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PMS7003 PM2.5 Dust Sensor BY PLANTOWER

PMS7003 PM2.5 Dust Sensor by Plantower PMS7003 PM2.5 Sensor for accurate air particle measurement w..

Rs.1,663.80 (inc GST)
Rs.1,410.00 + GST

SKU: 3825 | DAG425
Stock: 2

ZMPT101B AC voltage transformer

ZMPT101B Miniature Voltage Transformer SensorZMPT101B Voltage Transformer Sensor for precise voltage..

Rs.69.38 (inc GST)
Rs.58.80 + GST

SKU: 2405 | DAC237
Stock: 183

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.



Methyl mercaptan (CH3SH) sensor Module

Methyl mercaptan (CH3SH) sensor Module

Methyl mercaptan (CH3SH) sensor ModuleOizom Methyl Mercaptan Sensor Module for accurate CH3SH detect..

Rs.17,639.24 (inc GST)
Rs.14,948.51 + GST

SKU: 10400 | DAJ340
Stock: 0
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
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
MH-Z19B NDIR CO2 Gas Sensor Module

MH-Z19B NDIR CO2 Gas Sensor Module

MH-Z19B NDIR CO2 Gas Sensor ModuleMH-Z19B NDIR infrared Carbon dioxide gas moduleMH-Z19B is a very e..

Rs.2,377.70 (inc GST)
Rs.2,015.00 + GST

SKU: 1641 | DAB096
Stock: 0
Mics 5524 Air Quality Monitoring Sensor

Mics 5524 Air Quality Monitoring Sensor

MiCS 5524 Air Quality Sensor Module MiCS5524 Carbon Monoxide Natural Gas Air Quality Monitoring Sen..

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

SKU: 2331 | DAB922
Stock: 3
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
MICS4514 Gas Sensor Module

MICS4514 Gas Sensor Module

MICS4514 CO & NO2 Gas SensorCJMCU-4541 MICS-4514 carbon monoxide and nitrogen dioxide Gas sensor..

Rs.3,056.20 (inc GST)
Rs.2,590.00 + GST

SKU: 2330 | DAB921
Stock: 2
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
MQ135 Gas Sensor Module for Air Quality Detection

MQ135 Gas Sensor Module for Air Quality Detection

MQ135 Gas Sensor Module for Air Quality DetectionMQ135 Gas Sensor Module with Digital and Analog out..

Rs.151.98 (inc GST)
Rs.128.80 + GST

SKU: 1354 | DAB416
Stock: 3
MQ136 Hydrogen Sulfide Gas Sensor Module

MQ136 Hydrogen Sulfide Gas Sensor Module

MQ136 Hydrogen Sulfide Gas Sensor ModuleMQ136 Gas Sensor for Hydrogen Sulfide detection with digital..

Rs.1,994.20 (inc GST)
Rs.1,690.00 + GST

SKU: 1818 | DAB103
Stock: 2
MQ137 Ammonia Gas Sensor Module for Monitoring

MQ137 Ammonia Gas Sensor Module for Monitoring

MQ137 Ammonia Gas Sensor Module for MonitoringMQ137 Gas Sensor Module for Ammonia detection with ana..

Rs.2,666.80 (inc GST)
Rs.2,260.00 + GST

SKU: 1819 | DAB104
Stock: 1
MQ138 Formaldehyde Gas Detection Sensor Module

MQ138 Formaldehyde Gas Detection Sensor Module

MQ138 Formaldehyde Gas Detection Sensor ModuleMQ138 Sensor for formaldehyde detection, 1-10 ppm rang..

Rs.4,440.93 (inc GST)
Rs.3,763.50 + GST

SKU: 1822 | DAB105
Stock: 1
MQ139 Freon Gas Sensor Module for Monitoring

MQ139 Freon Gas Sensor Module for Monitoring

MQ139 Freon Gas Sensor Module for MonitoringMQ139 sensor detects freon gas from 10 ppm to 1000 ppm, ..

Rs.4,602.00 (inc GST)
Rs.3,900.00 + GST

SKU: 1823 | DAB106
Stock: 0
MQ2 Smoke Flammable Gas Sensor Module

MQ2 Smoke Flammable Gas Sensor Module

MQ2 Smoke Flammable Gas Sensor ModuleMQ2 Smoke Sensor Module with analog and digital output, easy to..

Rs.124.61 (inc GST)
Rs.105.60 + GST

SKU: 514 | DAB408
Stock: 23
MQ3 ALCOHOL GAS SENSOR

MQ3 ALCOHOL GAS SENSOR

MQ3 Alcohol GAS SensorMQ3 GAS Sensor is and Alcohol Gas Sensor and used for sensing concentration of..

Rs.118.00 (inc GST)
Rs.100.00 + GST

SKU: 1 | DAA447
Stock: 16
MQ3 Alcohol Gas Sensor Module

MQ3 Alcohol Gas Sensor Module

GAS MQ3 Alcohol Gas Sensor Module for MicrocontrollersMQ3 Alcohol Gas Sensor Module with digital out..

Rs.129.80 (inc GST)
Rs.110.00 + GST

SKU: 513 | DAB409
Stock: 5
MQ5 GAS SENSOR

MQ5 GAS SENSOR

MQ5 GAS SENSORMQ5 Gas Sensor detects LPG and natural gas, featuring high sensitivity, fast response,..

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

SKU: 330 | DAA443
Stock: 7
MQ5 Gas Sensor Module

MQ5 Gas Sensor Module

MQ5 Gas Sensor ModuleMQ5 Gas Sensor Module for detecting Methane, LPG, and natural gas with analog a..

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

SKU: 517 | DAB411
Stock: 15
MQ6 LPG GAS Sensor Module

MQ6 LPG GAS Sensor Module

MQ6 LPG Gas Sensor Module for MicrocontrollersMQ6 LPG Gas Sensor Module with analog and digital outp..

Rs.133.34 (inc GST)
Rs.113.00 + GST

SKU: 939 | DAB412
Stock: 27
MQ7 CO Sensor Module

MQ7 CO Sensor Module

GAS MQ7 Carbon Monoxide Sensor ModuleMQ7 Gas Sensor Module for Carbon Monoxide detection with analog..

Rs.130.98 (inc GST)
Rs.111.00 + GST

SKU: 940 | DAB413
Stock: 15
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