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Gas Sensor Carbon Monoxide Metan Propan Butan Coal Ethanol Detector for Arduino

Gas Sensor Carbon Monoxide Metan Propan Butan Coal Ethanol Detector for Arduino

£3.57 – £6.17

Types:

  • Combustible Gas Detector MQ002
  • Ethanol Steam Detector MQ003
  • Methane & Natural Gas Detector MQ004
  • LPG Natural & Coal Gas Detector MQ005
  • LPG Butane Propane LNG Detector MQ006
  • Carbon Monoxide & Gas Detector MQ007
  • Hydrogen Gas Leak Detector MQ008
  • Carbon Monoxide & Combustible Gas Detector MQ009
  • Gas Air Quality Dioxide SnO2 Detector MQ135

Package include

1 or 2 pcs from the chosen model

Combustible Gas Detector MQ002:

MQ-2 gas sensor has high sensitity to LPG, Propane and Hydrogen, also could be used to Methane
and other combustible steam, it is with low cost and suitable for different application.

  • Sensor Type: Semiconductor
  • Standard Encapsulation: Bakelite (Black Bakelite)
  • Detection Gas: Combustible gas and smoke
  • Concentration: 300-10000ppm (Combustible gas)
  • Loop Voltage Vc: ≤24V DC
  • Heater Voltage VH: 5.0V±0.2V ACorDC
  • Loop Voltage Vc: ≤24V DC
  • Heater Voltage VH: 5.0V±0.2V ACorDC
  • Load Resistance RL: Adjustable
  • Heater Resistance RH: 31Ω±3Ω（Room Tem.）
  • Heater consumption PH: ≤900mW
  • Sensing Resistance Rs: 2KΩ-20KΩ(in 2000ppm C3H8 )
  • Sensitivity S: Rs(in air)/Rs(1000ppm isobutane)≥5
  • Slope α: ≤0.6(R5000ppm/R3000ppm CH4)
  • Tem. Humidity: 20℃±2℃；65%±5%RH
  • Standard test circuit:

    • Vc:5.0V±0.1V；
    • VH: 5.0V±0.1V
  • Preheat time: Over 48 hours

Ethanol Steam Detector MQ003

High sensitivity to alcohol and small sensitivity to Benzine

  • Circuit voltage Vc 5V±0.1 AC OR DC
  • Heating voltageVH  5V±0.1 AC OR DC
  • Load resistance RL 200KΩ
  • Heater resistance RH 33Ω±5% Room Tem
  • Heating consumption PH less than 750mw
  • Using Tem Tao -10℃-50℃
  • Storage Tem Tas -20℃-70℃
  • Related humidity RH less than 95%Rh
  • Oxygen concentration O2 21%(standard condition)Oxygen concentration can affect sensitivity
  • Rs Sensing Resistance 1MΩ- 8 MΩ (0.4mg/L alcohol )
  • α (0.4/1 mg/L) Concentration slope rate ≤0.6
  • Standard detecting condition
    • Temp: 20℃±2℃
    • Vc:5V±0.1
    • Humidity: 65%±5%
    • Vh: 5V±0.1
  • Preheat time Over 24 hour

Methane & Natural Gas Detector MQ004They are used in gas leakage detecting equipments in family and industry, are suitable for detecting of
CH4,Natural gas.LNG, avoid the noise of alcohol and cooking fumes and cigarette smoke.

