MQ 135 Air Quality/Gas Detector Sensor Module For Arduino
The MQ 135 Air Quality Detector Sensor Module For Arduino is a device that measures the conductivity of the air. The conductivity is low when the air is clean, and high when the air contains combustible gases.
The device can convert the conductivity changes into output signals that indicate the gas concentration levels. The MQ135 gas sensor is especially sensitive to Ammonia, Sulphide, and Benzene steam, as well as smoke and other harmful gases.
This sensor is low-cost and suitable for various applications that require harmful gases/smoke detection.
Features
1. Sensitivity to Ammonia, Sulphide and Benzene steam
2. With signal output instructions
3. The TTL output signal is a low level
4. Analog 0 ~ 5 v voltage output, the higher the concentration, the higher the voltage
5. Color is showing pictures.
6. Sensitive for benzene, alcohol, smoke
7. Fast response and recovery
8. Adjustable sensitivity
9. Signal output indicator
10. Output voltage boosts along with the concentration of the measured gases increases.
The MQ 135 Air Quality/Gas Detector Sensor Module For Arduino is a versatile gas and dust sensor used across a wide range of applications including air quality monitoring, gas leak detection, industrial safety, HVAC systems, and environmental monitoring.
Common use cases:
Building a gas leak alarm for LPG/methane
Monitoring indoor air quality (CO2, VOC)
Dust monitoring in a workshop
This product is ideal for environmental engineers, safety professionals, and IoT developers.
Technical Tip: MQ-series sensors need a warm-up period (24-48 hours for first use). Calibrate in clean air for accurate readings.
Shipping & Delivery
Free shipping on orders above ₹999 across India
Dispatched within 1-3 business days
Expected delivery: 3-7 business days depending on location
Secure packaging to ensure safe transit of electronic components
Genuine Arduino product sourced from authorized channels
Weight
0.01 kg
Dimensions
3 × 3 × 2 cm
15 Days Warranty
Please note that this item is only covered by a standard supplier warranty against manufacturing defects for a period of 15days from the time of delivery. It is important to understand that only manufacturing defects are covered under this warranty, and any other issues will not be considered for reimbursement or replacement. We strongly advise inspecting the product upon delivery to ensure it meets your expectations. In case of any manufacturing defects, we guarantee reimbursement or replacement.
What voids warranty:
If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.
Advik Batra (verified owner) –
Love this MQ 135 Air Quality/Gas Detector Sensor. Using it for my home automation project, very reliable.
Hemant Chopra –
Very satisfied with this MQ 135 Air Quality/Gas Detector Sensor. Fast shipping and genuine components. Zbotic is the best!
Vikram Trivedi (verified owner) –
Nice MQ 135 Air Quality/Gas Detector Sensor for the price. Using it in my college project, performs well.
Nitin Menon (verified owner) –
Pretty good MQ 135 Air Quality/Gas Detector Sensor. Compatible with most libraries. Happy with the purchase.
Hardik Modi (verified owner) –
Excellent MQ 135 Air Quality/Gas Detector Sensor! Perfect for my Arduino project. All pins working correctly.
Sachin Desai (verified owner) –
Decent quality MQ 135 Air Quality/Gas Detector Sensor. Some pins needed cleaning but works fine now.
Mohit Kulkarni (verified owner) –
Fantastic MQ 135 Air Quality/Gas Detector Sensor! All GPIO pins tested and working. Great for prototyping.
Harsh Luthra –
This MQ 135 Air Quality/Gas Detector Sensor is a must-have for any maker. Works perfectly with Arduino IDE.
Daksh Bhat (verified owner) –
This MQ 135 Air Quality/Gas Detector Sensor is a must-have for any maker. Works perfectly with Arduino IDE.
Pankaj Banerjee (verified owner) –
Very satisfied with this MQ 135 Air Quality/Gas Detector Sensor. Fast shipping and genuine components. Zbotic is the best!
Naman Tandon (verified owner) –
This MQ 135 Air Quality/Gas Detector Sensor is genuine quality. My students love working with it in our robotics lab.
Kartik Mehta (verified owner) –
Excellent MQ 135 Air Quality/Gas Detector Sensor! Perfect for my Arduino project. All pins working correctly.
Dhruv Chopra (verified owner) –
Great quality MQ 135 Air Quality/Gas Detector Sensor. Uploaded my first sketch and it worked flawlessly. Ideal for beginners.
Lalit Kapoor (verified owner) –
Using this MQ 135 Air Quality/Gas Detector Sensor for my smart farming project. Reliable and easy to interface.
Jai Chopra (verified owner) –
Decent quality MQ 135 Air Quality/Gas Detector Sensor. Some pins needed cleaning but works fine now.
Ankit Shah (verified owner) –
Great quality MQ 135 Air Quality/Gas Detector Sensor. Uploaded my first sketch and it worked flawlessly. Ideal for beginners.
Abhishek Nair (verified owner) –
Using this MQ 135 Air Quality/Gas Detector Sensor for my smart farming project. Reliable and easy to interface.
Sonali Reddy (verified owner) –
Nice MQ 135 Air Quality/Gas Detector Sensor for the price. Using it in my college project, performs well.
Vivek Panchal (verified owner) –
Using this MQ 135 Air Quality/Gas Detector Sensor for my smart farming project. Reliable and easy to interface.
Yashwant Verma (verified owner) –
Very satisfied with this MQ 135 Air Quality/Gas Detector Sensor. Fast shipping and genuine components. Zbotic is the best!
Chaitanya Zagade (verified owner) –