Gas sensors, also known as gas detectors, are essential electronic devices that identify and detect various gases. They are particularly used to detect toxic or explosive gases and measure gas concentration. Our selection encompasses a wide range of gas sensors, including the MQ series, Carbon Monoxide, Methane Gas, Hydrogen Gas, Alcohol Detectors, LPG detectors, Ozone Gas detectors, Air Quality sensors, and more,
These sensors are sourced from reputable brands like Winsen, Mikroe, Amphenol, DF Robot, TE Connectivity, Waveshare, Seeed Studio, Adafruit, and Figaro. These sensors find applications in prototyping projects and industrial machines, offering reliability and safety.
Additionally, explore our collection of dust sensors to complete your environmental sensing needs.
Gas and Dust Sensor
Showing 1–48 of 216 results
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Gas and Dust Sensor
MQ-4 High Sensitivity Gas Methane (CNG) Detector Sensor Module
SKU: 9773- Detecting range: 300~10000ppm
- Signal output indicator.
- Dual Signal output (analog output and TTL output).
- The TTL output signal is low level, allows us to connect with SCM directly.
- Analog output 0~5V voltage.
- Quick response and recovery.
SKU: 9773 -
Gas and Dust Sensor
MQ-8 Hydrogen Gas Sensor Module H2 Alarm Detection
SKU: 44008- Using high-quality dual-panel design, with power indicator and TTL signal output instructions.
- The switching signal having a DO (TTL) output and analog output AO.
- TTL output valid signal is low.
- The higher the voltage, the concentration of the analog output voltage is higher.
- A hydrogen gas detection with good sensitivity.
- Has a long life and reliable stability
SKU: 44008 -
Gas and Dust Sensor
MQ-3 Alcohol Detector Gas Sensor Module
SKU: 29770- Power requirements: 5 VDC @ ~165 mA (heater on) / ~60 mA (heater off).
- Current Consumption: 150mA.
- DO output:Â 0.1 and 5V.
- AO output: 0.1- 0.3 V (relative to pollution), the maximum concentration of a voltage of about 4V
- Detecting Concentration: 0.05-10mg/L Alcohol.
SKU: 29770 -
Gas and Dust Sensor
MQ-7 CO Carbon Monoxide Coal Gas Sensor Module
SKU: 44007- Operating voltage: DC 5 V.
- The analog output voltage, the higher the concentration the higher the voltage.
- The carbon monoxide detection with better sensitivity.
- With a long service life and reliable stability.
- Rapid response and recovery characteristics.
- Range: 10 to 1000 ppm.
SKU: 44007 -
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Gas and Dust Sensor
MQ 135 Air Quality/Gas Detector Sensor Module For Arduino
SKU: 43971- Sensitivity to Ammonia, Sulphide and Benzene steam
- Sensitive for benzene, alcohol, smoke
- Fast response and recovery
- Adjustable sensitivity
- Signal output indicator
- Output voltage boosts along with the concentration of the measured gases increases.
SKU: 43971 -
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Gas and Dust Sensor
Winsen MP-4-24V CH4 Methane Natural Combustible Gas Sensor Metal Cap
SKU: 1021478- Standard Encapsulation: Metal cap
- Sensor Type: Flat surfaced
- Target Gas: CH4, Nature gas
- Heater Voltage:5V AC or DC
- Lower consumption
- Small size
- Â Fast response and resume
- Â Highest sensitivity
SKU: 1021478 -
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Gas and Dust Sensor
Winsen ZP07-MP503 Air Quality Detection Module
SKU: 938335- Detection Gas volatile organic gases like formaldehyde, benzene, carbon monoxide, etc.
- Physical Interface with XH2.54-4P terminal sockets
- Output Data: 0-3 grade pollution signal
- Working Voltage 5.0±0.2V DC (No voltage reverse connect protection)
- Output: TTL level (200ohm protected resistance inside)
SKU: 938335 -
Gas and Dust Sensor
PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor
SKU: 28624- Power supply voltage: DC5 ± 2V
- Sensitivity: 0.5V / (0.1mg / m3)
- The minimum detection level of particles: 0.8 m
- Clean air voltage: 0.9V typ.
