MQ9 Carbon Monoxide, Methane and LPG Gas Sensor Module Subtotal: ₹110.00
Browse our range of Gas and Air Quality Sensors designed to detect and measure harmful gases, pollutants, and overall air quality. Ideal for Arduino, ESP32, Raspberry Pi, and other microcontroller platforms, these sensors are perfect for environmental monitoring, smart homes, industrial safety, and DIY air purifiers.
We offer popular modules like MQ-series gas sensors (MQ-2, MQ-3, MQ-135), CO₂ sensors, and VOC detectors that can measure gases such as LPG, CO, smoke, alcohol, ammonia, and more. These sensors help detect unsafe air conditions and are widely used in IoT-based health and safety systems.
Gas & Air Quality Sensors
Showing all 5 results
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Gas & Air Quality Sensors, Sensors
MQ 135 Air Quality/Gas Detector Sensor Module
- Sensitivity to Ammonia, Sulphide and Benzene steam
- With signal output instructions
- The TTL output signal is a low level
- Analog 0 ~ 5 v voltage output, the higher the concentration, the higher the voltage
- Color is showing pictures.
- Sensitive for benzene, alcohol, smoke
- Fast response and recovery
- Adjustable sensitivity
- Signal output indicator
- Output voltage boosts along with the concentration of the measured gases increases.
SKU: 12040002 -
Gas & Air Quality Sensors, Sensors
MQ3 Alcohol Gas Sensor Module
- Detects alcohol, ethanol, and vapor concentrations
- Operating voltage: 5V DC
- Dual output: Analog (AO) and Digital (DO)
- Adjustable sensitivity via onboard potentiometer
- Long lifespan and stable performance
- Compatible with Arduino, ESP32, ESP8266, Raspberry Pi
SKU: 12040003 -
Gas & Air Quality Sensors, Sensors
MQ4 Methane Natural Gas Sensor Module
- Detects methane (CH4) and natural gas
- Dual output: analog voltage and digital signal
- High sensitivity and rapid response
- Adjustable detection threshold via onboard potentiometer
- Operating voltage: 5V DC
- Long lifespan and reliable performance
- Compatible with Arduino, ESP8266, ESP32, STM32, Raspberry Pi, and more
SKU: 12040007 -
Gas & Air Quality Sensors, Sensors
MQ6 LPG Propane Gas Sensor Module
- Detects LPG, butane, propane, and flammable gases
- Operating Voltage: 5V DC
- Analog and digital outputs
- Sensitivity adjustable via onboard potentiometer
- High accuracy and fast response time
- Compatible with Arduino, ESP32, Raspberry Pi
- Long lifespan and stable operation
- Easy-to-use 4-pin interface
SKU: 12040004 -
Gas & Air Quality Sensors, Sensors
MQ9 Carbon Monoxide, Methane and LPG Gas Sensor Module
- Detects carbon monoxide, methane, and LPG
- Dual output: analog voltage and digital signal
- Adjustable sensitivity via onboard potentiometer
- Operating voltage: 5V DC
- High sensitivity and quick response time
- Compact and durable design for long-term use
- Compatible with Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other development boards
SKU: 12040006