  • Circuit voltage Vc 5V±0.1 AC OR DC
  • Heating voltage VH 5V±0.1 ACOR DC
  • Load resistance PL 20KΩ
  • Heater resistance RH 33Ω±5% Room Tem
  • Heating consumption PH less than 750mw
  • Using Tem Tao -10℃-50℃
  • Storage Tem Tas -20℃-70℃
  • Related humidity RH less than 95%Rh
  • Oxygen concentration O2 21%(standard condition)Oxygen concentration can affect sensitivity
  • Sensing Resistance Rs 10KΩ- 60KΩ (1000ppm CH4 )
  • Concentration slope rate α (1000ppm/5000ppm CH4) ≤0.6
  • Standard detecting condition
    •  Temp: 20℃±2℃
    •  Vc:5V±0.1
    •  Humidity: 65%±5%
    •  Vh: 5V±0.1
  • Preheat time Over 24 hour

LPG Natural & Coal Gas Detector MQ005

They are used in gas leakage detecting equipments in family and industry, are suitable for detecting of
LPG, natural gas , town gas, avoid the noise of alcohol and cooking fumes and cigarette smoke.
  • Circuit voltage Vc 5V±0.1 AC OR DC
  • Heating voltage VH 5V±0.1 ACOR DC
  • Load resistance PL 20KΩ
  • Heater resistance RH 31Ω±10% Room Tem
  • Heating consumption PH less than 800mw
  • Using Tem Tao -10℃-50℃
  • Storage Tem Tas -20℃-70℃
  • Related humidity RH less than 95%Rh
  • Oxygen concentration O2 21%(standard condition)Oxygen concentration can affect sensitivity
  • Sensing Resistance Rs 10KΩ- 60KΩ (1000ppm CH4 )
  • Concentration slope rate α (1000ppm/5000ppm CH4) ≤0.6
  • Standard detecting condition
    • Temp: 20℃±2℃
    • Vc:5V±0.1
    • Humidity: 65%±5%
    • Vh: 5V±0.1
  • Preheat time Over 24 hour

LPG Butane Propane LNG Detector MQ006

They are used in gas leakage detecting equipments in family and industry, are suitable for detecting of
LPG, iso-butane, propane, LNG, avoid the noise of alcohol and cooking fumes and cigarette smoke.
  • Circuit voltage Vc 5V±0.1 AC OR DC
  • Heating voltage VH 5V±0.1 ACOR DC
  • Load resistance PL 20KΩ
  • Heater resistance RH 33Ω±5% Room Tem
  • Heating consumption PH less than 750mw
  • Using Tem Tao -10℃-50℃
  • Storage Tem Tas -20℃-70℃
  • Related humidity RH less than 95%Rh
  • Oxygen concentration O2 21%(standard condition)Oxygen concentration can affect sensitivity
  • Sensing Resistance Rs 10KΩ- 60KΩ (1000ppm CH4 )
  • Concentration slope rate α (1000ppm/5000ppm CH4) ≤0.6
  • Standard detecting condition
    • Temp: 20℃±2℃
    • Vc:5V±0.1
    • Humidity: 65%±5%
    • Vh: 5V±0.1
  • Preheat time Over 24 hour

Carbon Monoxide & Gas Detector MQ007

They are used in gas detecting equipment for carbon monoxide(CO) in family and
industry or car.
  • circuit voltage Vc 5V±0.1 Ac or Dc
  • Heating voltage (high) VH (H) 5V±0.1 Ac or Dc
  • Heating voltage (low) VH (L) 1.4V±0.1 Ac or Dc
  • Load resistance RL Can adjust
  • Heating resistance RH 33Ω±5% Room temperature
  • Heating time (high) TH (H) 60±1 seconds
  • Heating time (low) TH (L) 90±1 seconds
  • Heating consumption PH About 350mW
  • Using Tem Tao -20℃-50℃
  • Storage Tem Tas -20℃-70℃
  • Related humidity RH less than 95%Rh
  • Oxygen concentration O2 21%(standard condition)Oxygen concentration can affect sensitivity
  • Surface resistance Of sensitive body Rs 2-20k In 100ppm Carbon Monoxide
  • а(300/100ppm) Concentration slope rate Less than 0.5 Rs (300ppm)/Rs(100ppm)
  • Standard working condition
    • Temperature -20℃±2℃
    • relative humidity 65%±5%
    • RL:10KΩ±5%
    • Vc:5V±0.1V
    • VH:5V±0.1V
    • VH:1.4V±0.1V
  • Preheat time No less than 48 hours Detecting range: 20ppm-2000ppm carbon monoxide

