Infrared CO2 module – NDIR carbon dioxide gas sensor


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Product Introduction:

The infrared CO2 gas sensor is a carbon dioxide sensor used to detect the concentration of carbon dioxide. The principle of non-dispersive infrared (NDIR) is used to detect the CO2 in the air. Excellent performance characteristics including high accuracy and low power consumption. The module contains two detection elements to make the measurement more accurate. Infrared CO2 gas sensor has a wide range of uses, can be used to create comfortable environment and energy saving ventilation control and air conditioning equipment, small detectors, etc., can also be used for industrial gas manufacturers, industrial gas users and safety monitoring.

infrared CO2 gas sensor

Infrared CO2 gas sensor Features

1. The good selectivity of large-range monitoring products makes up for the shortcomings of traditional electrochemical sensors in the selection of high-range testing range.

2, without fear of harsh environment using imported infrared light source and double channel pyroelectric measurement, and can automatically compensate the temperature function, even in harsh temperature and environmental conditions, also can obtain stable and reliable measurement results.

3. Long service life, NDIR sensor has no obvious use consumption compared with traditional electrochemical sensor, and has a long service life.

4, zero calibration function: convenient for users to calibrate zero.

Infrared CO2 gas sensor parameters

Measurement range: 0-2000/0-5000/0-10000/0-30000/0-50000ppm
Measurement accuracy: 50ppm soil 5%F.S(25°C)
Response time: <30s
Preheating time: <3min
Accuracy: <15min
Operating voltage: 5V DC
Average power consumption: <60mA
Operating humidity: 0~95%RH(non-condensation)
Operating temperature: -10~60°C
Storage temperature: -20~70°C


It can be widely used in HVAC replacement risk control system, indoor air quality monitoring, agricultural and animal husbandry production process monitoring, and can be installed in intelligent buildings, ventilation systems, controllers, wall hanging, robots, automobiles and other applications.

CO2 sensor


What is carbon dioxide?

Carbon dioxide is a kind of carbon-oxygen compound with the chemical formula of CO2. It is a colorless and odorless gas under normal temperature and pressure. It is also a common greenhouse gas and a component of air (0.03%-0.04% of the total volume of the atmosphere).

How does a carbon dioxide sensor work?

co2 sensor working principle: The carbon dioxide gas sensor measures gaseous carbon dioxide levels by detecting the quantity of IR radiation absorbed by carbon dioxide molecules.

How to choose a carbon dioxide sensor?

First, choose the best co2 sensor according to the place of use: If the measurement environment is not fixed and the measurement time is short, you can choose a portable co2 detector, which can be carried around and is convenient to use. If the detection environment is fixed and need long-term monitoring, wall-mounted carbon dioxide sensor or home carbon dioxide sensor can be selected, which can be monitored after installation. If you want to monitor the CO2 concentration in a flammable and explosive environment, you can choose an explosion-proof co2 detector. To measure the concentration of co2 in the pipeline, select a duct mount carbon dioxide sensor. If you have other questions, you can contact us and we have professional and technical personnel to answer you.


Infrared CO2 gas sensor Introduction Manual

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