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.
| Sysmbol | MQ-2 | MQ-3 | MQ-5 | MQ-9 |
| Detect Gas | Combustible Gas、Smoke | Alcohol Vapor | LPG, Natural Gas, Town Gas | Carbon Monoxide, Coal Gas, Liquefied Gas |
| Detect Concentration | 300-10000ppm | 0.04-4mg/L Alcohol | 300-10000ppm | 10-1000ppmCO;100-10000PPm Gas |
Features
- High sensitivity to Combustible gas in wide range
- Stable performance, long life, low cost
- Fast response
- Wide detection range
- Simple drive circuit
Documents
Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to ourforum.
