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Gas sensors
Give your next project a nose for gas! With these modules you can measure air quality, humidity, temperature and carbon dioxide, among other things.
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MQ-135 air quality sensor
This module contains a sensor to detect the concentrations of various harmful gases in the air. The MQ-135 can record gas concentrations from 300 to 5000ppm. This module ordered both an analog output and a digital output, which triggers an adjustable concentration.
In stock
€ 3,50
Incl. VAT
Adafruit SGP30 Air Quality Sensor Breakout - VOC and eCO2
Adafruit #3709
Breathe easy with the SGP30 Multi-Pixel Gas Sensor, a fully integrated MOX gas sensor. This is a very fine air quality sensor from the sensor experts at Sensirion, with I2C interfacing and fully calibrated output signals with a typical accuracy of 15% within measured values.
In stock
€ 22,85
Incl. VAT
Air quality, CO2, temperature and humidity sensor - CCS811 HDC1080
This module combines 2 powerful chips to measure the air quality, humidity and temperature in an environment. This makes the module a compact solution for projects where the quality of the air in a room must be monitored. The module works with 3.3V and communicates via I2C.
In stock
€ 30,50
Incl. VAT
Gravity: Analog TDS Sensor/Meter for Arduino
DFRobot #SEN0244
This is an Arduino-compatible TDS sensor/Meter Kit for measuring TDS value of the water, to reflect the cleanliness of the water. It can be applied to domestic water, hydroponic and other fields of water quality testing.
In stock
€ 14,00
Incl. VAT
Gravity: Analog Propane Gas Sensor (MQ6) For Arduino
DFRobot #SEN0131
This is an Arduino Propane Gas Sensor. It uses MQ6 probe to detect iso-butane, propane and liquefied petroleum gas (LPG). It is less sensitive with alcohol, cooking fumes and cigarette smoke.
In stock
€ 7,65
Incl. VAT
Gravity: SGP40 Air Quality Sensor
DFRobot #SEN0394
The SGP40 Air Quality sensor adopts the new SGP40 digital VOC sensor chip launched by the well-known Sensirion.
In stock
€ 16,00
Incl. VAT
Adafruit BME688 - Temperature, Humidity, Pressure and Gas Sensor
Adafruit #5046
The long-awaited BME688 from Bosch gives you all the environmental sensing you want in one small package.
In stock
€ 32,95
Incl. VAT
MICS6814 3-in-1 Gas Sensor Breakout (CO, NO2, NH3) - PIM569
Pimoroni #PIM569
Measure changes in the concentration of gases including carbon monoxide (CO), nitrogen dioxide (NO2), and ammonia (NH3) with this Breakout Garden compatible I2C breakout.
In stock
€ 26,50
Incl. VAT
Methane CNG Gas Sensor - MQ-4
Sparkfun #SEN-09404
Detect and monitor natural gas levels with the Sparkfun Methane CNG Gas Sensor - MQ-4. High sensitivity, fast response time, and versatility make it ideal for various applications.
In stock
€ 7,10
Incl. VAT
MH-Z14A Carbon dioxide sensor - 5000ppm
The MH-Z14 Carbon Dioxide sensor accurately measures the carbon particles in the air through infrared light.
Out of stock
€ 37,95
Incl. VAT
Adafruit MiCS5524 CO, Alcohol and VOC Gas Sensor Breakout
Adafruit #3199
Give your next sensor project a nose for gasses with the Adafruit MiCS-5524 Gas Sensor Breakout. This breakout makes it easy to use this nice sensor from SGX Sensortech.
Delivered in 10 to 30 days
€ 16,70
Incl. VAT
Adafruit BME680 - Temperature, Humidity, Pressure and Gas Sensor
Adafruit #3660
The long awaited BME680 from Bosch gives you all the environmental sensing you want in one small package. This little sensor contains temperature, humidity, barometric pressure, and VOC gas sensing capabilities. All over SPI or I2C at a great price!
Delivered in 10 to 30 days
€ 22,60
Incl. VAT
Adafruit CCS811 Air Quality Sensor Breakout - VOC and eCO2
Adafruit #3566
Breathe easy - we finally have an I2C VOC/eCO2 sensor in the Adafruit shop! Add air quality monitoring to your project and with an Adafruit CCS811 Air Quality Sensor Breakout.
Out of stock
€ 27,95
Incl. VAT
Gravity: Formaldehyde (HCHO) Sensor
DFRobot #SEN0231
The Formaldehyde (HCHO) sensor is an Arduino & Raspberry Pi compatible module, which is the ideal solution for indoor air quality monitor.This is a HCHO(CH2O) sensor module. It can be used to measure HCHO in air. Through it, you can know the air quality.
Delivered in 5 to 10 days
€ 76,25
Incl. VAT
Gravity: Analog Infrared CO2 Sensor For Arduino (0~5000 ppm)
DFRobot #SEN0219
Introduction The concentration of carbon dioxide (0.03% usuallly) is related to daily life. Recently, there’s a study showing that the atmospheric CO2 content has reached 0.0385% (385 ppm) which is the highest value since 2.1 million years.
