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ASAIR AM2305B Digital Temperature and Humidity Sensor

ASAIR AM2305B Digital Temperature and Humidity SensorASAIR AM2305B Sensor with digital signal output..

Rs.1,590.70 (inc GST)
Rs.1,348.05 + GST

SKU: 8973 | DAI187
Stock: 15

XY MD02 Modbus SHT20 Sensor Temperature and Humidity Transmitter

XY Temperature and Humidity Transmitter ModuleXY MD02 SHT20 Sensor for precise temperature and humid..

Rs.590.00 (inc GST)
Rs.500.00 + GST

SKU: 4027 | DAG749
Stock: 200

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.



DFRobot Fermion: MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)

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: 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)

DFRobot Fermion: H2S Gas Sensor – Hydrogen Sulfide Detector (Breakout, 0.5-50ppm, MEMS, Low Power) F..

Rs.932.00 (inc GST)
Rs.789.83 + GST

SKU: 10382 | DAJ214
Stock: 10
DFRobot Fermion: NH3 Gas Sensor – Ammonia Detector (Breakout, 1-300ppm, MEMS, Low Power)

DFRobot Fermion: NH3 Gas Sensor – Ammonia Detector (Breakout, 1-300ppm, MEMS, Low Power)

DFRobot Fermion: NH3 Gas Sensor – Ammonia Detector (Breakout, 1-300ppm, MEMS, Low Power)Fermion MEMS..

Rs.879.34 (inc GST)
Rs.745.20 + GST

SKU: 10374 | DAJ206
Stock: 5
ASAIR AO-02 OXYGEN SENSOR

ASAIR AO-02 OXYGEN SENSOR

ASAIR AO-02 Oxygen Sensor - Electrochemical Gas Sensor ASAIR AO-02 Oxygen Sensor provides accurate ..

Rs.2,087.88 (inc GST)
Rs.1,769.39 + GST

SKU: 9794 | DAI569
Stock: 3
Winsen ZPHS01B All In One - Air Quality Monitoring Sensor Module

Winsen ZPHS01B All In One - Air Quality Monitoring Sensor Module

Winsen ZPHS01B All In One Air Quality Monitoring Sensor Module Winsen ZPHS01B sensor module for air ..

Rs.12,946.96 (inc GST)
Rs.10,972.00 + GST

SKU: 3642 | DAF112
Stock: 2
DFRobot Fermion: MEMS Methane CH4 Gas Detection Sensor (Breakout, 1-10000ppm)

DFRobot Fermion: MEMS Methane CH4 Gas Detection Sensor (Breakout, 1-10000ppm)

DFRobot Fermion: MEMS Methane CH4 Gas Detection Sensor (Breakout, 1-10000ppm)MEMS Methane CH4 sensor..

Rs.504.00 (inc GST)
Rs.427.12 + GST

SKU: 10380 | DAJ212
Stock: 10
GP2Y1014AU0F Optical Dust Sensor

GP2Y1014AU0F Optical Dust Sensor

GP2Y1014AU0F Optical Dust SensorGP2Y1014AU0F Optical Dust Sensor for precise particulate detection w..

Rs.542.80 (inc GST)
Rs.460.00 + GST

SKU: 10516 | DAJ645
Stock: 20
DFRobot Fermion: MEMS Odor Smell Gas Detection Sensor (Breakout, 0.5-50ppm)

DFRobot Fermion: MEMS Odor Smell Gas Detection Sensor (Breakout, 0.5-50ppm)

DFRobot Fermion: MEMS Odor Smell Gas Detection Sensor (Breakout, 0.5-50ppm)Fermion MEMS Sensor for o..

Rs.539.00 (inc GST)
Rs.456.78 + GST

SKU: 10379 | DAJ211
Stock: 8
PMS5003 PM2.5 AIR QUALITY SENSOR BY PLANTOWER

PMS5003 PM2.5 AIR QUALITY SENSOR BY PLANTOWER

PMS5003 PM2.5 Air Quality SensorPMS5003 sensor measures PM2.5, PM1.0, PM10 using laser scattering te..

