Gas Sensors

Gas sensors - Solectroshop offers wide range of gas sensors based on the most reliable MQ modules. Our modules fit all purposes from detection of fumes or smoke up to air quality checks. Review our offering in gas sensors!

Gas Sensors

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  • €2.00 - €3.00

MQ-2 Gas and Smoke Module...

S0027

MQ-2 Gas and Smoke Module Sensor Detector Methane Propane Butane LPG

MQ-2 Gas and Smoke Module Sensor Detector Methane Propane Butane LPG features:
- Main chip: MQ-2 flammable gas and smoke sensor and comparator LM393
- Working voltage: 5V
- Current: 150mA
- Digital output: TTL 0/1
- Analog output: analog voltage sensing value
- Quick response features:
- Concentration detection:
  200ppm - 5000ppm LPG, propane
  300ppm - 5000ppm butane
  5000ppm - 20000ppm methane
  300ppm - 5000ppm H2
  100ppm -2000ppm alcohol
- Adjustable sensitivity with the potentiometer
- Size: 32mm x 20mmx 18mm

Price €2.72
MQ-3 Alcohol Sensor Module...

S0009

MQ-3 Alcohol Sensor Module Ethanol Breathalyzer

Ethanol alcohol sensor module.
MQ gas sensor uses a small indoor heater with an electrochemical sensor.
When the alcohol molecules in the air comply with the electrode the ethanol "changes" into acetic acid and then more current is produced.
MQ-3 Alcohol Sensor Module Ethanol Breathalyzer features:
- Main chip: alcohol sensor MQ-3 and comparator LM393
- Working voltage: 5V
- Current: 150mA
- Digital output: TTL 0/1
- Analog output: analog voltage sensing value
- Detection concentration:
- 0.05mg/L - 10mg/L
- Quick response features:
- Adjustable sensitivity with the potentiometer
- Size: 32mm x 20mmx 18mm

Price €2.80
MQ-4 Gas Methane Sensor...

S0028

MQ-4 Gas Methane Sensor Module for Arduino

MQ-4 Gas Methane Sensor Module for Arduino features:
- Main chip: MQ-4 methane sensor and comparator LM393
- Working voltage: 5V
- Current: 150mA
- Digital output: TTL 0/1
- Analog output: analog voltage sensing value
- Quick response features:
- Detection concentration:
200ppm- 10000ppm CH4, natural gas
- Adjustable sensitivity with the potentiometer
- Size: 32mm x 20mmx 18mm

Price €2.53
MG-5 Gas Methane Sensor...

S0029

MG-5 Gas Methane Sensor Module for Arduino

MG-5 Gas Methane Sensor Module for Arduino features:
- Main chip: MQ-5 natural gas sensor and comparator LM393
- Working voltage: 5V
- Current: 150mA
- Digital output: TTL 0/1
- Analog output: analog voltage sensing value
- Quick response features:
- Detection concentration:
- 200ppm - 10000ppm LPG, LNG, natural gas, propane,
- Adjustable sensitivity with the potentiometer
- Size: 32mm x 20mmx 18mm

Price €2.53
MQ-6 Gas Methane Sensor...

S0030

MQ-6 Gas Methane Sensor Module for Arduino

MQ-6 Gas Methane Sensor Module for Arduino features:
- Main chip: MQ-6 methane sensor and comparator LM393
- Working voltage: 5V
- Current: 150mA
- Digital output: TTL 0/1
- Analog output: analog voltage sensing value
- Quick response features:
- Detection concentration:
- 200ppm- 10000ppm LPG, LNG
- Adjustable sensitivity with the potentiometer
- Size: 32mm x 20mmx 18mm

Price €2.53
MQ-8 Hydrogen Gas Sensor...

S0032

MQ-8 Hydrogen Gas Sensor Module

MQ-8 Hydrogen Gas Sensor Module features:
- Main chip: MQ-8 methane sensor and comparator LM393
- Working voltage: 5V
- Current: 150mA
- Digital output: TTL 0/1
- Analog output: analog voltage sensing value
- Quick response features:
- Detection concentration:
  100ppm- 10000ppm hydrogen H2
- Adjustable sensitivity with the potentiometer
- Size: 32mm x 20mmx 18mm

Price €2.53
MQ-9 Carbon Monoxide Sensor...

S0033

MQ-9 Carbon Monoxide Sensor Module

MQ-9 Carbon Monoxide Sensor Module features:
- Main chip: MQ-9 methane sensor and comparator LM393
- Working voltage: 5V
- Current: 150mA
- Digital output: TTL 0/1
- Analog output: analog voltage sensing value
- Quick response features:
- Detection concentration:
   20ppm- 2000ppm carbon monoxide
   500ppm- 10000ppm methane CH4
   500ppm- 10000ppm LPG
- Adjustable sensitivity with the potentiometer
- Size: 32mm x 20mmx 18mm

Price €2.53
MQ-135 Air Quality Sensor

S0034

MQ-135 Air Quality Sensor

High sensitivity to Ammonia (NH3), Nitrogen oxides (NOx), Alcohol, Sulphides, Benzene (C6H6), CO2, smoke and other harmful gases.  The MQ-135 sensor is to sensible for other gasses in the air so that is not possible to get good values for CO2 from it.
MQ-135 Air Quality Sensor features:
- Main chip: MQ-135 natural gas sensor and comparator LM393
- Working voltage: 5V
- Current: 150mA
- Digital output: TTL 0/1
- Analog output: analog voltage sensing value
- Quick response features:
- Detection concentration:
   10ppm - 300ppm NH3
   10ppm - 1000ppm Benzene
   10ppm - 300ppm Alcohol
- Adjustable sensitivity with the potentiometer
- Size: 32mm x 20mmx 18mm

Price €2.80

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