DESCRIPTION
The MQ-136 is a Hydrogen Sulfide detection sensor with a sensing range of 1 – 200ppm. The sensing element is SnO2, which has lower conductivity in clean air. When H₂S gas exists, the sensor’s conductivity gets higher along with the gas concentration rising. A simple circuit makes measuring this change in conductivity and turning it into data fairly straightforward, but does require some calibration.
Please Note:
- PCB is not included.
RESOURCES
- Datasheet
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