Carbon dioxide sensor CO2 detection transmitter 4-20mA/RS485 for Greenhouse agriculture and Office Building

Introduction and Function of Carbon Dioxide (CO2) Sensor

A carbon dioxide sensor(CO2 sensor) is an instrument used to measure the concentration of CO2 in the environment. It helps us understand the levels of CO2 indoors and outdoors, playing a crucial role in various fields. Here is an introduction to and the functions of a carbon dioxide sensor:

Carbon Dioxide (CO2) Sensor Introduction:

A CO2 sensor utilizes specific chemical or optical methods to detect and measure the concentration of CO2 in the environment. It typically consists of a sensor element and a signal processing unit, which can be installed in buildings, vehicles, factories, greenhouses, and other locations.

Carbon dioxide sensor(CO2 sensor) Functions:

1. Indoor Air Quality Monitoring: CO2 sensors play a vital role in monitoring indoor air quality. High concentrations of CO2 can lead to decreased air quality, causing symptoms such as dizziness, fatigue, and lack of concentration. By monitoring indoor CO2 levels, the air quality can be assessed, facilitating timely ventilation and air conditioning measures to improve comfort and health.

2. Energy Management: Carbon dioxide sensors are instrumental in energy management. By monitoring CO2 concentrations in buildings, factories, and equipment, the efficiency of energy utilization can be evaluated, providing a basis for energy-saving measures and carbon emission reduction. In industries involving fermentation, combustion, or processes generating significant amounts of CO2, these sensors can also be used for process monitoring and control.

3. Greenhouse Control: CO2 sensors play a crucial role in greenhouse agriculture. By monitoring CO2 levels inside greenhouses, factors such as ventilation, CO2 supplementation, and irrigation can be adjusted to optimize plant growth conditions. Properly controlled CO2 concentrations promote photosynthesis and growth rates, resulting in increased crop yields and improved quality in greenhouse farming.

4. Environmental Monitoring and Climate Research: CO2 sensors can be used for environmental monitoring and climate research. By measuring CO2 concentrations in the atmosphere, global carbon cycles, climate change, and greenhouse effects can be assessed. CO2 sensors are also employed in urban air quality monitoring, volcano activity observation, and assessment of ocean acidification levels.

In summary, carbon dioxide sensors have significant roles in indoor air quality monitoring, energy management, greenhouse agriculture, and environmental monitoring. They help evaluate CO2 concentrations, optimize environmental conditions, improve quality of life, and contribute positively to sustainable development and environmental preservation.

NBL-W-CO2 carbon dioxide sensor adopts imported sensor chip, which is used to detect the concentration of CO2 in various environments, and has the characteristics of high precision and good stability. 

The signal transmitter adopts advanced integrated circuit modules, which can output voltage, current and other signals according to the different needs of users. The instrument is small in size, easy to install, and reliable in performance; it adopts proprietary line, which has good linearity, strong load capacity, long transmission distance and strong anti-interference ability. This product can be widely used in the detection of carbon dioxide concentration in office buildings, public places, greenhouses, production plants and other places.

CO2 sensors technical parameter：  

Calculation formula：

Current type (4～20mA output):

C=(I-4)/16 × 5000

(C is the measured carbon dioxide concentration value (ppm), I is the output current (mA))

Carbon dioxide sensor data sheet

NBL-W-CO2-Carbon-Dioxide-Sensor-Instruction-Manual-V4.0.pdf