Smoke Sensor - MQ-2
Product details
| Management number | 205893589 | Release Date | 2025/11/02 | List Price | $16.19 | Model Number | 205893589 | ||
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The MQ-2 is a smoke and combustible gas sensor from Winsen. It can detect flammable gas in a range of 300 - 10000ppm. It's most common use is domestic gas leakage alarms and detectors with a high sensitivity to propane and smoke. The sensing material is SNO‚‚ for which the conductivity is lower in clean environments and higher when smoke or flammable gas is present. A simple circuit makes measuring this change in conductivity and turning it into data fairly straight-forward, but does require some calibration.
For easy Solderability; use our [Gas Sensor Breakout Board](https://www.sparkfun.com/products/8891).
**Documents:**
* [Datasheet](https://cdn.sparkfun.com/assets/3/b/0/6/d/MQ-2.pdf)
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