Out of Stock
Hover to zoom
2.3x Zoom
Product Overview & Details
MQ-137 sensor module for detecting Ammonia (NH3) and CO gases
Wide detection range with fast response time under 1 second
Provides both analog and digital outputs for versatile use
Adjustable sensitivity via onboard potentiometer
Operates on standard +5V supply, Arduino compatibl
Ideal for air quality monitoring, leak alarms, and safety systems