Gas Detector


Portable Multi Gas Detector

Portable Multi Gas Detector


Our portable multi gas detector with a large LCD. It can monitor CO, H2S, O2 and combustible gas simultaneously. The instrument with audio/visual and vibratory indicators, rechargeable battery, and simple use. It is widely used in the area where explosion-proof is required or toxic gas leaks, like underground channels or mining industry, so as to protect the workers’ life and avoid damage on the relevant equipments.

About Portable multi gas detector

Portable multi-gas detector is a professional gas detection equipment that can real-time monitor a variety of harmful gases in the environment, such as carbon monoxide, carbon dioxide, hydrogen sulfide, combustible gases, etc. This gas detector ensures your safety.

Portable multi-gas detector play a crucial role in protecting workers from hazardous gases and vapors. These devices can detect multiple types of gases simultaneously and alert users when the concentrations exceed acceptable levels. By providing early warning signs, portable multi-gas detectors enable workers to take immediate action, preventing potential health hazards or even fatalities.


The benefits of 

Portable multi gas detector 

Multi-Gas Detection Capability:

One of the key features of portable multi-gas detectors is their ability to detect various types of gases and vapors simultaneously. These detectors typically measure common industrial gases such as carbon monoxide, hydrogen sulfide, oxygen, and combustible gases. This multi-gas detection capability helps workers identify potential hazards, even in complex environments where multiple gases may be present.

Real-Time Monitoring:

Portable multi-gas detectors provide real-time monitoring, enabling workers to assess the air quality continuously. These devices can display the gas concentrations in a clear and straightforward manner, allowing users to monitor the levels closely and take immediate action if necessary.

Alarm Systems:

Portable multi-gas detectors are equipped with alarm systems that alert users when gas levels exceed pre-set thresholds. Once the alarm is activated, users are immediately notified through audible and visual signals, ensuring prompt action. These alarms effectively warn individuals and prompt them to evacuate the area or take necessary measures to prevent potential health issues.

best carbon monoxide detector

the features of our soil wetness sensor:

Accurate and Sensitive Sensors: Portable multi gas detectors come equipped with highly sensitive sensors that can detect even the slightest traces of gases in the air.

Easy-to-Use Interface: Workers can access the device’s functions with just a few clicks or button presses, making it easy to use even in stressful situations.

Rugged Design: Portable multi gas detectors typically constructed from durable materials and are designed to be impact-resistant, water-resistant, and dust-proof, ensuring that they remain functional even in tough environments.

Real-time Data Logging: Many portable multi gas detectors come with data logging capabilities, which allow them to record real-time gas concentration levels, as well as other data related to the workplace environment.

Portable multi gas detector Parameters



 Technical index
 Detection gas  Any combination of 1-4 gases
 Measurement method  Electrochemical/infrared/catalytic combustion/PID photoion/semiconductor/thermal conductivity
 Display error  ≤±3%F.S
 Response time  T90<30S
 Linearity  ≤±2
 Repeatability  ≤±2
 Rescovery time  ≤±30S
Working temperature -20℃~50℃
Working humidity ≤95%RH non-condensing
Working power 3.6V DC.2000mAh(standard) lithium battery
Display method ≤2.2 inch LCD display
Communication method USB(Charging and communication)
Data storage ≤15,000pieces of data storage space as standard
Charging time ≤8H(standard)
Size 125*65*45mm
Weight 200g
Four in one gas detector probe parameters
Gas type Range Resolution Default alarm point
Flammable gas 0-100%LEL 0-1%LEL 20%LEL
H2S 0-100PPM 0.1PPM 10PPM
CO 0-1000PPM 0.1PPM 50PPM
O2 0-30%VOL 0.1%VOL 18.9%VOL

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Components of a gas detector

To function effectively, gas detectors are equipped with various components that work together to detect, measure, and alert users to the presence of hazardous gases. In this essay, we will explore the key components of a gas detector and their respective functions in detail.

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