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MG811 Carbon Dioxide Sensor For Carbon Dioxide Detector Module
MG811 Carbon Dioxide Sensor For Carbon Dioxide Detector Module
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- MG-811 Carbon Dioxide Sensor Module is a carbon dioxide sensor (CO2) sensor that is a Metal Oxide Sensor.
- Useful for greenhouses and medical projects.
- This module includes digital output pin.
- The Potentiometer on board is used to set the Digital Output Setpoint.
- Compatible with Arduino & Raspberry Pi (for use on analog output with Raspberry Pi you will need an Analog to Digital Converter Chip).
- These sensors have a wide detection range, as well as high sensitivity and stability.
MG811 Carbon Dioxide Sensor
MG-811 Carbon Dioxide Sensor Module (Carbon dioxide sensor) is a carbon dioxide sensor (CO2) sensor that is a Metal Oxide Sensor sensor, which must heat the tank to the specified level. (With the method of supplying power) will cause heat vapor and separate CO2 from the air. This sensor module has an MG-811 onboard as the sensor component. A signal output circuit for heating the sensor The MG-811 is highly sensitive to CO2 and less sensitive to alcohol and CO. The output voltage of the CO2 increases.
Useful for greenhouses and medical projects. Sends an analog signal that decreases as the concentration of CO2 increases. This module also includes a digital output pin with TTL output. The Potentiometer on board is used to set the Digital Output Setpoint. After setting the potentiometer threshold, once that threshold is reached, an LED on the sensor will illuminate and the digital pin will give a HIGH voltage signal.
Features:
- High Sensitivity to CO2: Detects even low concentrations of carbon dioxide.
- Analog Voltage Output: Provides a variable voltage output corresponding to CO2 levels.
- On-board Heating Circuit: Maintains optimal sensor temperature for accurate readings.
- Signal Conditioning Circuit: Amplifies the output signal for better accuracy.
- Rapid Response and Recovery Time: Quickly detects changes in CO2 levels.
- Operating Voltage: Typically operates at 6V.
Applications:
- Air Quality Control
- Ferment Process Control
- Room Temperature CO2 concentration Detection
- Controlling environment horticulture
- Process control
Pinout:
- VCC: 6V ( You can use a 4 AA battery holder for this ).
- AOUT: Analog Output (voltage decreases as CO2 Levels increase).
- DOUT: Digital Output that goes HIGH when the threshold is reached (set the threshold by turning the onboard potentiometer).
- GND: 0V.
Package Includes:
- 1 x MG811 Carbon Dioxide Sensor
Specification:
| Sensor Type | Gas Sensor |
| Chip | MG811 |
| Gas Sensitive | Carbon Dioxide |
| Operating Voltage (V) | 6V DC |
| Dimensions | 3.2 x 2.2 x 2.9 cms |
| Weight | 10 grams |
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
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1. What are gas sensors? How do they work?
- Gas sensors (also known as gas detectors) are electronic devices that detect and identify different types of gasses. They are commonly used to detect toxic or explosive gasses and measure gas concentration.
Gas sensor detects the presence or concentration of gases in the atmosphere. Based on the concentration of the gas the sensor produces a corresponding potential difference by changing the resistance of the material inside the sensor, which can be measured as output voltage. Based on this voltage value the type and concentration of the gas can be estimated.
2. How to use MG-811 Gas Sensor?
- Power the module with 5V and you should notice the power LED on the module to glow and when no gas it detected the output LED will remain turned off meaning the digital output pin will be 0V. Remember that these sensors have to be kept on for pre-heating time before you can actually work with it. Now, introduce the sensor to the gas you want to detect and you should see the output LED to go high along with the digital pin, if not use the potentiometer until the output gets high. Now every time your sensor gets introduced to this gas at this particular concentration the digital pin will go high (5V) else will remain low (0V).
3. What are the typical applications of the MG811 sensor?
Typical applications include:
Air Quality Control: Monitoring and controlling indoor air quality.
Fermentation Process: Monitoring CO2 levels during fermentation in brewing and other processes.
Indoor Air Monitoring: Ensuring safe CO2 levels in indoor environments
4. What is the operating voltage for the MG811 sensor?
- The MG811 sensor typically operates on a DC voltage of around 6V. It includes an on-board heating circuit to maintain the optimal temperature for accurate readings
5. How is the output of the MG811 sensor interpreted?
- The output of the MG811 sensor is an analog voltage that decreases as the CO2 concentration increases. This voltage can be read by a microcontroller or other data acquisition systems to determine the CO2 concentration in the air
