MQ137 Ammonia Gas Sensor Module 41F Hall Effect Sensor price in pakistan USB powered — plug into

USB powered — plug into any USB port or power bank

Single pulse avalanche energy rated

and detailed soldering tasks

offering seamless integration and an efficient platform for controlling various CNC machines

improving switching efficiency compared to conventional punch-through IGBTs

MQ137 Ammonia Gas Sensor Module 41F Hall Effect Sensor price in pakistan USB powered — plug intoMQ137 Ammonia Gas Sensor Module NH3 Detection The MQ137 is a semiconductor gas sensor designed to detect ammonia (NH3) a colorless, pungent gas commonly found in fertilizers, refrigeration systems, and industrial processes. It uses a SnO2 sensing element whose resistance changes in the presence of NH3. With analog and digital outputs, it is ideal for air quality monitoring, agricultural environments, and industrial safety systems using Arduino or