Portable 4-Gas Detector for Hazardous Gas Monitoring on Job Sites
Ensure the safety of your team and maintain compliance with
industry standards using the Portable 4-Gas Detector for Hazardous
Gas Monitoring. Specifically designed for on-site monitoring, this
rugged and compact detector provides real-time, continuous
detection of four critical gases: combustible gases (LEL), oxygen
(O₂), carbon monoxide (CO), and hydrogen sulfide (H₂S). Ideal for
use in hazardous work environments such as construction sites, oil
& gas fields, chemical plants, and confined spaces, this versatile
detector allows workers to quickly assess air quality and respond
to potential gas leaks or dangerous conditions.
Built for durability and ease of use, the Portable 4-Gas Detector
offers instant, reliable gas concentration readings and real-time
alerts through audible, visual, and vibrating alarms. Whether
you’re monitoring gas levels during excavation, working with
hazardous chemicals, or navigating confined spaces, this device is
designed to protect workers by detecting dangerous gas buildup
before it becomes a serious threat.
Its compact and lightweight design makes it easy to carry around,
while the long battery life ensures continuous operation throughout
long shifts, making it an indispensable tool for industrial safety.
Key Features:
4-in-1 Gas Detection: Simultaneously monitors combustible gases
(LEL), oxygen (O₂), carbon monoxide (CO), and hydrogen sulfide
(H₂S), ensuring comprehensive protection against multiple gas
hazards
Real-Time Monitoring & Instant Alerts: Continuous, real-time
monitoring of gas concentrations with immediate audible, visual,
and vibration alerts to notify workers of dangerous gas levels
Easy-to-Read Display: Large, backlit LCD display shows real-time
gas readings, battery life, and sensor status for quick assessment
Rugged & Durable Design: Built to withstand tough job sites with
impact, dust, and water resistance, ensuring reliability even in
harsh working conditions
Portable & Lightweight: Ergonomically designed for easy
portability, ideal for use in confined spaces, underground areas,
or on-the-go
Long Battery Life: High-capacity rechargeable battery offers up to
10 hours of continuous monitoring, ideal for long workdays or
remote job sites
Simple Calibration & Maintenance: Easy calibration process ensures
ongoing accuracy and reliability, while low-maintenance design
keeps operational costs low
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 |




