Electrochemical CO gas sensor – Carbon monoxide gas sensor


Electrochemical CO gas sensor Introduction

Electrochemical CO gas sensor is an electrochemical sensor which can realize quantitative measurement of carbon monoxide gas through electrochemical principle. The detection principle of carbon monoxide sensor is to use carbon monoxide to produce REDOX reaction on the working electrode and the counter electrode and release charge to form current. The generated current is proportional to the concentration of carbon monoxide, and the concentration of carbon monoxide can be measured by measuring the current.

Electrochemical CO gas sensor has the characteristics of high sensitivity, fast response speed, not easy to be interfered with, wide use, easy installation, plug and play and so on. Widely used in industrial and environmental protection areas of carbon monoxide concentration detection.

Electrochemical CO gas sensor

Electrochemical CO gas sensor Features:

1, small size, light weight

The machine is compact in size, light in weight and easy to install. It can be used in portable, fixed, pipe type and other appearance sensors.

2. High-performance chip

Breakthrough process technology, three electrode structure design product performance significantly improved.

3, temperature compensation function

Built-in temperature compensation function, factory accurate calibration, direct use, no need to use again calibration.

4, high resolution sensitivity

Variable gain amplifier circuit, strong anti-interference ability, the product into the gas detection environment, response speed is fast, after leaving back to zero speed is very fast.

Electrochemical CO gas sensor Parameters

Detection gas: Carbon monoxide (CO)

Range: 0-1000ppm (default), 0-2000ppm (optional)

Resolution: 0.1ppm

Detection principle: electrochemistry

Response time: T90≤15s

Accuracy: ≤ reading soil 3%(25°C)

Operating voltage: 5V 2%

Output signal: TTL/ analog voltage/analog current /RS485/RS232

Life expectancy: 1 year

Operating environment: -10~50°C 15%~90%RH ATM 10%

Shape and material: Height: 29.5mm (soil 0.25mm), material: aluminum alloy weight: 10g

Carbon monoxide gas sensor

Product application scope

It is widely used in the production and installation of portable and fixed gas detector. And a variety of gas detection occasions and equipment.



Carbon monoxide is a carbon-oxygen compound with a chemical formula of CO. It is usually a colorless, odorless, and tasteless gas. At the same time, it is toxic. Higher concentrations can cause people to have different levels of symptoms of poisoning, harm the human brain, heart, liver, kidney, lung, and other tissues, and even death by electric shock. The minimum lethal concentration of human inhalation is 5000 ppm (5 minutes).


Coking, ironmaking, and other production processes in the metallurgical industry

Synthetic ammonia, methanol, and other production processes in the chemical industry

Mine blasting and coal mine gas explosion accidents

Exhaust emissions from vehicles and other vehicles

Incomplete combustion of fuel in the boiler

Gas or liquefied gas pipeline leaks from coal stoves in family rooms, natural disasters such as volcanic eruptions, forest fires, earthquakes, etc.


Carbon monoxide is an atmospheric pollutant. It is the most abundant and widely distributed in the atmosphere. It is the product of incomplete combustion of carbonaceous materials such as coal and petroleum.


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