Grove - Gas Sensor(MQ9)

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  • $6.75 /10pcs+
  • $6.38 /20pcs+
  • $6.00 /50pcs+

The Grove - Gas Sensor module is useful for gas leakage detecting(in home and industry). It can detect LPG, i-butane, methane, alcohol, Hydrogen, somke and so on. Measurements can be taken as soon as possible based on its fast response time. Also the sensitivity can be adjusted by the potentiometer.

Each Grove - Gas Sensor Kit consists of one gas sensor base and four detectors, including MQ2, MQ3, MQ5 and MQ9. Below is a contrast table of them. You can switch the detector on the base according to specific target gases.

Detect Gas

Combustible Gas, Smoke

Alcohol VaporLPG, Natural Gas, Town GasCarbon Monoxide, Coal Gas, Liquefied Gas
Concentration300-10000ppm0.04-4mg/L Alcohol300-10000ppm10-1000ppmCO;100-10000PPm Gas


  • High sensitivity to Combustible gas in wide range

  • Stable performance, long life, low cost

  • Fast response

  • Wide detection range

  • Simple drive circuit


Hot-swapping the grove may lead to IC burnout, please turn off the power of main board before swapping grove.

Technical details

Dimensions 40mm x20mm x18mm
Weight G.W 17g
Battery Exclude

Part List

Grove - Gas Sensor(MQ9) 1
Grove Cable 1


ECCN 2B351
HSCODE 9027900000
USHSCODE 90230000
UPC 841454108320

Grove - Gas Sensor(MQ9)

Wiki of Grove - Gas Sensor(MQ9)

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