Henan Bosean Electronic Technology Co., Ltd.
one stop gas detection solution from China factory
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K400 Four-in-One Gas Detector adopts imported sensor and micro control technology and has fast response, high measurement accuracy, good stability and reproducibility. Built-in 1800mA high capacity rechargeable lithium battery, long standby, 2.0 inch industrial grade high resolution color screen, perfect display of various technical indicators and gas concentration values, historical alarm data display on screen, data storage function there is. The rubber casing is industrially non-slip design, compact and easy to carry. Suitable for dry prevention, toxic gas leakage and rescue, underground pipeline, mine, metallurgy, power plant, chemical industry, tunnel, tunnel, etc. Effectively prevents the occurrence of poisoning accidents, guarantees that workers' safety is not violated and production facilities are not damaged.
| 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.