HUABAN 1PCS MQ-137 MQ137 Ammonia Detection Sensor NH3 Gas Sensor Module
![]() |
Features MQ-137 Ammonia (NH3) Detection Sensor Heating Voltage: 5 + 0.2V (DC - AC); Loop Voltage: DC5V (maximum 24V DC); Working Voltage: DC 5V;...
The product description is generated based on data from online stores. Before purchasing be sure to verify all information directly with the seller.

Why Smart Homes Still Haven’t Gone MainstreamFragmented standards, complexity and high implementation costs, and other smart home issues.

Useful Gadgets for SeniorsSmart gadgets and medical devices that help monitor the health, well-being, and safety of seniors.
SimilarCompare using chart →