Delivered in 5 to 10 days
€ 73,55
Incl. VAT
CO₂ Humidity and Temperature Sensor - SCD30
Sparkfun #SEN-15112
Discover the Sensirion SCD30, a top-tier NDIR CO₂ sensor with built-in temperature and humidity sensing. Compatible with OpenLog Artemis, it offers automatic detection & logging. Use 'SparkFun SCD30' Arduino library for easy readings.
Delivered in 5 to 10 days
€ 89,90
Incl. VAT
Adafruit SCD-30 - NDIR CO2 Temperature and Humidity Sensor
Adafruit #4867
Take a deep breath in...now slowly breathe out. Mmm isn't it wonderful? All that air around us, which we bring into our lungs, extracts oxygen from, and then breathe out carbon dioxide.
Delivered in 10 to 30 days
€ 65,65
Incl. VAT
SparkFun Air Quality Sensor - SGP40 (Qwiic)
Sparkfun #SEN-18345
Improve indoor air quality with the SparkFun SGP40 Air Quality Sensor. This robust device uses Sensirion's CMOSens® technology to provide a humidity-compensated VOC signal for accurate air quality measurement. With I²C interface and Qwiic connectors, it's easy to integrate with other devices.
Delivered in 5 to 10 days
€ 29,85
Incl. VAT
Fermion: MEMS Gas Sensor - MiCS-5524 (Breakout)
DFRobot #SEN0440
This is a hydrogen and nitrogen oxide gas concentration sensor launched by DFRobot.The sensor uses MEMS technology to support gas concentration detection of CO, CH4, C2H5OH, C3H8, C4H10, H2, H2Sand...
Delivered in 5 to 10 days
€ 12,65
Incl. VAT
SCD41 CO2 Sensor Breakout (Carbon Dioxide / Temperature / Humidity) - PIM587
Pimoroni #PIM587
SCD41 CO2 Sensor Breakout (Carbon Dioxide / Temperature / Humidity) - PIM587A true carbon dioxide sensor that can detect CO2 levels between 400 and 5,000 ppm, mounted on a Breakout Garden and Qw/ST-compatible breakout.
Delivered in 5 to 30 days
€ 65,85
Incl. VAT
Alcohol Gas Sensor - MQ-3
Sparkfun #SEN-08880
Maximize your alcohol detection with the Sparkfun Alcohol Gas Sensor - MQ-3. High sensitivity, rapid response, easy setup, and compact size make it an ideal choice for hobbyists and...
Delivered in 5 to 10 days
€ 6,40
Incl. VAT
Carbon Monoxide Sensor - MQ-7
Sparkfun #SEN-09403
Get the versatile Sparkfun Carbon Monoxide Sensor - MQ-7. Highly sensitive, user-friendly, and quick to respond, it accurately detects CO levels from 10 to 500ppm.
Delivered in 5 to 10 days
€ 9,35
Incl. VAT
LPG Gas Sensor - MQ-6
Sparkfun #SEN-09405
Get the efficient Sparkfun LPG Gas Sensor - MQ-6 for accurate detection of propane and butane concentrations.
Delivered in 5 to 10 days
€ 5,85
Incl. VAT
Hydrogen Gas Sensor - MQ-8
Sparkfun #SEN-10916
The MQ-8 Hydrogen Gas Sensor offers high sensitivity and quick response time for detecting hydrogen gas concentrations (100-10000ppm).
Delivered in 5 to 10 days
€ 9,35
Incl. VAT
Smoke Sensor - MQ-2
Sparkfun #SEN-17049
The Sparkfun MQ-2 Smoke Sensor offers reliable detection of smoke and combustible gas, ideal for domestic gas leakage alarms.
Delivered in 5 to 10 days
€ 6,85
Incl. VAT
Dual Gas CO and CH4 Detection Sensor - MQ-9B
Sparkfun #SEN-17050
The MQ-9B from Winsen is a high-quality CO and CH₄ gas detection sensor, ideal for home safety devices to industrial gas leak detectors.
Delivered in 5 to 10 days
€ 7,25
Incl. VAT
Hydrogen Sulfide Gas Sensor - MQ-136
Sparkfun #SEN-17052
Detect H₂S gas with high precision using the MQ-136 Hydrogen Sulfide Gas Sensor. Its dynamic range of 1-200ppm and SnO2 sensing element ensures accurate readings.
Delivered in 5 to 10 days
€ 51,70
Incl. VAT
Ammonia Gas Sensor - MQ-137
Sparkfun #SEN-17053
The Winsen MQ-137 Ammonia gas sensor is known for its high sensitivity and accuracy. Compatible with Sparkfun's Gas Sensor Breakout Board, it's easy to install and ideal for environmental monitoring...
Delivered in 5 to 10 days
€ 51,70
Incl. VAT
Pololu Carrier for MQ Gas Sensors (Bare PCB Only)
Pololu #1479
Pololu's Carrier for MQ Gas Sensors (Bare PCB Only) is a user-friendly board that simplifies gas sensor integration into any project. Ideal for environmental monitoring and home automation systems.
Delivered in 5 to 14 days
€ 1,05
Incl. VAT
The 3 most popular Gas sensors
In stock
Gravity: Analog TDS Sensor/Meter for Arduino
€ 14,-
View product
In stock
MICS6814 3-in-1 Gas Sensor Breakout (CO, NO2, NH3) - PIM569
€ 26,50
View product
In stock
Methane CNG Gas Sensor - MQ-4
€ 7,10
View product