Hydrogen Gas Leak Detector MQ008

It is widely used in domestic gasleakage alarm, industrial flammable gas alarm and portable gas detector.
  • Sensor Type Semiconductor
  • Standard Encapsulation Bakelite, Metal cap
  • Target Gas Hydrogen
  • Detection range 100～1000ppm(H2 gas)
  • Loop Voltage Vc ≤24V DC
  • Heater Voltage VH 5.0V±0.1V AC or DC
  • Load Resistance RL Adjustable
  • Heater Resistance RH 29Ω±3Ω(room tem.)
  • Heater consumption PH ≤900mW
  • Sensitivity S Rs(in air)/Rs(in 1000ppm H2)≥5
  • Output Voltage Vs 2.5V～4.0V（in 1000ppm H2）
  • Concentration Slope α ≤0.6(R1000ppm/R400ppm H2)
  • Tem. Humidity 20℃±2℃；55%±5%RH
  • Standard test circuit
    • Vc:5.0V±0.1V；
    • VH:5.0V±0.1V
  • Preheat time Over 48 hours

Carbon Monoxide & Combustible Gas Detector MQ009

MQ-9 gas sensor has high sensitity to Carbon Monoxide, Methane and LPG. The sensor could be
used to detect different gases contains CO and combustible gases, it is with low cost and suitable for
different application.
  • Sensor Type Semiconductor
  • Standard Encapsulation Bakelite
  • Detection Gas CO and combustible gas
  • Concentration 10-1000ppm CO
  • 100-10000ppm combustible gas
  • Loop Voltage Vc ≤10V DC
  • Heater Voltage VH
    • 5.0V±0.2V ACorDC（High）
    • 1.5V±0.1V ACorDC（Low）
  • Heater Time TL 60±1S（High）90±1S（Low）
  • Load Resistance RL Adjustable
  • Heater Resistance RH 31Ω±3Ω（Room Tem.）
  • Heater consumption PH ≤350mW
  • Sensing Resistance Rs 2KΩ-20KΩ(in 100ppm CO )
  • Sensitivity S Rs(in air)/Rs(100ppm CO)≥5
  • Slope α ≤0.6(R300ppm/R100ppm CO)
  • Tem. Humidity 20℃±2℃; 65%±5%RH
  • Standard test circuit
    • Vc:5.0V±0.1V
    • VH（High）: 5.0V±0.1V
    • VH（Low）: 1.5V±0.1V
  • Preheat time Over 48 hours

Gas Air Quality Dioxide SnO2 Detector MQ135

They are used in air quality control equipments for buildings/offices, are suitable for detecting
of NH3,NOx, alcohol, Benzene, smoke,CO2 ,etc.
  • Circuit voltage Vc 5V±0.1 AC OR DC
  • Heating voltage VH 5V±0.1 ACOR DC
  • Load resistance RL can adjust
  • Heater resistance RH 33Ω±5% Room Tem
  • Heating consumption PH less than 800mw Tao Using Tem -10℃-45℃
  • Storage Tem Tas -20℃-70℃
  • Related humidity RH less than 95%Rh
  • Oxygen concentration O2 21%(standard condition)Oxygen concentration can affect sensitivity minimum value is over 2%
  • Rs Sensing Resistance 30KΩ-200KΩ (100ppm NH3 )
  • α (200/50) NH3 Concentration Slope rate ≤0.65
  • Standard Detecting Condition
    • Temp: 20℃±2℃
    • Vc:5V±0.1
    • Humidity: 65%±5%
    • Vh: 5V±0.1
  • Preheat time Over 24 hour
  • Detecting concentration scope
    • 10ppm-300ppm NH3
    • 10ppm-1000ppm Benzene
    • 10ppm-300ppm Alcohol
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