobbed down. | 
| Self-checking Function | Self-checking Battery power, display, sensor, hardware failure | 
| Explosion-proof | EXiaIICT4 | 
| Protection grade | IP65 | 
| Power Supply | Rechargeable lithium battery | 

 
 Application

Our customers and patent certificate


| 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 | 
Note: The above table is a general parameter. If you need other gas and range, please contact our online customer service.
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