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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: 30

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.



Winsen ME3-C2H4 Module

Winsen ME3-C2H4 Module

Winsen ME3-C2H4 Electrochemical Gas Sensor Module Winsen ME3-C2H4 Module for C2H4 detection with hi..

Rs.10,502.59 (inc GST)
Rs.8,900.50 + GST

SKU: 7091 | DAH019
Stock: 0
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
ZMCT103C AC Current Sensor Module

ZMCT103C AC Current Sensor Module

ZMCT103C AC Current Sensor ModuleZMCT103C 5 Ampere AC Current Sensor with analog output, precise mea..

Rs.112.10 (inc GST)
Rs.95.00 + GST

SKU: 1707 | DAA859
Stock: 100
Nova PM2.5 SDS011 Air Quality Sensor Module

Nova PM2.5 SDS011 Air Quality Sensor Module

Nova PM Sensor SDS011 PM2.5 Air Quality Detection SensorSDS011 PM2.5 Dust Sensor + Laser Detection +..

Rs.2,380.06 (inc GST)
Rs.2,017.00 + GST

SKU: 1999 | DAA980
Stock: 10
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
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
CCS811 Air Quality Gas Sensor Module

CCS811 Air Quality Gas Sensor Module

CCS811 Air Quality Gas Sensor ModuleCCS811 Air Quality Sensor ModuleThe CCS811 Air Quality Breakout ..

Rs.1,932.84 (inc GST)
Rs.1,638.00 + GST

SKU: 1361 | DAA932
Stock: 9
Winsen ZE03-H2 GAS Sensor Module

Winsen ZE03-H2 GAS Sensor Module

Winsen ZE03-H2 GAS Sensor ModuleElectrochemical Detection Module ZE03-H2ZE03-H2 Gas sensor can be us..

Rs.13,259.66 (inc GST)
Rs.11,237.00 + GST

SKU: 1769 | DAB097
Stock: 0
Winsen ZE03-CO GAS Sensor Module

Winsen ZE03-CO GAS Sensor Module

Winsen ZE03-CO GAS Sensor ModuleElectrochemical Detection Module ZE03-COZE03-CO Gas sensor can be us..

Rs.4,956.00 (inc GST)
Rs.4,200.00 + GST

SKU: 1762 | DAB101
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
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
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
SGP30 Gas Sensor TVOC & eCO2

SGP30 Gas Sensor TVOC & eCO2

SGP30 Gas Sensor for TVOC and eCO2 Measurement SGP30 Gas Sensor for TVOC & eCO2 with low power consu..

Rs.1,585.92 (inc GST)
Rs.1,344.00 + GST

SKU: 2332 | DAB923
Stock: 4
Winsen ZH07 Laser Dust Sensor Module

Winsen ZH07 Laser Dust Sensor Module

Winsen ZH07 Laser Dust Sensor Module Winsen ZH07, high-performance sensor for detecting PM2.5 and PM..

Rs.1,516.71 (inc GST)
Rs.1,285.35 + GST

SKU: 8999 | DAI072
Stock: 2
Winsen ZE03-O2 GAS Sensor Module

Winsen ZE03-O2 GAS Sensor Module

Winsen ZE03-O2 GAS Sensor ModuleElectrochemical GAS Detection Module ZE03-O2ZE03-O2 Gas sensor can b..

Rs.6,726.00 (inc GST)
Rs.5,700.00 + GST

SKU: 1759 | DAB098
Stock: 0
Winsen ZE03-NO2  GAS Sensor Module

Winsen ZE03-NO2 GAS Sensor Module

Winsen ZE03-NO2  GAS Sensor Module Electrochemical Detection Module ZE03-NO2 ZE03-O2 Gas s..

Rs.12,508.00 (inc GST)
Rs.10,600.00 + GST

SKU: 1763 | DAB099
Stock: 2
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
Sensirion SPS30 Particulate Matter Sensor for Air Quality

Sensirion SPS30 Particulate Matter Sensor for Air Quality

Sensirion SPS30 Particulate Matter Sensor for Air QualitySPS30 PM2.5 Sensor, Range: 0–1000 µg/m³, pr..

Rs.3,774.82 (inc GST)
Rs.3,199.00 + GST

SKU: 10398 | DAJ506
Stock: 5
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: 2
DFRobot Fermion: Formaldehyde Sensor (Breakout, 0-3ppm MEMS HCHO Detection, Low Power)

DFRobot Fermion: Formaldehyde Sensor (Breakout, 0-3ppm MEMS HCHO Detection, Low Power)

DFRobot Fermion: Formaldehyde Sensor (Breakout, 0-3ppm MEMS HCHO Detection, Low Power)Fermion HCHO S..

Rs.605.00 (inc GST)
Rs.512.71 + GST

SKU: 10383 | DAJ215
Stock: 10
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