GAS and Air Quality Sensor
Buy Gas & Air Quality Sensors Online in India – Reliable Detection Modules for Safety & IoT
DNA Technology, an online electronic component store in India based in Nashik, supplies a comprehensive range of gas and air quality sensors for environmental monitoring, safety systems, and IoT applications. We provide industries, research labs, and embedded developers across India with genuine, performance-tested modules that ensure accurate gas detection and air analysis.
Our sensors are designed to measure the concentration of gases like LPG, CO₂, CO, methane, and smoke while monitoring overall air quality. These modules are ideal for automation systems, air purifiers, and smart home projects.
- ✅ High-accuracy gas & air quality detection sensors
- ✅ Compatible with Arduino, Raspberry Pi & ESP boards
- ✅ Available for LPG, CO₂, CO, smoke & general air quality
- ✅ Fast delivery across India with GST invoice
Explore Our Gas & Air Quality Sensor Range
We stock popular modules including MQ-series sensors (MQ-2, MQ-3, MQ-7, MQ-135), CCS811, and MH-Z19B CO₂ sensors. These sensors provide analog and digital outputs for integration with IoT platforms, safety alarms, and ventilation control systems.
Applications of Gas & Air Quality Sensors
Gas and air quality sensors are widely used in indoor air monitoring, industrial safety systems, environmental control, and IoT automation. They help detect harmful gases, track CO₂ levels, and maintain safe air quality standards in real time.
When you buy gas and air quality sensors online in India, you get authentic and calibrated modules from trusted suppliers — delivered quickly and supported by reliable customer service.
Frequently Asked Questions about Gas & Air Quality Sensors
Q: What types of gas sensors are available?
We offer MQ-series sensors (MQ-2, MQ-3, MQ-7, MQ-135), CCS811, and MH-Z19B modules for detecting gases such as LPG, methane, CO, CO₂, and air pollutants.
Q: Are these sensors suitable for Arduino and IoT projects?
Yes, most modules output analog or I2C signals, making them easy to interface with Arduino, ESP32, and Raspberry Pi boards.
Q: Can I buy single sensors?
Yes, individual sensors and bulk quantities are both available.
Q: Do you provide GST invoices?
Yes, all orders include a GST-compliant invoice from DNA Technology.
Q: What is the average shipping time?
In-stock products are typically shipped within 24 hours, with delivery across India in 2–5 working days.
Q: What if I can’t find a particular gas sensor model?
No worries — simply contact us with your gas type or range requirement, and we’ll help you find the right sensor or equivalent model.
Explore more environmental and safety sensors online in India — all genuine, quality-tested modules ready for fast delivery.
MQ-303A Alcohol Gas Sensor Module
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Rs.295.00 (inc GST)
Rs.250.00 + GST
SKU: 1814 |
Stock: 0
MQ-8 Hydrogen Gas Sensor by Manufacturer
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Rs.190.57 (inc GST)
Rs.161.50 + GST
SKU: 1815 | DAA450
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MQ8 Hydrogen Gas Sensor Module for Detection
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Rs.174.64 (inc GST)
Rs.148.00 + GST
SKU: 1816 | DAB414
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CCS811 Air Quality Gas Sensor Module
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Rs.1,932.84 (inc GST)
Rs.1,638.00 + GST
SKU: 1361 | DAA932
Stock: 9
DFRobot Fermion: Formaldehyde Sensor (Breakout, 0-3ppm MEMS HCHO Detection, Low Power)
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Rs.512.71 + GST
SKU: 10383 | DAJ215
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DFRobot Fermion: H2S Gas Sensor – Hydrogen Sulfide Detector (Breakout, 0.5-50ppm, MEMS, Low Power)
DFRobot Fermion: H2S Gas Sensor – Hydrogen Sulfide Detector (Breakout, 0.5-50ppm, MEMS, Low Power) F..
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Rs.789.83 + GST
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DFRobot Fermion: MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)
DFRobot Fermion: MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)Fermion CO Sensor..
Rs.539.00 (inc GST)
Rs.456.78 + GST
SKU: 10385 | DAJ217
Stock: 10
DFRobot Fermion: MEMS Ethanol Gas Sensor - Compact EtOH Detector (1-500ppm, Breakout)
DFRobot Fermion: MEMS Ethanol Gas Sensor - Compact EtOH Detector (1-500ppm, Breakout) MEMS ethanol s..
Rs.504.00 (inc GST)
Rs.427.12 + GST
SKU: 10373 | DAJ205
Stock: 10
DFRobot Fermion: MEMS Methane CH4 Gas Detection Sensor (Breakout, 1-10000ppm)
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Rs.504.00 (inc GST)
Rs.427.12 + GST
SKU: 10380 | DAJ212
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DFRobot Fermion: MEMS Odor Smell Gas Detection Sensor (Breakout, 0.5-50ppm)
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Rs.539.00 (inc GST)
Rs.456.78 + GST
SKU: 10379 | DAJ211
Stock: 10
DFRobot Fermion: MEMS Smoke Detection Sensor - 10-1000ppm Range (Ethanol Compatible, Breakout)
DFRobot Fermion: MEMS Smoke Detection Sensor - 10-1000ppm Range (Ethanol Compatible, Breakout)Ultra-..
Rs.539.00 (inc GST)
Rs.456.78 + GST
SKU: 10384 | DAJ216
Stock: 10
DFRobot Fermion: NH3 Gas Sensor – Ammonia Detector (Breakout, 1-300ppm, MEMS, Low Power)
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Rs.825.00 (inc GST)
Rs.699.15 + GST
SKU: 10374 | DAJ206
Stock: 5
DFRobot Fermion: VOC Gas Sensor – Volatile Organic Compounds Detector (Breakout, 1-500ppm, MEMS)
DFRobot Fermion: VOC Gas Sensor – Volatile Organic Compounds Detector (Breakout, 1-500ppm, MEMS) Fer..
Rs.504.00 (inc GST)
Rs.427.12 + GST
SKU: 10381 | DAJ213
Stock: 10
DFRobot Gravity: Electrochemical Oxygen / O2 Sensor (0-25%Vol, I2C)
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Rs.5,214.00 (inc GST)
Rs.4,418.64 + GST
SKU: 10350 | DAJ182
Stock: 3
GP2Y1010AU0F Optical Dust Sensor
GP2Y1010AU0F Optical Dust SensorGP2Y1010AU0F Module is used to Sense Dust Particles in air and also ..
Rs.486.75 (inc GST)
Rs.412.50 + GST
SKU: 1511 | DAE082
Stock: 0
MG811 C02 Sensor Module
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Rs.2,449.68 (inc GST)
Rs.2,076.00 + GST
SKU: 2040 | DAB109
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MH-Z14A C02 Sensor module
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Rs.2,800.00 (inc GST)
Rs.2,372.88 + GST
SKU: 1640 | DAB095
Stock: 0
MH-Z19B NDIR CO2 Gas Sensor Module
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Rs.2,377.70 (inc GST)
Rs.2,015.00 + GST
SKU: 1641 | DAB096
Stock: 0
Mics 5524 Air Quality Monitoring Sensor
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Rs.1,095.04 (inc GST)
Rs.928.00 + GST
SKU: 2331 | DAB922
Stock: 3
mics-6814 Air quality Sensor
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Rs.4,439.75 (inc GST)
Rs.3,762.50 + GST






















