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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
Parameters
| 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 | 
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.
 



Application

Our customers and patent certificate


| No | Detecting Gas | Gas | Measure Range | Resolution | Alarm Point (High / Low) | 
| 1 | Combustible Gas | EX | 0-100%LEL /0-100%VOL | 1%LEL/1%VOL | 20 / 50% LEL | 
| 2 | Oxygen | O2 | 0-25% /30%VOL | 0.1%VOL | 19.5% / 23.5%VOL | 
| 3 | Hydrogen Sulfide | H2S | 0-50/100/200/1000 ppm | 0.1 ppm | 10 / 20 ppm | 
| 4 | Carbon Monoxide | CO | 0-500/1000/2000/5000 ppm | 1 ppm | 50 / 150 ppm | 
| 5 | Nitrogen Dioxide | NO2 | 0-20/50/1000 ppm | 0.1 ppm | 5 / 10 ppm | 
| 6 | Nitric Oxide | NO | 0-250/500/1000 ppm | 1 ppm | 50 / 150 ppm | 
| 7 | Carbon Dioxide | CO2 | 0-5000 ppm /0-1%/5%/10%VOL | 1 ppm/0.1%VOL | 1000 /2000 ppm | 
| 8 | Sulfur Dioxide | SO2 | 0-20/50/100/200/1000 ppm | 0.1 /1 ppm | 5 / 10 ppm | 
| 9 | Chlorine | CL2 | 0-20/100/1000 ppm | 0.1 ppm | 5 / 10 ppm | 
| 10 | Ammonia | NH3 | 0-50/100/500/1000 ppm | 0.1 ppm | 20 / 50 ppm | 
| 11 | Hydrogen | H2 | 0-1000/5000 ppm | 1 ppm | 50 /150 ppm | 
| 12 | Phosphine | PH3 | 0-5/20/50/100/500/1000 ppm | 0.1 ppm | 5 / 10 ppm | 
| 13 | Hydrogen Chloride | HCL | 0-20/500/1000 ppm | 0.01/0.1 ppm | 5 / 10 ppm | 
| 14 | Chlorine Dioxide | CLO2 | 0-10/50/100 ppm | 0.1 ppm | 5 / 10 ppm | 
| 15 | Hydrogen Cyanide | HCN | 0-50/100 ppm | 0.01/0.1 ppm | 10 / 20 ppm | 
| 16 | Ethylene Oxide | C2H4O | 0-10/20/50/100/200/500 ppm | 0.1 /1 ppm | 20 / 50 ppm | 
| 17 | Ozone | O3 | 0-10/20/100 ppm | 0.1 ppm | 2 / 5 ppm | 
| 18 | Formaldehyde | CH2O | 0-20/50/100 ppm | 0.1 /1 ppm | 5 / 10 ppm | 
| 19 | Hydrogen Fluoride | HF | 0-1/10/50/100 ppm | 0.01 /0.1 ppm | 2 / 5 ppm | 
| 20 | Methylbenzene | 0-1/10/20/50/100 ppm | 0.01 /0.1 ppm | 5 / 10 ppm | 
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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