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This advanced CO2 monitor and humidity controller, equipped with a Non-Dispersive InfraRed (NDIR) sensor, is designed to maintain optimal indoor air quality in homes, offices, and various commercial spaces. It provides accurate measurements of CO2 levels, humidity, and temperature, helping to prevent fatigue, lack of concentration, and potential health issues caused by poor air quality. The built-in relay function allows for automated control of ventilation systems, ensuring that CO2 levels stay within a healthy range. The device features an audible alarm to alert users when CO2 levels exceed the set limits, making it a reliable choice for maintaining a safe and comfortable indoor environment.
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Built-in Relay Function: Controls the ventilation system to automatically maintain the CO2 level that you set or specify.
Measuring Range: CO2: 0~9999ppm ; Humidity: 0.0 ~ 99.9%; Temperature: -10.0 ~ 60.0 ° C (14 ~ 140 ° F).
Built-in Non-Dispersive InfraRed (NDIR) sensor: Provides long-term & accurate Continuous monitoring.
Power Supply: 1A Output 12V AC Adaptor With 100V-240V power input and include power adaptor.
Usage: Control CO2 level for grow room greenhouses, Monitoring air quality in schools, office, home, factories, hospitals, etc. and anywhere that need to keep the fresh air.
The industrial wall mount CO2 Sensor & Controller is designed for fast & accurate measurement of CO2 level, humidity and temperatures of air, dew point and wet CO2 bulb. It monitors concentration level and can controls ventilation system such as air conditioning to operate only when its necessary without the need for occupant intervention. With CO2 Monitor & Controller you are ensured with a healthy workplace requiring minimum energy consumption while simultaneously maintaining Indoor Air Quality (IAQ).
The meter is designed with a built-in relay, which can be connected to an Indoor Air Quality (IAQ) system to control the opening and closing of the system. It also allows you to set 2 limits, upper limit or the maximum CO2 concentration and the lower limit or the normal CO2 concentration level.



Hospitals, Offices, Schools, Theaters, Indoor Sports Arenas, High Rise Buildings, Indoor Area Quality, Commercial Buildings, Residential Housing, Public Buildings, Demand Controlled Ventilation, Clean Rooms.
Poor indoor air quality in rooms can lead to fatigue, lack of concentration and illness (Sick Building Syndrome) due to a high concentration of CO2 level.

In addition, it has PC Link that can send gathered data directly to your PC for on-line logging and data analysis via the optional RS-232 interface and software (not included in the set).
With 100V ~ 240V power input and include power adaptor


1 x Wall Mountable Carbon Dioxide Monitor,
1 x 12V Power Adaptor,
English Operation manual,
Standard packaging box
Since installing this CO2 monitor in my office, I've noticed a significant improvement in air quality. I no longer feel that afternoon slump! The temperature and humidity readings are accurate, and the alarm is a great safety feature. Setup was easy, and I appreciate the included power adapter. Highly recommend!
I bought this CO2 monitor for my grow room and it's been a game changer! The built-in relay function is fantastic – it automatically controls the ventilation to maintain the CO2 levels I set. The NDIR sensor is accurate and reliable, which gives me peace of mind. Definitely worth the investment!
Perfect for Home Use
I purchased this to monitor the air quality in my home, especially during the winter months when the windows are closed. It's reassuring to know that the CO2 levels are being monitored, and the relay function connected to my ventilation system keeps everything in check. The display is clear and easy to read.