Introduction
The concentration of carbon dioxide (0.03% usually) is related to daily life. Recently, there’s a study showing that the atmospheric CO2 content has reached 0.0385% (385 ppm) which is the highest value since 2.1 million years. The raise of atmospheric CO2 content to some extent results in global climate change. How to accurately measure carbon dioxide gas concentration is becoming a universal research topic.
DFRobot released its latest high-precision infrared ArduinoÂ
CO2 sensor. The effectively measuring range is from 400 to 5000ppm. This sensor is based on non-dispersive infrared (
NDIR) technology and has good selectivity and oxygen-free dependency. Besides, its service life could up to 5 years!
In addition, this Gravity: Infrared CO2 Sensor For Arduino (400~5000 ppm) is a high-performance sensor that combines technology of mature infrared absorption gas detection with precision optical circuit design as well as sophisticated circuit design. It has characteristics such as high sensitivity, high resolution, low power consumption, fast response, anti-water vapor interference, no poisoning, high stability, and long life.
This Gravity: Infrared CO2 Sensor is able to directly compatible with the DFRobot Arduino IO expansion board thanks to its external DFRobot Gravity interface. This character simplify the use of the sensor as it is plug and play and no need additional wiring.
This CO2 Sensor could be widely used in HVAC, indoor air quality monitoring, industrial process, and security protection monitoring, agriculture, and animal husbandry production process monitoring.
In addition, we also have a 0~50000 ppm wide-range infrared sensor with Gravity UART interface, Compatible with Arduino, Raspberry Pi, and other microcontrollers: Gravity: UART
Infrared CO2 Sensor (0~50000ppm).
Infrared CO2 Sensor For Arduino Tutorial:
ESP32 Arduino: Using an infrared CO2 sensor
ESP32 Arduino: Temperature, humidity and CO2 concentration web server
Features
Waterproof and anti-corrosion
High sensitivity
Low power consumption
Excellent stability
Temperature compensation
Excellent linear output
High cycle life
Anti-water vapor interference
No poisoning
Specification
Detection Gas: Carbon Dioxide (CO2)
Power Supply: 5.0±0.1V DC
Average Current: 40mA@5V
Peak Current: ?125@5V
Output Signal: PWM
Preheat: 1min
Response Time: T90 ? 120s
Working Temperature: -10??50?
Working Humidity: 0?95%RH (non-condensing)
Detection Range: 400?5000 ppm
Resolution: 1ppm
Accuracy: ±(50ppm+5% rdg)
Dimension: 69×37mm/2.72×1.46"
Shipping List
Gravity: PWM Infrared Carbon Dioxide Sensor (400-5000 ppm) x1
Digital Sensor Cable for Arduino x1
Documents
Product Wiki
Projects
Project 1: Making An Indoor Air Quality Monitor With A DFRobot CO2 Sensor
Introduction: This video is going to be making an indoor air quality monitor using a DFRobot CO2 Sensor and a BME280 Environment Sensor. Together these sensors will provide, CO2 concentration, temperature,
air pressure and humidity readings, which will be locally available on an OLED display and will be accessible over the internet through a Grafana dashboard.
Project 2: How to Interface Gravity Infrared CO2 Sensor with Arduino
to Measure Carbon Dioxide in PPM
Introduction: This tutorial is going to interface the Gravity Infrared CO2 Sensor with Arduino to measure the CO2 concentration in PPM.
