MQ135 MQ-135 Air Quality Sensor Hazardous Gas Detection

MQ135 MQ-135 Air Quality Sensor Hazardous Gas Detection Module For Arduino

Main chip: LM393, MQ-135 gas sensor

Operating voltage: DC 5V

With signal output indicator instructions.

Dual signal output:

• Analog output
• TTL level output

Details of output:

• TTL output valid signal is low level (output low signal light, which can be accessed microcontroller IO port).
• Analog output: with increasing concentration, the higher the concentration, the higher the voltage.

Features:

• High sensitivity and good selectivity for Sulfide, benzene Department of steam, smoke and other harmful gases.
• Long service life and reliable stability.
• Rapid response and recovery characteristics.

Size: 36mm X 24mm X 25mm (L * W * H)

Applications:

• A hazardous gas detection apparatus for the family, the environment.
• Suitable for ammonia, aromatic compounds, sulfur, benzene vapor, smoke and other harmful gases detection.

Gas-sensitive element test concentration range: 10 to 1000ppm

Island-wide delivery

Best price