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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.



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
Sensirion SCD30 CO2 Sensor 400-10000 ppm, Temp & RH, I2C Output

Sensirion SCD30 CO2 Sensor 400-10000 ppm, Temp & RH, I2C Output

Sensirion SCD30 CO2 Sensor 400-10000 ppm, 12C Output Sensirion SCD30 CO2 Sensor, 400-10000 ppm, Tem..

Rs.2,891.00 (inc GST)
Rs.2,450.00 + GST

SKU: 9735 | DAI578
Stock: 0
GP2Y1010AU0F Optical Dust Sensor

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
MICS4514 Gas Sensor Module

MICS4514 Gas Sensor Module

MICS4514 Gas Sensor Module MICS-4514 CO & NO2 Gas Sensor Module for pollution detection with robust ..

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

SKU: 2330 | DAB921
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: 0
Winsen ZE03-HCL GAS Sensor Module

Winsen ZE03-HCL GAS Sensor Module

Winsen ZE03-HCL GAS Sensor Module Electrochemical Detection Module ZE03-HCLZE03-HCL Gas sensor ..

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

SKU: 1768 | DAC952
Stock: 0
Winsen ZE03-HF GAS Sensor Module

Winsen ZE03-HF GAS Sensor Module

Winsen ZE03-HF GAS Sensor ModuleElectrochemical Detection Module ZE03-HFZE03-HF Gas sensor can be us..

Rs.16,872.82 (inc GST)
Rs.14,299.00 + GST

SKU: 1767 |
Stock: 0
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