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How to choose A Gas Sensor

If you search"gas sensor"on www.seeedstudio.com , you can find a lot of gas sensor. We know that the air component is diverse, and a certain gas sensor can detect one or more air components, so we designed a series of gas sensor.

There are about 10 kind of gas sensor for sale. They have similar name, it's likely to cause confusion. Hope that through the following presentation, we can help you to choose the appropriate gas sensor easily. 

It's obvious that different sensor can detect the same gas. Such as MQ-2, MQ-3, MQ-5, Alcohol Sensor, Grove – HCHO Sensor can detect Alcohol. So if you want an alcohol sensor, then which on should you chosen? Although most of the above sensors are able to detect Alcohol, but you should know that they have different range to Alcohol. 


GasRangePriceProduct NameSKU
CO200 ~ 10000 ppm$6.9Grove - Gas Sensor (MQ2)101020055
0.05 ~ 10 ppm$6.9Grove - Gas Sensor (MQ3)101020006
200 ~ 10000 ppm$6.9Grove - Gas Sensor (MQ5)101020056
20 ~ 200 ppm$7.5Grove - Gas Sensor (MQ9)101020045
0 ~ 1000 ppm$39.9Grove - Multichannel Gas Sensor101020088
Alcohol100 ~ 2000 ppm$6.9Grove - Gas Sensor (MQ2)101020055
0.05 ~ 10 ppm ppm$6.9Grove - Gas Sensor (MQ3)101020006
200 ~ 10000 ppm$6.9Grove - Gas Sensor (MQ5)101020056
20 ~ 1000 ppm$7.9Grove - Alcohol Sensor101020044
10 ~ 500 ppm$39.9Grove - Multichannel Gas Sensor101020088
Propane> 1000 ppm$39.9Grove - Multichannel Gas Sensor101020088
200 ~ 5000 ppm$6.9Grove - Gas Sensor (MQ2)101020055
CH45000 ~ 20000 ppm$6.9Grove - Gas Sensor (MQ2)101020055
0.05 ~ 10 ppm$6.9Grove - Gas Sensor (MQ3)101020006
200 ~ 10000 ppm$6.9Grove - Gas Sensor (MQ5)101020056
500 ~ 10000 ppm$7.5Grove - Gas Sensor (MQ9)101020044
>1000 ppm$39.9Grove - Multichannel Gas Sensor101020088
O20 ~ 25% VOL$59Grove - Gas Sensor (O2)101020002
HCHO5 ~ 40 ppm$14.9Grove - HCHO Sensor101020001
Dust0 ~ 8000 pcs/0.01cf$15.9Grove - Dust Sensor101020012
LPG200 ~ 5000 ppm$6.9Grove - Gas Sensor (MQ2)101020055
0.05 ~ 10 ppm$6.9Grove - Gas Sensor (MQ3)101020006
20 ~ 10000 ppm$6.9Grove - Gas Sensor (MQ5)101020056
500 ~ 10000 ppm$7.5Grove - Gas Sensor (MQ9)101020045
Butane3000 ~ 5000 ppm$6.9Grove - Gas Sensor (MQ2)101020055
Hexane0.05 ~ 10 ppm$6.9Grove - Gas Sensor (MQ3)101020006
Benzine0.05 ~ 10 ppm$6.9Grove - Gas Sensor (MQ3)101020006
Smoke200 ~ 10000 ppm$6.9Grove - Gas Sensor (MQ2)101020055
NO20.05 ~ 10 ppm$39.9Grove - Multichannel Gas Sensor101020088
H2300 ~ 5000 ppm$6.9Grove - Gas Sensor (MQ2)101020055
200 ~ 10000 ppm$6.9Grove - Gas Sensor (MQ5)101020056
1 ~ 1000 ppm$39.9Grove - Multichannel Gas Sensor101020088
NH31 ~ 500 ppm$39.9Grove - Multichannel Gas Sensor101020088
Iso-butane> 1000 ppm$39.9Grove - Multichannel Gas Sensor101020088
CO20 ~ 2000 ppm$99.9Grove - CO2101020067


And sometimes, we want to test many gases in one sensor, so how should we choose it ? 

GasSKUPriceMeasurable GasesRange
Grove - Multichannel Gas Sensor101020088$39.9CO0 ~ 1000 ppm
Alcohol10 ~ 500 ppm
CH4> 1000 ppm
Propane> 1000 ppm
NO20.05 ~ 10 ppm
NH31 ~ 500 ppm
Iso-butane> 1000 ppm
H21 ~ 1000 ppm
Grove - Gas Sensor (MQ2)101020055$6.9CO200 ~ 10000 ppm
Alcohol100 ~ 2000 ppm
CH45000 ~ 20000 ppm
Propane200 ~ 5000 ppm
LPG200 ~ 5000 ppm
Butane3000 ~ 5000 ppm
Smoke200 ~ 10000 ppm
H2300 ~ 5000 ppm
Grove - Gas Sensor (MQ3)101020006$6.9CO0.05 ~ 10 ppm
Alcohol0.05 ~ 10 ppm
CH40.05 ~ 10 ppm
Hexane0.05 ~ 10 ppm
LPG0.05 ~ 10 ppm
Benzine0.05 ~ 10 ppm
Grove - Gas Sensor (MQ5)101020056$6.9CO200 ~ 10000 ppm
Alcohol200 ~ 10000 ppm
CH4200 ~ 10000 ppm
LPG200 ~ 10000 ppm
H2200 ~ 10000 ppm
Grove - Gas Sensor (MQ9)101020045$7.5CO20 ~ 2000 ppm
CH4500 ~ 10000 ppm
LPG500 ~ 10000 ppm
Grove - Dust Sensor101020012$15.9Dust0 ~ 8000 pcs/0.01cf
Grove - Alcohol Sensor101020044$7.9Alcohol20 ~ 1000 ppm
Grove - Gas Sensor (O2)101020002$59O20 ~ 25% VOL
Grove - HCHO Sensor101020001$14.9HCHO5 ~ 40 ppm
Grove - CO2101020067$99.9CO20 ~ 2000 ppm


Choose the one you needed! 


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BerlinaJul 15,2016 15:23 PMAdd Comment

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