Portable LEL gas detector – Handheld Combustible gas sensor


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Portable LEL gas detector Introduction

The portable LEL gas detector is a gas detector that detects combustible gases by natural diffusion. Portable LEL gas detector has sensitive probe, acousto-optic alarm, automatic temperature repair, backlight display and other characteristics. The shell of the combustible gas detector is made of high-strength engineering plastics and anti-slip design, which is easy to use and maintain. The use of high precision combustible gas sensor, and the ground to meet the industrial site safety testing on the equipment accuracy and stability requirements. Widely used in gas station, chemical plant, kitchen gas, natural gas, metallurgy workshop and other occasions in the concentration of combustible gas detection.

Portable LEL gas detector

Portable LEL gas detector Features

1, high quality sensor, high sensitive probe

Sensitive response, quick response, accurate measurement.

2, mechanical principle, humanized design

Anti-slip design based on the principle of human mechanics, let us ensure the sensitivity and accuracy of the product under the premise of strengthening human comfort, so that the product in line with human operating habits.

3, 200,000 data storage/large capacity

One click export/fast and convenient, can enter the menu to view, can browse/delete records.

4, over limit multiple alarm function

When the detected gas is more than the set gas value, the sensor opens the light alarm, high decibel beep, the instrument is marked red, timely reminder, high safety.

5, high-definition display

IPS color screen with 320* 240 resolution.

6, lithium battery power durable endurance

Rechargeable lithium battery, large battery capacity, long standby time, support mobile power supply.

Portable LEL gas detector Parameters

Detection gas: combustible gas

Measurement range: 0-100%LEL

Resolution: 0.1%LEL

Default Alarm point: 20%LEL

Charging time: ≤8H (standard)

Display error: ≤ soil 3%F.S

Explosion-proof mark: EXIA II CT6

Recovery time: ≤30S

Protection level: IP65

Response time: T90<30s

Linearity: ≤ 2

Repeatability: ≤ soil 2

Operating temperature: -20°C~50°C

Power supply: 3.6V DC, 1500mAh (standard) lithium battery

Communication mode: USB (charging and communication)

Data storage: The default storage function is not provided. You can customize the data storage function of 15,000 or 200,000 pieces

Combustible gas sensor


The instrument can easily handle various application environments, suitable for gas storage leak monitoring, food factory, greenhouse detection, workshop disinfection residue detection, gas leakage, indoor air gas detection.


What is flammable gas?

Combustible gas refers to the substance that can ignite and show gas state under normal temperature and pressure. Such as hydrogen, acetylene, ethylene, ammonia, hydrogen sulfide and so on. Combustible gases have the general characteristics of gases. A component of the combustible gas called a single gas; A mixture of two or more combustible gases is called a mixed combustible gas. Combustible gas in the corresponding combustion medium, mixed in a certain proportion, under the action of ignition source, can cause combustion or explosion.

What is a combustible gas detector?

A combustible gas detector is a detector that responds to a single or multiple concentrations of combustible gases. It can be used to detect the content of combustible gas in the industrial environment and daily living environment. The intelligent sensing transmitter is the most complete functional combustible gas sensing transmitter.

What are the hazards of combustible gas to human body?

1. Explosion: The high temperature and pressure caused by the explosion of combustible gas will cause direct injury to the body, such as burn and tear injury.

2. Inhalation poisoning: carbon monoxide (CO), argon sulfide (H2S), nitrogen dioxide (NO2) and sulfur dioxide (SO2) are toxic gases, which will cause direct damage to the body when inhaled in excess.

3. Hypoxia: when the concentration of flammable gas in the tunnel is too high, the oxygen content in the air is insufficient, and the construction personnel lack sufficient oxygen for the normal operation of blood circulation.


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