- Low consumption current (Icc: MAX. 20 mA)
- The presence of dust can be detected by the photometry of only one pulse
- Enable to distinguish smoke from house dust
SKU: 28624 -
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Gas and Dust Sensor
DFRobot Fermion MEMS Volatile Organic Compounds VOC Gas Detection Sensor (Breakout, 1-500ppm)
Gas and Dust SensorDFRobot Fermion MEMS Volatile Organic Compounds VOC Gas Detection Sensor (Breakout, 1-500ppm)
SKU: 1680997- Compact size, measuring only 13*13*2.5mm
- Low power consumption, operating current <20mA
- High sensitivity and rapid response recovery
- Advanced MEMS technology
- Gas detected: ethanol, formaldehyde, toluene, etc
- Sensitivity: R0(in air)/Rs(in 150ppm ethanol) ≥ 3
- Lifespan: ≥5 years (in air)
SKU: 1680997 -
Gas and Dust Sensor
DFRobot Fermion MEMS Methane CH4 Gas Detection Sensor (Breakout, 1-10000ppm)
SKU: 1680992- Compact size, measuring only 13*13*2.5mm
- Low power consumption, operating current <20mA
- High sensitivity and rapid response recovery
- Advanced MEMS technology
- Gas detected: CH4, C3H8, etc.
- Sensitivity: R0(in air)/Rs(in 5000ppm CH4) ≥ 2
- Lifespan: ≥5 years (in air)
SKU: 1680992 -
Gas and Dust Sensor
DFRobot Fermion MEMS Ethanol EtOH Gas Detection Sensor (Breakout, 1-500ppm)
SKU: 1680987- Compact size, measuring only 13*13*2.5mm
- Low power consumption, operating current <20mA
- High sensitivity and rapid response recovery
- Advanced MEMS technology
- Gas detected: Ethanol (EtOH)
- Sensitivity: R0(in air)/Rs(in 150ppm EtOH) ≥ 3
- Lifespan: ≥5 years (in air)
SKU: 1680987 -
Gas and Dust Sensor
DFRobot Fermion MEMS Odor Smell Gas Detection Sensor (Breakout, 0.5-50ppm)
SKU: 1680994- Compact size, measuring only 13*13*2.5mm
- Low power consumption, operating current <20mA
- High sensitivity and rapid response recovery
- Advanced MEMS technology
- Gas detected: H2S, EtOH, acetone, etc.
- Sensitivity: R0(in air)/Rs (in 5ppm H2S) ≥ 2
- Lifespan: ≥5 years (in air)
SKU: 1680994 -
Gas and Dust Sensor
DSM501A PM2.5 Dust Sensor Module for Arduino, Air-Conditioners
SKU: 418902- Can sense tobacco smoke and pollen, house dust and so on.
- It can measure 1 micron or more of small particles.
- Small size, lightweight, easy to install.
- 5 V input circuit for signal processing.
- Built-in airflow generator, you can attract the external atmosphere.
SKU: 418902 -
Gas and Dust Sensor
CO Gas Sensor Detector Carbon Monoxide Poisoning Alarm Detector With LCD Display
SKU: 456157- LCD Displayer (optional): 4 digits LCD displayer.
- Audibility: 85dB ( at 1m distance ), Frequency 3 – 0.5KHZ.
- Standby Current: <50μA.
- Alarm Current: <50mA.
- Standby Mode: Green Led flashes once every 30 seconds.
SKU: 456157 -
Gas and Dust Sensor
DFRobot Fermion MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)
Gas and Dust SensorDFRobot Fermion MEMS Carbon Monoxide CO Gas Detection Sensor (Breakout, 5-5000ppm)
SKU: 1680986- Compact size, measuring only 13*13*2.5mm
- Low power consumption
- High sensitivity and rapid response recovery
- Advanced MEMS technology
- Gas detected: CO
- Sensitivity: R0(in air) / Rs(in 150ppm CO) ≥ 3
- Lifespan: ≥5 years (in air)
SKU: 1680986 -
Gas and Dust Sensor
DFRobot Fermion MEMS Smoke Gas Detection Sensor (Breakout, 10-1000ppm)
SKU: 1680996- Compact size, measuring only 13*13*2.5mm
- Low power consumption
- High sensitivity and rapid response recovery
- Advanced MEMS technology
- Gas detected: EtOH, Smoke
- Sensitivity: R0(in air)/Rs(in 200ppm EtOH) ≥ 3
- Lifespan: ≥5 years (in air)
SKU: 1680996 -
Gas and Dust Sensor
DFRobot Fermion MEMS Formaldehyde HCHO Gas Detection Sensor (Breakout, 0-3ppm)
SKU: 1680988- Compact size, measuring only 13*13*2.5mm
- Low power consumption, operating current <20mA
- High sensitivity and rapid response recovery
- Advanced MEMS technology
- Gas detected: HCHO
- Lifespan: ≥3 years (in air)
- Sensitivity: R0(in air)/Rs(in 0.4ppm HCHO) ≥ 1.8
SKU: 1680988