4-in-1 Portable Gas Detector with NDIR Sensor for EX CO O2 H2S
Rechargeable 4-Gas Monitor for Industrial Safety Compliance
Ensure complete safety and compliance in hazardous work environments with the Rechargeable 4-Gas Monitor, designed to continuously detect and display levels of Combustible Gases (LEL), Oxygen (O₂), Carbon Monoxide (CO), and Hydrogen Sulfide (H₂S). Built for demanding industrial conditions, this compact and portable gas detector offers reliable multi-gas protection, long battery life, and easy operation—making it an essential tool for professionals working in confined spaces, oil & gas facilities, chemical plants, and more.
With advanced sensors, real-time display, and a powerful rechargeable battery, this monitor delivers consistent performance shift after shift, helping you meet industrial safety standards and regulations.
Key Features:
4-Gas Detection in One Device: Simultaneously monitors LEL, O₂, CO, and H₂S, offering comprehensive protection against common atmospheric hazards.
Rechargeable Lithium-Ion Battery: Long-lasting power supports 12–18 hours of continuous operation on a single charge—ideal for daily field use.
Real-Time Monitoring: Clear backlit LCD display provides instant gas concentration readouts, battery status, and alarm indicators, even in dark or confined areas.
Triple Safety Alarm: Loud audible alarm (≥ 90 dB), bright flashing LED, and strong vibration alert you to dangerous gas levels immediately.
Rugged Industrial Build: resistant to water, dust, and impact, ensuring durability in challenging environments.
Easy Calibration & Operation: Simple interface and one-button calibration streamline maintenance and training.
| Product Name | 4 gas detector |
| Model | X-4 (balck) |
| EX Detection range/Resolution | (0~100)%LEL, 1%LEL |
| H2S Detection range/Resolution | (0~100)PPM, 1PPM |
| CO Detection range/Resolution | (0~1000)PPM, 1PPM |
| O2 Detection range/Resolution | (0~30)%VOL, 0.1%VOL |
| EX Low alarm/High alarm | 20%LEL, 50%LE |
| H2S Low alarm/High alarm | 10PPM, 20PPM |
| CO Low alarm/High alarm | 50PPM, 200PPM |
| O2 Low alarm/High alarm | 19.5%VOL, 23.5%VOL |
| Error | ±5% FS (combustible),±10% FS (carbon monoxide),±10% FS (hydrogen sulfide) |
| Response time | T<30s |
| Indicate method | LCD indicates the real time data and system status, Light-emitting diode, sound, vibrate indication alarm, failure, and lack of voltage Working |
| Working Temperature | -4F-122F |
| Working Humidity | < 95 %RH (non-condensing) |
| Power Source | DC 3.7 V Li-lon Rechargeable battery, 2000 mAh |
| Explosion proof mark | Ex ib IIB T3 Gb |
| Charging time | 3~5 hrs |
| Standby time | 15~18 hrs under a standard situation |
| Life of Sensors | EX, H2S, C0---3 years; 02---5 years |
| Dimension | 5.2*1.9*2.2 inch |
| Weight | 17.6 ounce |
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