4-Gas Detection System with LEL, O₂, CO, and H₂S Monitoring
Ensure a safer work environment with the 4-Gas Detection System—a
high-performance solution for monitoring combustible gases (LEL),
oxygen (O₂), carbon monoxide (CO), and hydrogen sulfide (H₂S) in
real-time. This advanced system is designed for industrial
environments where hazardous gases are present, such as
construction sites, oil & gas fields, chemical plants, and
underground operations. It delivers continuous, accurate monitoring
to detect dangerous gas concentrations, giving you critical
information to make informed decisions and protect your workforce.
With instant alerts and real-time data, the 4-Gas Detection System
is essential for preventing exposure to potentially lethal gases.
Its intuitive interface provides clear readings, while audible,
visual, and vibrating alarms ensure that workers are immediately
notified if dangerous levels of gases are detected. Whether working
in confined spaces or high-risk zones, this detector offers peace
of mind, knowing your team is constantly protected from the threats
of toxic, flammable, or oxygen-deficient gases.
Built for rugged environments, this 4-Gas Detection System is
durable, portable, and easy to use, making it the perfect safety
tool for any industrial worksite.
Key Features:
Comprehensive 4-Gas Detection: Monitors four key gases: combustible
gases (LEL), oxygen (O₂), carbon monoxide (CO), and hydrogen
sulfide (H₂S), ensuring complete protection from a wide range of
potential hazards
Real-Time Monitoring: Provides continuous, live data on gas levels
with a clear, backlit LCD display for easy viewing in various
lighting conditions
Instant Alarm Notifications: Audible alarms, visual indicators, and
vibration alerts immediately notify workers when gas levels exceed
safe thresholds
Rugged & Durable: Built to withstand tough industrial environments
with dustproof, water-resistant, and impact-resistant construction
Portable & Ergonomic Design: Compact and lightweight for easy
carrying and handling, ideal for confined spaces or mobile use on
job sites
Long Battery Life: High-capacity rechargeable battery provides up
to 10 hours of continuous operation, perfect for long shifts or
remote work locations
User-Friendly Interface: Simple controls and an intuitive display
make it easy for workers to operate the device and interpret gas
levels in real-time
Calibration & Maintenance: Easy calibration process ensures
continued accuracy, with low-maintenance design to keep operational
costs down
Product Name | 4 gas detector |
Model | X-4 Black |
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 | 200PPM, 500PPM |
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 | real-time data and system status will be displayed on the LCD
screen. LED, sound, vibration indication alarm, fault and undervoltage |
Working Temperature | -20 ℃ ~ 50 ℃ |
Working Humidity | < 95 %RH (non-condensing) |
Power Source | DC3.7V (lithium battery capacity of 2000mAh) |
Explosion proof mark | Ex ib IIB T3 Gb |
Charging time | 6~8 hrs |
Standby time | more than 8 hours |
Lifepan of Sensors | 2 years |
Dimension | 130*65*45(mm) |
Weight | 0.5kg |