Rs.1,758.20 (inc GST)
Rs.1,490.00 + GST

SKU: 7196 | DAG365
Stock: 50
MQ2 GAS SENSOR

MQ2 GAS SENSOR

MQ2 GAS SENSORMQ2 Gas Sensor for detecting smoke, LPG, CO, and alcohol with a range of 200 to 10000p..

Rs.116.82 (inc GST) Rs.141.60
Rs.99.00 + GST

SKU: 164 | DAA445
Stock: 2
ZH03B Laser Dust Sensor Module

ZH03B Laser Dust Sensor Module

Winsen ZH03B Particles Sensor PM2.5 Dust SensorWinsen ZH03B PM2.5 Dust Sensor detects dust particles..

Rs.2,050.00 (inc GST)
Rs.1,737.29 + GST

SKU: 2139 | DAB517
Stock: 50
Mics 5524 Air Quality Monitoring Sensor

Mics 5524 Air Quality Monitoring Sensor

MiCS 5524 Air Quality Monitoring Module MiCS5524 Air Quality Sensor for CO and Natural Gas detecti..

Rs.1,095.04 (inc GST)
Rs.928.00 + GST

SKU: 2331 | DAB922
Stock: 5
MG811 C02 Sensor Module

MG811 C02 Sensor Module

MG811 Carbon Dioxide Gas Sensor ModuleCarbon Dioxide  (C02) Gas sensor ModuleThe CO2 sensor are..

Rs.2,449.68 (inc GST)
Rs.2,076.00 + GST

SKU: 2040 | DAB109
Stock: 4
MQ131 Ozone Gas Sensor Module

MQ131 Ozone Gas Sensor Module

MQ131 Gas Sensor for Ozone DetectionMQ131 Gas Sensor for monitoring ozone gas concentration with dig..

Rs.2,596.86 (inc GST)
Rs.2,200.73 + GST

SKU: 1820 | DAB107
Stock: 2
MQ4 GAS SENSOR

MQ4 GAS SENSOR

MQ4 GAS SENSORMQ4 GAS SENSOR with high sensitivity, fast response time, and analog output.The MQ4 GA..

Rs.175.23 (inc GST)
Rs.148.50 + GST

SKU: 177 | DAA446
Stock: 9
MQ6 LPG GAS SENSOR

MQ6 LPG GAS SENSOR

MQ6 LPG Gas Sensor for Home and Vehicle SafetyMQ6 LPG Gas Sensor detects LPG leaks with high sensiti..

Rs.113.28 (inc GST)
Rs.96.00 + GST

SKU: 35 | DAA449
Stock: 13
mics-6814 Air quality Sensor

mics-6814 Air quality Sensor

mics-6814 Air quality SensorMics-6814 Air quality Sensor ModuleThis module is a basically a breakout..

Rs.4,439.75 (inc GST)
Rs.3,762.50 + GST

SKU: 1706 | DAA917
Stock: 2
MH-Z14A C02 Sensor module

MH-Z14A C02 Sensor module

MH-Z14A C02 Sensor moduleMH-Z14A Infrared Carbon Dioxide Sensor moduleMH-Z14A Infrared CO2 gas senso..

Rs.2,800.00 (inc GST)
Rs.2,372.88 + GST

SKU: 1640 | DAB095
Stock: 0
DFRobot Gravity I2C Oxygen Sensor

DFRobot Gravity I2C Oxygen Sensor

DFRobot Gravity I2C High-Precision Oxygen Sensor DFRobot Gravity I2C Oxygen Sensor for precise O₂ d..

Rs.6,552.00 (inc GST)
Rs.5,552.54 + GST

SKU: 9739 | DAI598
Stock: 0
ZMPT101B AC Voltage Sensor Module

ZMPT101B AC Voltage Sensor Module

ZMPT101B AC Voltage Sensor Module ZMPT101B AC Voltage Sensor Module for monitoring AC mains voltage ..

Rs.155.76 (inc GST)
Rs.132.00 + GST

SKU: 1666 | DAA789
Stock: 10
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