The MQ-138 Gas Sensor is a versatile and high-sensitivity module designed to detect multiple gases, including benzene, toluene, alcohol, propane, formaldehyde, and hydrogen. This sensor is ideal for a variety of applications such as air quality monitoring, gas leakage detection, and industrial safety. It features a quick response time and stable performance, making it reliable for continuous use.

The MQ-138 provides an analog output signal that is proportional to the concentration of the detected gas, which can be easily integrated with microcontrollers and other electronic devices. Its compact design allows for easy installation in different setups, while the adjustable sensitivity ensures precise gas concentration measurements. Additionally, the sensor’s low power consumption makes it suitable for battery-operated devices, and its durable construction ensures a long operational life.

Specification

• Versatile Detection: Capable of detecting multiple gases including benzene, toluene, alcohol, propane, formaldehyde, and hydrogen.
• High Sensitivity: Features high sensitivity and quick response time to the target gases.
• Wide Range of Applications: Ideal for use in air quality monitoring, gas leakage detection, and industrial safety applications.
• Stable Performance: Provides stable and reliable performance over a long period.
• Easy Integration: Simple to integrate with microcontrollers and other electronic projects.